SR431K14DS40F - WALSIN TECHNOLOGY

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Subject Page

Metal Oxide Varistor (MOV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Varistors-5D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Varistors-7D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Varistors-10D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Varistors-14D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Varistors-20D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Varistors-25D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Varistors-5E、7E Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Varistors-10E、14E Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Varistors-18E、20E Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

V-I Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Packing Specification (5Ø - 25Ø Series) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Taping Specifications - 5Ø and 7Ø . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Taping Specifications - 10Ø and 14Ø . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Taping Specifications - 18Ø and 20Ø . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Big Size Varistor - 32D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Big Size Varistor - 34mm Single Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Big Size Varistor - 34mm Dual Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Big Size Varistor - 40D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Big Size Varistor - 53D Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

V-I Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table of Contents

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Metal Oxide Varistor (MOV)

■HOW TO ORDER

SR 241 K 10 D S 40 X

Type code

SR:

Walsin Varistor

Varistor Voltage

(DC volt)

(From 180 to 112)

Two significant digits

Followed by no. of

zeros

180=18volt

101=100volt

102=1000volt

Tolerance

J:+/-5%

K:+/-10%

Disk Size Code

05 : 5mm

07 : 7mm

10 : 10mm

14 : 14mm

18 : 18mm

20 : 20mm

25 : 25mm

Disk Type

D : Standard disk

type

E : High energy

disk type

Lead Type or Taping Code

For bulk packing:

S : Straight Lead

L : Inline Crimped

O : Outward Crimped

I : Inward Crimped

T**: Taping Code

Please refer to page 15~18

for taping details.

Lead Cutting

Lead Cutting for

Bulk Packing:

40=4.0±1.0mm

65=6.5±1.0mm

P1=11±1.0mm

No code ≥

25mm

Special Request

Special lead

cutting tolerance

Special lead

spacing (Please

see below)

Special varistor

voltage

range...etc

* If customers have no special request on lead shape, we provide straight lead for voltage type ≤ 471K and in-line crimped lead for voltage type ≥ 511K.

■VARISTOR SPECIAL REQUEST

F: 0.5mm lead length tolerance for short lead cutting (exclude straight

lead)

X: 7.5mm lead spacing for 20D and 20E (lead wire is 0.8mm diameter)

Z: 5mm lead spacing for 10D(E), 14D(E)

H: Special request

■VARISTOR PART NUMBER EXAMPLES :

Ex.1. SR241K07DT14: 7mm, 241K, inward crimped lead and reel

taped.

Ex.2. SR361K10DI45: 10mm, 361K, bulk packing, inward crimped lead,

lead cutting length 4.5 ±1.0mm

Ex.3. SR621K20EOP2: 20mm, 621K, high energy, bulk, outward

crimped lead, lead spacing 12mm±1.0mm.

Ex.4. SR271K20DO65X: 20mm, 271K, bulk, outward crimped lead,

lead spacing 7.5 mm, lead cutting 6.5 ± 1.0mm

Ex.5. SR241K10DS40F: 10mm, 241K, bulk, straight lead, lead cutting

4.0 ± 0.5mm.

■DIMENSIONS QUICK REFERENCE : If specific item’s dimensions, please contact sales

Series 5D,5E 7D,7E 10D,10E 14D,14E 18E 20D,20E 25D

Dmax 7.0 9.5 14.0 17.5 21.0 24.0 28.5

d* 0.6 0.6 0.8 0.8 0.8 1.0 1.0

W** 5.0 5.0 7.5 7.5 7.5 10.0 12.7

Hmax 12.5 14.5 20.0 22.5 27.5 29.5 36.5

H1max 10.0 12.0 17.0 20.5 24.0 28.0 34.0

Tmax 4.9 4.9 8.5 8.5 9.0 9.0 9.5

* ±0.02 ** ±1.0 (Unit: mm)

Inward Crimped Straight Lead

Outward Crimped Inline Crimped

Remark:

The lead length (L) is 25mm

minimum unless requested by

customers; please refer to lead

cutting code in “How to Order”.

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Metal Oxide Varistor (MOV)

■CHARACTERISTICS

High performance transient voltage suppression

Short response time to surge voltage

Low standby power dissipation

Excellent clamping characteristics

High performance withstanding surge currents

High reliability

UL, CSA, VDE and CQC recognized

■APPLICATIONS

Surge protection in:

Consumer electronics

Industrial electronics

Communication electronics

Measuring and controlling systems

Electronic home appliances

Protection against surges induced by lighting striking incoming

power lines.

Suppression of surges caused by switching inductive loads such

as transformers, relays and coils.

Protection of rectification diodes, SCRs, power transistors,

semiconductor devices, etc.

■DEFINITION OF VARISTOR TERMS

Rated RMS Voltage, Rated DC Voltage :

The maximum designated values of power system voltage

that may be applied continuously between the terminals of a

device.

Varistor Voltage :

Test characteristic that is used to classify varistors by type.

A test current of 1mA DC is typically used to determine

varistor voltage classification type. Varistor voltage clamping

characteristics can be defined at various test levels.

Rated Peak Single Pulse Transient Current :

Maximum surge current, 8/20 µs waveform which a varistor is

rated to withstand for a single surge.

Rated Single Pulse Transient Energy :

Maximum allowable energy for a single impulse (see specified

waveforms).

Maximum Clamping Voltage :

Measured peak voltage across the device terminals when

a current impulse of specified amplitude and waveform is

conducted through the varistor.

Typical Capacitance :

Typical capacitance values are measured at a test frequency

of 1kHz. Capacitance values are only for reference purpose

only, not subject to outgoing inspection.

■GENERAL CHARACTERISTICS

Storage Temperature : –55˚C to +125˚C

Operating Surface Temperature : 125˚C

Operating Ambient Temperature : –55˚C to +85˚C (without

derating)

Maximum Voltage-Temperature Coefficient : < –0.05% / ˚C

Insulation Resistance : 1000 Mega-ohm minimum

Hi Pot (Leads To Case, 1 Min.) : 2500 VDC

Typical Response Time : <15 Nero-seconds

Epoxy Rating : 94V-0

Current / Energy Derating (>85˚C ) : –2.5% / ˚C

DC Leakage Current : 200µA maximum (at rated DC working

voltage )

Solderability : MIL-STD-202F

Power Dissipation Ratings(P, in-watts) :

Disc Size 11Vac~40Vac 50Vac~680Vac

5mm 0.01 0.15

7mm 0.02 0.25

10mm 0.05 0.4

14mm 0.1 0.6

18mm — 0.8

20mm 0.2 1.0

25mm — 1.2

32mm — 1.6

34mm(single) — 2.1

34mm(dual) — 2.73

40mm — 2.1

53mm — 2.5

All definitions are according to IEEE specifications C62.33.

■ENERGY DERATING VERSUS TEMPERATURE ■PEAK CURRENT PER PULSE VERSUS PULSE

DURATION

Number of

Pulses on Order

From 100 %

Respectively :

1 Pulse

10 Pulses

102 Pulses

103 Pulses

104 Pulses

105 Pulses

106 Pulses

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Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 180K05D □□ 11 14 16 20 100 36 1 0.4 0.6 1500 ○△ ◇

SR 220K05D □□ 14 18 20 24 100 43 1 0.6 0.8 1260 ○△ ◇

SR 270K05D □□ 17 22 24 30 100 53 1 0.7 0.9 1050 ○△ ◇

SR 330K05D □□ 20 26 30 36 100 65 1 0.9 1.2 850 ○△ ◇

SR 390K05D □□ 25 31 35 43 100 77 1 1.1 1.3 600 ○△ ◇

SR 470K05D □□ 30 38 42 52 100 93 1 1.4 1.6 500 ○△ ◇

SR 560K05D □□ 35 45 50 62 100 110 1 1.5 1.9 400 ○△ ◇

SR 680K05D □□ 40 56 61 75 100 135 1 1.8 2.3 360 ○△ ◇

SR 820K05D □□ 50 66 74 90 400 135 5 2.4 3.0 350 ○△ ◇

SR 101K05D □□ 60 85 90 110 400 165 5 2.4 3.5 320 ○△ ◇

SR 121K05D □□ 75 102 108 132 400 200 5 3.0 5.0 250 ○△ ◇

SR 151K05D □□ 95 127 135 165 400 250 5 3.5 5.5 180 ○△ ◇

SR 181K05D □□ 120 160 170 207 400 320 5 4.2 8.0 155 ○△ ☆◇

SR 201K05D □□ 130 175 185 225 400 340 5 5.0 8.5 140 ○△□☆◇

SR 221K05D □□ 140 180 198 242 400 360 5 6.0 9.0 125 ○△□☆◇

SR 241K05D □□ 150 200 216 264 400 395 5 6.5 10.0 115 ○△□☆◇

SR 271K05D □□ 180 230 255 311 400 475 5 7.5 11.0 105 ○△□☆◇

SR 301K05D □□ 195 250 270 330 400 525 5 8.0 11.5 95 ○△□☆◇

SR 331K05D □□ 210 275 297 363 400 540 5 8.5 11.7 85 ○△□☆◇

SR 361K05D □□ 230 300 324 396 400 595 5 9.0 13.0 80 ○△□☆◇

SR 391K05D □□ 250 330 351 429 400 650 5 10 15 75 ○△□☆◇

SR 431K05D □□ 275 370 387 473 400 710 5 11 16 65 ○△□☆◇

SR 471K05D □□ 300 385 423 517 400 775 5 13 19 55 ○△□☆◇

SR 511K05D □□ 320 420 459 561 400 865 5 15 21 39 ○△□

SR 561K05D □□ 360 470 522 638 400 960 5 17 25 36 ○△□☆

SR 621K05D □□ 390 505 558 682 400 1040 5 19 27 33 ○△□☆

SR 681K05D □□ 420 560 612 748 400 1120 5 21 30 30 ○△□☆

Varistors

5D Series

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010926).

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Varistors

7D Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 180K07D □□ 11 14 16 20 250 36 2.5 0.8 1.0 2900 ○△ ◇

SR 220K07D □□ 14 18 20 24 250 43 2.5 0.9 1.3 2400 ○△ ◇

SR 270K07D □□ 17 22 24 30 250 53 2.5 1.0 1.4 1800 ○△ ◇

SR 330K07D □□ 20 26 30 36 250 65 2.5 1.2 1.7 1500 ○△ ◇

SR 390K07D □□ 25 31 35 43 250 77 2.5 1.5 2.1 1230 ○△ ◇

SR 470K07D □□ 30 38 42 52 250 93 2.5 1.8 2.5 950 ○△ ◇

SR 560K07D □□ 35 45 50 62 250 110 2.5 2.2 3.1 890 ○△ ◇

SR 680K07D □□ 40 56 61 75 250 135 2.5 2.5 3.8 850 ○△ ◇

SR 820K07D □□ 50 66 74 90 1200 135 10 3.5 5.5 830 ○△ ◇

SR 101K07D □□ 60 85 90 110 1200 165 10 4.0 6.5 730 ○△ ◇

SR 121K07D □□ 75 102 108 132 1200 200 10 5.0 7.8 570 ○△ ◇

SR 151K07D □□ 95 127 135 165 1200 250 10 6.5 9.7 400 ○△ ◇

SR 181K07D □□ 120 160 170 207 1200 300 10 8.8 12.0 305 ○ △ ☆◇

SR 201K07D □□ 130 175 185 225 1200 340 10 10.0 13.0 275 ○△□☆◇

SR 221K07D □□ 140 180 198 242 1200 360 10 11.0 14.0 250 ○△□☆◇

SR 241K07D □□ 150 200 216 264 1200 395 10 11.0 16.0 230 ○△□☆◇

SR 271K07D □□ 180 230 255 311 1200 455 10 12.0 18.0 205 ○△□☆◇

SR 301K07D □□ 195 250 270 330 1200 505 10 13.0 19.0 185 ○△□☆◇

SR 331K07D □□ 210 275 297 363 1200 540 10 14.0 20.0 170 ○△□☆◇

SR 361K07D □□ 230 300 324 396 1200 595 10 15.0 25.0 155 ○△□☆◇

SR 391K07D □□ 250 330 351 429 1200 650 10 17.0 26.0 145 ○△□☆◇

SR 431K07D □□ 275 370 387 473 1200 710 10 20.0 28.0 130 ○△□☆◇

SR 471K07D □□ 300 385 423 517 1200 775 10 21.0 30.0 115 ○△□☆◇

SR 511K07D □□ 320 420 459 561 1200 850 10 23.0 32.0 88 ○△□☆◇

SR 561K07D □□ 360 470 522 638 1200 960 10 27.0 39.0 85 ○△□☆◇

SR 621K07D □□ 390 505 558 682 1200 1040 10 29.0 43.0 82 ○△□☆◇

SR 681K07D □□ 420 560 612 748 1200 1120 10 32.0 45.0 78 ○△□☆◇

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010927).

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Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 180K10D □□ 11 14 16 20 500 36 5 1.5 2.1 6000 ○△ ◇

SR 220K10D □□ 14 18 20 24 500 43 5 2.0 2.5 5000 ○△ ◇

SR 270K10D □□ 17 22 24 30 500 53 5 2.5 3.0 4000 ○△ ◇

SR 330K10D □□ 20 26 30 36 500 65 5 3.0 4.0 3500 ○△ ◇

SR 390K10D □□ 25 31 35 43 500 77 5 3.5 4.6 3100 ○△ ◇

SR 470K10D □□ 30 38 42 52 500 93 5 4.5 5.5 2800 ○△ ◇

SR 560K10D □□ 35 45 50 62 500 110 5 5.5 7.0 2400 ○△ ◇

SR 680K10D □□ 40 56 61 75 500 135 5 6.5 8.2 2100 ○△ ◇

SR 820K10D □□ 50 66 74 90 2500 135 25 8.0 12.0 1600 ○△ ◇

SR 101K10D □□ 60 85 90 110 2500 165 25 10.0 15.0 1400 ○△ ◇

SR 121K10D □□ 75 102 108 132 2500 200 25 12.0 18.0 1200 ○△ ◇

SR 151K10D □□ 95 127 135 165 2500 250 25 16.0 22.0 1100 ○△ ◇

SR 181K10D □□ 120 160 170 207 2500 300 25 18.5 27.5 700 ○△ ☆◇

SR 201K10D □□ 130 175 185 225 2500 340 25 20.0 30.0 640 ○△□☆◇

SR 221K10D □□ 140 180 198 242 2500 360 25 23.0 32.0 600 ○△□☆◇

SR 241K10D □□ 150 200 216 264 2500 395 25 25.0 35.0 560 ○△□☆◇

SR 271K10D □□ 180 230 255 311 2500 455 25 30.0 40.0 500 ○△□☆◇

SR 301K10D □□ 195 250 270 330 2500 505 25 32.0 42.5 450 ○△□☆◇

SR 331K10D □□ 210 275 297 363 2500 540 25 33.5 44.5 415 ○△□☆◇

SR 361K10D □□ 230 300 324 396 2500 595 25 35.0 47.0 380 ○△□☆◇

SR 391K10D □□ 250 330 351 429 2500 650 25 40.0 60.0 350 ○△□☆◇

SR 431K10D □□ 275 370 387 473 2500 710 25 45.0 65.0 310 ○△□☆◇

SR 471K10D □□ 300 385 423 517 2500 775 25 46.0 70.0 280 ○△□☆◇

SR 511K10D □□ 320 420 459 561 2500 840 25 47.0 71.0 260 ○△□☆◇

SR 561K10D □□ 360 470 522 638 2500 910 25 48.0 72.0 240 ○△□☆◇

SR 621K10D □□ 390 505 558 682 2500 1025 25 49.0 73.0 150 ○△□☆◇

SR 681K10D □□ 420 560 612 748 2500 1120 25 50.0 74.0 130 ○△□☆◇

SR 751K10D □□ 460 615 675 825 2500 1240 25 51.0 75.0 120 ○△□☆◇

SR 781K10D □□ 485 640 702 858 2500 1290 25 52.0 80.0 120 ○△□☆◇

SR 821K10D □□ 510 675 738 902 2500 1350 25 55.0 85.0 110 ○△□☆◇

SR 911K10D □□ 550 745 819 1001 2500 1400 25 60.0 93.0 90 ○ □ ☆ ◇

SR 102K10D □□ 625 825 900 1100 2500 1650 25 65.0 102 80 ○ □☆ ◇

SR 112K10D □□ 680 895 962 1175 2500 1815 25 70.0 115 70 ○ □☆ ◇

Varistors

10D Series

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010928).

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Varistors

14D Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 180K14D □□ 11 14 16 20 1000 36 10 3.5 4.0 15000 ○△ ◇

SR 220K14D □□ 14 18 20 24 1000 43 10 4.0 5.0 12000 ○△ ◇

SR 270K14D □□ 17 22 24 30 1000 53 10 5.0 6.0 8500 ○△ ◇

SR 330K14D □□ 20 26 30 36 1000 65 10 6.0 7.5 7200 ○△ ◇

SR 390K14D □□ 25 31 35 43 1000 77 10 7.0 8.6 6300 ○△ ◇

SR 470K14D □□ 30 38 42 52 1000 93 10 8.5 10.0 5500 ○△ ◇

SR 560K14D □□ 35 45 50 62 1000 110 10 10.0 11.0 4800 ○△ ◇

SR 680K14D □□ 40 56 61 75 1000 135 10 12.0 14.0 4000 ○△ ◇

SR 820K14D □□ 50 66 74 90 4500 135 50 15.0 22.0 3300 ○△ ◇

SR 101K14D □□ 60 85 90 110 4500 165 50 20.0 30.0 2900 ○△ ◇

SR 121K14D □□ 75 102 108 132 4500 200 50 22.0 34.0 2600 ○ ◇

SR 151K14D □□ 95 127 135 165 4500 250 50 30.0 45.0 2000 ○△ ◇

SR 181K14D □□ 120 160 170 207 4500 300 50 33 53.0 1400 ○ △ ☆◇

SR 201K14D □□ 130 175 185 225 4500 340 50 38 60.0 1370 ○△□☆◇

SR 221K14D □□ 140 180 198 242 4500 360 50 40 60.0 1150 ○△□☆◇

SR 241K14D □□ 150 200 216 264 4500 395 50 45 66.0 1060 ○△□☆◇

SR 271K14D □□ 180 230 255 311 4500 455 50 52 72.0 950 ○△□☆◇

SR 301K14D □□ 195 250 270 330 4500 505 50 56 78.0 890 ○△□☆◇

SR 331K14D □□ 210 275 297 363 4500 545 50 63 87.0 800 ○△□☆◇

SR 361K14D □□ 230 300 324 396 4500 595 50 70 98.0 725 ○△□☆◇

SR 391K14D □□ 250 330 351 429 4500 650 50 72 102 665 ○△□☆◇

SR 431K14D □□ 275 370 387 473 4500 710 50 75 115 600 ○△□☆◇

SR 471K14D □□ 300 385 423 517 4500 775 50 80 125 570 ○△□☆◇

SR 511K14D □□ 320 420 459 561 4500 840 50 82 128 530 ○△□☆◇

SR 561K14D □□ 360 470 522 638 4500 910 50 85 139 480 ○△□☆◇

SR 621K14D □□ 390 505 558 682 4500 1025 50 88 142 270 ○△□☆◇

SR 681K14D □□ 420 560 612 748 4500 1120 50 90 142 240 ○△□☆◇

SR 751K14D □□ 460 615 675 825 4500 1240 50 100 143 210 ○△□☆◇

SR 781K14D □□ 485 640 702 858 4500 1290 50 105 148 205 ○△□☆◇

SR 821K14D □□ 510 675 738 902 4500 1350 50 110 157 200 ○△□☆◇

SR 911K14D □□ 550 745 819 1001 4500 1400 50 120 175 175 ○ □☆◇

SR 102K14D □□ 625 825 900 1100 4500 1620 50 130 190 145 ○ □☆◇

SR 112K14D □□ 680 895 962 1175 4500 1800 50 140 215 140 ○ □☆◇

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010929).

www.passivecomponent.com

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 180K20D □□ 11 14 16 20 2000 36 20 10 12 27000 ○△ ◇

SR 220K20D □□ 14 18 20 24 2000 43 20 13 15 20000 ○△ ◇

SR 270K20D □□ 17 22 24 30 2000 53 20 15 17 15000 ○△ ◇

SR 330K20D □□ 20 26 30 36 2000 65 20 22 22 12200 ○△ ◇

SR 390K20D □□ 25 31 35 43 2000 77 20 24 26 10000 ○△ ◇

SR 470K20D □□ 30 38 42 52 2000 93 20 30 33 9350 ○△ ◇

SR 560K20D □□ 35 45 50 62 2000 110 20 35 38 8000 ○△ ◇

SR 680K20D □□ 40 56 61 75 2000 135 20 40 43 6800 ○△ ◇

SR 820K20D □□ 50 66 74 90 6500 135 100 37 48 5600 ○△ ◇

SR 101K20D □□ 60 85 90 110 6500 165 100 38 50 4700 ○△ ◇

SR 121K20D □□ 75 102 108 132 6500 200 100 40 55 4100 ○△ ◇

SR 151K20D □□ 95 127 135 165 6500 250 100 50 70 3200 ○△ ◇

SR 181K20D □□ 120 160 170 207 6500 300 100 60 85 2500 ○△ ☆◇

SR 201K20D □□ 130 175 185 225 6500 340 100 70 95 2200 ○△□☆◇

SR 221K20D □□ 140 180 198 242 6500 360 100 75 100 2000 ○△□☆◇

SR 241K20D □□ 150 200 216 264 6500 395 100 82 110 1900 ○△□☆◇

SR 271K20D □□ 180 230 255 311 6500 455 100 90 127 1700 ○△□☆◇

SR 301K20D □□ 195 250 270 330 6500 505 100 100 135 1540 ○△□☆◇

SR 331K20D □□ 210 275 297 363 6500 545 100 110 148 1400 ○△□☆◇

SR 361K20D □□ 230 300 324 396 6500 595 100 120 163 1320 ○△□☆◇

SR 391K20D □□ 250 330 351 429 6500 650 100 130 180 1210 ○△□☆◇

SR 431K20D □□ 275 370 387 473 6500 710 100 140 190 1120 ○△□☆◇

SR 471K20D □□ 300 385 423 517 6500 775 100 150 220 1000 ○△□☆◇

SR 511K20D □□ 320 420 459 561 6500 840 100 152 222 950 ○△□☆◇

SR 561K20D □□ 360 470 522 638 6500 910 100 154 226 900 ○△□☆◇

SR 621K20D □□ 390 505 558 682 6500 1025 100 158 228 770 ○△□☆◇

SR 681K20D □□ 420 560 612 748 6500 1120 100 160 230 700 ○△□☆◇

SR 751K20D □□ 460 615 675 825 6500 1240 100 175 255 640 ○△□☆◇

SR 781K20D □□ 485 640 702 858 6500 1290 100 180 265 590 ○△□☆◇

SR 821K20D □□ 510 675 738 902 6500 1350 100 190 282 510 ○△□☆◇

SR 911K20D □□ 550 745 819 1001 6500 1400 100 215 310 430 ○ □☆◇

SR 102K20D □□ 625 825 900 1100 6500 1620 100 230 342 380 ○ □☆◇

SR 112K20D □□ 680 895 962 1175 6500 1800 100 250 383 340 ○ □☆◇

Varistors

20D Series

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010931).

www.passivecomponent.com

Varistors

25D Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 2ms 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 181K25D □□ 120 160 170 207 18000 300 100 90 180 3900 ○ ☆

SR 201K25D □□ 130 175 185 225 18000 340 100 100 200 3600 ○ ☆

SR 221K25D □□ 140 180 198 242 18000 360 100 105 225 3300 ○ ☆

SR 241K25D □□ 150 200 216 264 18000 395 100 110 235 3050 ○ ☆

SR 271K25D □□ 180 230 255 311 18000 455 100 120 245 2600 ○ ☆

SR 301K25D □□ 195 250 270 330 18000 505 100 125 255 2400 ○ ☆

SR 331K25D □□ 210 275 297 363 18000 545 100 130 270 2200 ○ ☆

SR 361K25D □□ 230 300 324 396 18000 595 100 160 315 2050 ○ ☆

SR 391K25D □□ 250 330 351 429 18000 650 100 175 342 1900 ○ ☆

SR 431K25D □□ 275 370 387 473 18000 710 100 190 370 1700 ○ ☆

SR 471K25D □□ 300 385 423 517 18000 775 100 200 390 1600 ○ ☆

SR 511K25D □□ 320 420 459 561 18000 840 100 210 422 1400 ○ ☆

SR 561K25D □□ 360 470 522 638 18000 910 100 215 460 1200 ○ ☆

SR 621K25D □□ 390 505 558 682 18000 1025 100 225 495 1800 ○ ☆

SR 681K25D □□ 420 560 612 748 18000 1120 100 230 515 1100 ○ ☆

SR 751K25D □□ 460 615 675 825 18000 1240 100 250 530 1000 ○ ☆

SR 781K25D □□ 485 640 702 858 18000 1290 100 260 540 980 ○ ☆

SR 821K25D □□ 510 675 738 902 18000 1350 100 270 550 920 ○ ☆

SR 911K25D □□ 550 745 819 1001 18000 1400 100 300 600 880 ○ ☆

SR 102K25D □□ 625 825 900 1100 18000 1620 100 340 630 760 ○ ☆

SR 112K25D □□ 680 895 962 1175 18000 1800 100 390 700 650 ○ ☆

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (File # LR109496-1 and LR109496-4).

(5) ◇ : VDE/CECC 42000/42200/42201, IEC 61051-1/61051-2/61051-2-2 (Certificate # 5932, 40010090, 40003435).

(6) CQC recognized for all part numbers (CQC04001010932).

www.passivecomponent.com

Varistors

5E Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K05E □□ 50 66 74 90 800 135 5 3.5 355 ○△

SR 181K05E □□ 120 160 170 207 800 320 5 8.0 130 ○

SR 201K05E □□ 130 175 185 225 800 340 5 8.5 120 ○△□☆

SR 221K05E □□ 140 180 198 242 800 360 5 9.0 110 ○△□☆

SR 241K05E □□ 150 200 216 264 800 395 5 10.5 100 ○△□☆

SR 271K05E □□ 180 230 255 311 800 475 5 11.0 90 ○△□☆

SR 301K05E □□ 195 250 270 330 800 525 5 12.0 84 □

SR 331K05E □□ 210 275 297 363 800 540 5 13.0 75 ○△□☆

SR 361K05E □□ 230 300 324 396 800 595 5 16.0 69 ○ □☆

SR 391K05E □□ 250 330 351 429 800 650 5 17.0 63 ○ □☆

SR 431K05E □□ 275 370 387 473 800 710 5 20.0 57 ○ □☆

SR 471K05E □□ 300 385 423 517 800 775 5 21.0 50 ○△□☆

SR 511K05E □□ 320 420 459 561 800 865 5 22.0 35 □

SR 561K05E □□ 360 470 522 638 800 960 5 23.0 32 □

SR 621K05E □□ 390 505 558 682 800 1040 5 25.0 30 □

SR 681K05E □□ 420 560 612 748 800 1120 5 26.0 27 □

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K07E □□ 50 66 74 90 1750 135 10 7.0 790 ○△ ◇

SR 181K07E □□ 120 160 170 207 1750 320 10 16.0 210 ○ ◇

SR 201K07E □□ 130 175 185 225 1750 340 10 17.5 200 ○△□☆◇

SR 221K07E □□ 140 180 198 242 1750 360 10 19.0 190 ○△□☆◇

SR 241K07E □□ 150 200 216 264 1750 395 10 21.0 170 ○△□☆◇

SR 271K07E □□ 180 230 255 311 1750 475 10 24.0 150 ○△□☆◇

SR 301K07E □□ 195 250 270 330 1750 525 10 26.0 140 □ ◇

SR 331K07E □□ 210 275 297 363 1750 540 10 28.0 130 ○△□☆◇

SR 361K07E □□ 230 300 324 396 1750 595 10 32.0 123 ○ □ ☆ ◇

SR 391K07E □□ 250 330 351 429 1750 650 10 35.0 116 ○ □☆◇

SR 431K07E □□ 275 370 387 473 1750 710 10 40.0 108 ○ □ ☆ ◇

SR 471K07E □□ 300 385 423 517 1750 775 10 42.0 100 ○△□☆◇

SR 511K07E □□ 320 420 459 561 1750 850 10 46.0 78 □ ◇

SR 561K07E □□ 360 470 522 638 1750 960 10 47.0 75 □ ◇

SR 621K07E □□ 390 505 558 682 1750 1040 10 51.0 72 □ ◇

SR 681K07E □□ 420 560 612 748 1750 1120 10 57.0 69 □ ◇

1. □□: Suffix adding; please refer “How to Order” for details. 2. Safety approval: please refer to “Remark” above.

Remark :

1. □□: Suffix adding; please refer “How to Order” for details.

2. All parts approved as follows:

(1) ○ : UL 1449 recognized (File # E172311).

(2) △ : UL 497B recognized (File # E199593).

(3) □: UL 1414 recognized (File # E182369).

(4) ☆: CSA 22.2 #1 certified (Certificate # 1129226).

(5) ◇ : VDE/CECC 42000/42200/42201 (Certificate # 40003435). VDE approval of 05E and 20E series is pending.

(6) CQC recognized for all E Series (CQC04001010926 ~ CQC04001010932).

www.passivecomponent.com

Varistors

10E Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K10E □□ 50 66 74 90 3500 135 25 14.0 1780 ○△ ◇

SR 181K10E □□ 120 160 170 207 3500 320 25 33.0 460 ○ ◇

SR 201K10E □□ 130 175 185 225 3500 340 25 35.0 430 ○△□☆◇

SR 221K10E □□ 140 180 198 242 3500 360 25 39.0 410 ○△□☆◇

SR 241K10E □□ 150 200 216 264 3500 395 25 42.0 380 ○△□☆◇

SR 271K10E □□ 180 230 255 311 3500 450 25 49.0 350 ○△□☆◇

SR 301K10E □□ 195 250 270 330 3500 505 25 53.0 320 □ ◇

SR 331K10E □□ 210 275 297 363 3500 540 25 58.0 300 ○△□☆◇

SR 361K10E □□ 230 300 324 396 3500 595 25 65.0 285 ○ □ ☆ ◇

SR 391K10E □□ 250 330 351 429 3500 650 25 70.0 270 ○ □ ☆ ◇

SR 431K10E □□ 275 370 387 473 3500 710 25 80.0 255 ○ □ ☆ ◇

SR 471K10E □□ 300 385 423 517 3500 775 25 85.0 230 ○△□☆◇

SR 511K10E □□ 320 420 459 561 3500 840 25 92.0 210 ○△□☆◇

SR 561K10E □□ 360 470 522 638 3500 910 25 97.0 170 ○ □ ☆ ◇

SR 621K10E □□ 390 505 558 682 3500 1025 25 107.0 146 □☆◇

SR 681K10E □□ 420 560 612 748 3500 1120 25 110.0 136 □☆◇

SR 751K10E □□ 460 615 675 825 3500 1240 25 115.0 124 □☆◇

SR 781K10E □□ 485 640 702 858 3500 1290 25 120.0 120 □☆◇

SR 821K10E □□ 510 675 738 902 3500 1350 25 125.0 110 ○△□☆◇

SR 911K10E □□ 550 745 819 1001 3500 1400 25 130.0 90 ○ □ ◇

SR 102K10E □□ 625 725 900 1100 3500 1620 25 145.0 80 □ ◇

SR 112K10E □□ 680 895 962 1175 3500 1815 25 155.0 70 ○ □ ◇

1. □□: Suffix adding; please refer “How to Order” for details. 2. Safety approval: please refer to “Remark” on page 9.

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K14E □□ 50 66 74 90 6000 135 50 28.0 3310 ○△ ◇

SR 181K14E □□ 120 160 170 207 6000 320 50 56.0 800 ○ ◇

SR 201K14E □□ 130 175 185 225 6000 330 50 70.0 770 ○△□☆◇

SR 221K14E □□ 140 180 198 242 6000 360 50 78.0 740 ○△□☆◇

SR 241K14E □□ 150 200 216 264 6000 395 50 84.0 700 ○△□☆◇

SR 271K14E □□ 180 230 255 311 6000 450 50 99.0 640 ○△□☆◇

SR 301K14E □□ 195 250 270 330 6000 505 50 107.0 620 □ ◇

SR 331K14E □□ 210 275 297 363 6000 545 50 115.0 580 ○△□☆◇

SR 361K14E □□ 230 300 324 396 6000 595 50 140.0 540 ○ □☆◇

SR 391K14E □□ 250 330 351 429 6000 650 50 150.0 500 ○ □☆◇

SR 431K14E □□ 275 370 387 473 6000 710 50 165.0 460 ○ □☆◇

SR 471K14E □□ 300 385 423 517 6000 775 50 175.0 400 ○△□☆◇

SR 511K14E □□ 320 420 459 561 6000 840 50 190.0 350 ○△□☆◇

SR 561K14E □□ 360 470 522 638 6000 910 50 210.0 320 ○ □☆◇

SR 621K14E □□ 390 505 558 682 6000 1025 50 215.0 270 □☆◇

SR 681K14E □□ 420 560 612 748 6000 1120 50 225.0 250 □☆◇

SR 751K14E □□ 460 615 675 825 6000 1240 50 230.0 230 □☆◇

SR 781K14E □□ 485 640 702 858 6000 1290 50 235.0 210 □☆◇

SR 821K14E □□ 510 675 738 902 6000 1350 50 240.0 190 ○△□☆◇

SR 911K14E □□ 550 745 819 1001 6000 1400 50 255.0 170 ○ □ ◇

SR 102K14E □□ 625 725 900 1100 6000 1620 50 290.0 165 □ ◇

SR 112K14E □□ 680 895 962 1175 6000 1800 50 310.0 140 ○ □ ◇

1. □□: Suffix adding; please refer “How to Order” for details. 2. Safety approval: please refer to “Remark” on page 9.

www.passivecomponent.com

Varistors

18E Series

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K18E □□ 50 66 74 90 8000 135 75 46 3500 ○ ◇

SR 181K18E □□ 120 160 170 207 9000 320 75 70 1600 ○ ◇

SR 201K18E □□ 130 175 185 225 9000 340 75 130 1270 ○△□☆◇

SR 221K18E □□ 140 180 198 242 9000 360 75 135 1220 ○△□☆◇

SR 241K18E □□ 150 200 216 264 9000 395 75 140 1200 ○△□☆◇

SR 271K18E □□ 180 230 255 311 9000 455 75 150 1050 ○△□☆◇

SR 301K18E □□ 195 250 270 330 9000 505 75 170 1010 □☆◇

SR 331K18E □□ 210 275 297 363 9000 545 75 190 950 ○△□☆◇

SR 361K18E □□ 230 300 324 396 9000 595 75 215 870 ○△□☆◇

SR 391K18E □□ 250 330 351 429 9000 650 75 240 800 ○△□☆◇

SR 431K18E □□ 275 370 387 473 9000 710 75 260 730 ○△□☆◇

SR 471K18E □□ 300 385 423 517 9000 775 75 290 660 ○△□☆◇

SR 511K18E □□ 320 420 459 561 9000 840 75 314 570 ○△□☆◇

SR 561K18E □□ 360 470 522 638 9000 910 75 320 520 ○△□☆◇

SR 621K18E □□ 390 505 558 682 9000 1025 75 330 470 ○△□☆◇

SR 681K18E □□ 420 560 612 748 9000 1120 75 340 430 ○△□☆◇

SR 751K18E □□ 460 615 675 825 9000 1240 75 360 390 ○△□☆◇

SR 781K18E □□ 485 640 702 858 9000 1290 75 365 370 ○△□☆◇

SR 821K18E □□ 510 675 738 902 9000 1350 75 388 310 ○△□☆◇

SR 911K18E □□ 550 745 819 1001 9000 1400 75 405 280 ○ □☆◇

SR 102K18E □□ 625 725 900 1100 9000 1620 75 450 250 ○ □☆◇

SR 112K18E □□ 680 895 962 1175 9000 1800 75 500 230 ○ □☆◇

1. □□: Suffix adding; please refer “How to Order” for details. 2. Safety approval: please refer to “Remark” on page 9.

Part Number

Maximum

Allowable

Voltage

Varistor

Voltage

Withstanding

Surge Current

(8/20 µs)

Max. Clamping

Voltage

(8/20 µs)

Maximum

Engergy

Typical

Capacitance Safety

Approval

ACrms DC DC Volts 1 time Vc Ip 10/1000µs @1kHz

Volts Volts Min Max Amps Volts Amps Joules PF

SR 820K20E □□ 50 66 74 90 10000 135 100 56 5300 ○△

SR 181K20E □□ 120 160 170 207 12000 320 100 135 1800 ○

SR 201K20E □□ 130 175 185 225 12000 340 100 140 1700 ○△□

SR 221K20E □□ 140 180 198 242 12000 360 100 155 1600 ○△□☆

SR 241K20E □□ 150 200 216 264 12000 395 100 170 1500 ○△□☆

SR 271K20E □□ 180 230 255 311 12000 455 100 190 1300 ○△□☆

SR 301K20E □□ 195 250 270 330 12000 505 100 210 1200 ○ □ ☆

SR 331K20E □□ 210 275 297 363 12000 545 100 228 1100 ○△□☆

SR 361K20E □□ 230 300 324 396 12000 595 100 275 1050 ○ □ ☆

SR 391K20E □□ 250 330 351 429 12000 650 100 305 1000 ○ □ ☆

SR 431K20E □□ 275 370 387 473 12000 710 100 330 950 ○ □☆

SR 471K20E □□ 300 385 423 517 12000 775 100 350 900 ○△□☆

SR 511K20E □□ 320 420 459 561 12000 840 100 382 800 ○△□☆

SR 561K20E □□ 360 470 522 638 12000 910 100 395 760 ○ □☆

SR 621K20E □□ 390 505 558 682 12000 1025 100 410 710 ○ □☆

SR 681K20E □□ 420 560 612 748 12000 1120 100 423 670 ○ □☆

SR 751K20E □□ 460 615 675 825 12000 1240 100 435 620 ○ □☆

SR 781K20E □□ 485 640 702 858 12000 1240 100 450 580 ○ □☆

SR 821K20E □□ 510 675 738 902 12000 1350 100 460 530 ○△□☆

SR 911K20E □□ 550 745 819 1001 12000 1400 100 510 470 ○ □☆

SR 102K20E □□ 625 725 900 1100 12000 1620 100 560 425 ○ □☆

SR 112K20E □□ 680 895 962 1175 12000 1800 100 620 380 ○ □☆

1. □□: Suffix adding; please refer “How to Order” for details. 2. Safety approval: please refer to “Remark” on page 9.

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V-I CURVE

8/20µs

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V-I CURVE

8/20µs

8/20µs 8/20µs

8/20µs

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V-I CURVE

8/20µs

8/20µs 8/20µs

8/20µs

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Packing Specification (5Ø - 25Ø Series)

A.Bulk Packing :

Disk size mm Voltage BDV Q’ty pcs/bag Q’ty pcs/Carton

Diameter 05 All 1000 10000

Diameter 07 All 500 5000

Diameter 10 180K-471K 500 5000

Above 511K 300 3000

Diameter 14 180K-751K 300 3000

Above 781K 200 2000

Diameter 18 All 200 2000

Diameter 20 180K-621K 100 1000

Above 681K 50 500

Diameter 25 180K-621K 50 500

Above 681K 30 300

L approx.395mm

W approx.285mm

H approx. 180mm

B.Taping Packing :

Disk size Varistor Voltage AMMO BOX REEL

PCS / BOX BOX / CARTON PCS / REEL REELS / BOX BOX / CARTON

5Ø ≤ 431K 1500 10 1500 2 5

5Ø ≥ 471K 1000 10 1000 2 5

7Ø ≤ 431K 1500 10 1500 2 5

7Ø ≥ 471K 1000 10 1000 2 5

10Ø ≤ 431K 500 10 500 2 5

10Ø ≥ 471K 300 10 300 2 5

14Ø ≤ 431K 500 8 500 2 5

14Ø ≥ 471K 300 8 300 2 5

18Ø ≤ 431K 500 8 500 2 5

18Ø ≥ 471K 300 8 300 2 5

20Ø ≤ 431K 500 8 500 2 5

20Ø ≥ 471K 300 8 300 2 5

■Dimensions of Ammo Box and Real :

W approx. 50mm

D 350ø max

A approx. 30ø

B approx. 95ø

Disk size A (max.) B (max.) C (max.)

5Ø 60 mm 250 mm 340 mm

7Ø 60 mm 250 mm 340 mm

10Ø 60 mm 250 mm 340 mm

14Ø 60 mm 250 mm 340 mm

18Ø, 20Ø 60 mm 250 mm 340 mm

■Taping Code :

Varistor series Lead spacing Packing type Lead type

Straight Outward crimped Inward crimped Inline crimped

5D, 5E 5 mm Ammo

Reel

T11

T17

T1D

T14

T1W

T32

7D, 7E 5 mm Ammo

Reel

T11

T17

T1D

T14

T1W

T32

10D, 10E 7.5 mm Ammo

Reel

T36

T19

T1U

T1N

T16

T43

14D, 14E 7.5 mm Ammo

Reel

T36

T19

T1U

T1N

T16

T43

18E 7.5 mm Ammo

Reel

T44

T1H

T45

T1X

T40

T4X

T25

20D, 20E 10 mm Ammo

Reel

T30

T50

T2X

T35

T2D

T60

T3X

Note: Ammo box and reel quantity may vary. Please contact sales for details.

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Taping Specifications - 5Ø and 7Ø

Item Disk Size

5Ø (5D, 5E) 7Ø (7D, 7E)

Taping Code

T11, T1 T17, T3, T14, T1D T32, T1W T11, T1 T17, T3, T14, T1D T32, T1W

Body Diameter

D 7Max 7Max 7Max 9Max 9Max 9Max

Lead Wire Diameter

d 0.6 0.6 0.6 0.6 0.6 0.6

Pitch of Component

P 12.7 ± 1 12.7 ± 1 12.7 ± 1 12.7 ± 1 12.7 ± 1 12.7 ± 1

Feed Hole Pitch

P012.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3

Feed Hole Center to Lead

P13.85 ± 0.7 3.85 ± 0.7 3.85 ± 0.7 3.85 ± 0.7 3.85 ± 0.7 3.85 ± 0.7

Lead to Lead Distance (Center to Center)

F 5.0 ± 0.8 5.0 ± 0.8 5.0 ± 0.8 5.0 ± 0.8 5.0 ± 0.8 5.0 ± 0.8

Component Alignment

∆h 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max

Base paper Tape Width

W 18* 18* 18* 18* 18* 18*

Adhesive Tape Width

W010Min 10Min 10Min 10Min 10Min 10Min

Hole Position

W19 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5

Adhesive Tape Border

W21.5Max 1.5Max 1.5Max 1.5Max 1.5Max 1.5Max

Component Height

H130Max 30Max 30Max 32Max 32Max 32Max

Lead-Wire Clinch Height

H0- 16 ± 0.5 16 ± 0.5 - 16 ± 0.5 16 ± 0.5

Lead-Wire Protrusion

Lx1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max

Feed Hole Diameter

D04 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2

Total Tape Thickness

t < 0.7 < 0.7 < 0.7 < 0.7 < 0.7 < 0.7

Length of Clipped Lead

L 11Max 11Max 11Max 11Max 11Max 11Max

Component Height from Seating Plane

A - 13Max 13Max - 15Max 15Max

Hole Center to Component Center

P26.35 ± 0.7 6.35 ± 0.7 6.35 ± 0.7 6.35 ± 0.7 6.35 ± 0.7 6.35 ± 0.7

Based on EIA-468-B Specification * Tolerances are +1.0 and -0.5

All dimensions are in millimeters.

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Taping Specifications - 10Ø and 14Ø

Item Disk Size

10Ø (10D, 10E) 14Ø (14D, 14E)

Taping Code

T19, T36 T1N, T1U, T8, T16 T43, T4 T19, T36 T1N, T1U, T8, T16 T43, T4

Body Diameter

D 14Max 14Max 14Max 17.5Max 17.5Max 17.5Max

Lead Wire Diameter

d 0.8 ± 0.05 0.8 ± 0.05 0.8 ± 0.05 0.8 ± 0.05 0.8 ± 0.05 0.8 ± 0.05

Pitch of Component

P 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1

Hole Center to Component Center

P212.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3

Feed Hole Pitch

P012.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3

Lead to Lead Distance (Center to Center)

F 7.5 ± 0.8 7.5 ± 0.8 7.5 ± 0.8 7.5 ± 0.8 7.5 ± 0.8 7.5 ± 0.8

Component Alignment

∆h 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max

Base paper Tape Width

W 18* 18* 18* 18* 18* 18*

Adhesive Tape Width

W010Min 10Min 10Min 10Min 10Min 10Min

Hole Position

W19 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5

Adhesive Tape Border

W21.5Max 1.5Max 1.5Max 1.5Max 1.5Max 1.5Max

Component Height

H133Max 38.5Max 35.5Max 37Max 40Max 40Max

Lead-Wire Protrusion

Lx1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max

Feed Hole Diameter

D04 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2

Total Tape Thickness

t < 0.7 < 0.7 < 0.7 < 0.7 < 0.7 < 0.7

Length of Clipped Lead

L 11Max 11Max 11Max 11Max 11Max 11Max

Component Height from Seating Plane

A - 19.5Max 19.5Max - 22.5Max 22.5Max

Based on EIA-468-B Specification * Tolerances are +1.0 and -0.5

All dimensions are in millimeters.

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Taping Specifications - 18Ø and 20Ø

Item

Disk Size

20Ø (20D, 20E), 18Ø (18E) 20Ø (20D, 20E)

Lead Spacing 7.5 mm Lead Spacing 10.0 mm

Taping Code

T44, T1H T45, T1X, T40, T4X T2, T25 T5, T30 T50, T2X, T35, T2D T60, T3X

Body Diameter

D 24Max** 24Max** 24Max** 24Max 24Max 24Max

Lead Wire Diameter

d 0.8 ± 0.1 0.8 ± 0.1 0.8 ± 0.1 1.0 ± 0.1 1.0 ± 0.1 1.0 ± 0.1

Pitch of Component

P 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1 25.4 ± 1

Hole Center to Component Center

P212.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3

Feed Hole Pitch

P012.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3 12.7 ± 0.3

Lead to Lead Distance (Center to Center)

F 7.5 ± 0.8 7.5 ± 0.8 7.5 ± 0.8 10.0 ± 1.0 10.0 ± 1.0 10.0 ± 1.0

Component Alignment

∆h 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max 2.0Max

Base paper Tape Width

W 18* 18* 18* 18* 18* 18*

Adhesive Tape Width

W010Min 10Min 10Min 10Min 10Min 10Min

Hole Position

W19 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5 9 ± 0.5

Adhesive Tape Border

W21.5Max 1.5Max 1.5Max 1.5Max 1.5Max 1.5Max

Component Height

H148Max** 48Max** 48Max** 48Max 48Max 48Max

Lead-Wire Protrusion

Lx1.0Max 1.0Max 1.0Max 1.0Max 1.0Max 1.0Max

Feed Hole Diameter

D04 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2 4 ± 0.2

Total Tape Thickness

t < 0.7 < 0.7 < 0.7 < 0.7 < 0.7 < 0.7

Length of Clipped Lead

L 11Max 11Max 11Max 11Max 11Max 11Max

Component Height from Seating Plane

A - 29Max** 28Max** - 29Max 28Max

Based on EIA-468-B Specification

All dimensions are in millimeters.

* Tolerances are +1 and -0.5

** For 18Ø, D=22max, H1=46max and A=26max.

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Big Size Varistor - 32D Series

Part

Nummber

Maximum Ratings. Electrical Characteristics

Tmax. s d

Continuous

Rated

Voltage

Rated Single

Pulse Transient Varistor Voltage

@ 1mA DC

Maximum Clamping

Voltage

@ Test Current 8/20ms

Typical

Capacitance

@1KHZ 25°C

AC RMS

Volts

Energy Peak

10/1000µs

Jules

8/20µs

KAmps

Min

Volts

Max

Volts Volts Amps PF mm mm mm

SR201K32D

□

130

175 210 30

184 224 340 200 4700 7.5 2.5

±1.0

5.7

±1.0

SR221K32D

□140 180 225 30

198 242 360 200 4300 7.5 2.5

±1.0

5.5

±1.0

SR241K32D

□150 200 240 30

216 264 395 200 4000 7.5 2.8

±1.0

5.4

±1.0

SR271K32D

□180 230 255 30

255 311 455 200 3500 8.5 2.8

±1.0

5.2

±1.0

SR331K32D

□210 275 300 30

297 363 550 200 3000 9.0 3.1

±1.0

4.8

±1.0

SR361K32D

□230 300 315 30

324 396 595 200 2800 9.0 3.3

±1.0

4.6

±1.0

SR391K32D

□250 330 330 30

351 429 650 200 2500 9.0 3.6

±1.0

4.4

±1.0

SR431K32D

□275 370 360 30

387 473 710 200 2200 9.0 3.6

±1.0

4.2

±1.0

SR471K32D

□300 385 380 30

423 517 775 200 2000 9.7 3.8

±1.0

4.2

±1.0

SR511K32D

□320 420 430 30

459 561 840 200 1900 9.7 3.8

±1.0

4.0

±1.0

SR621K32D

□390 505 470 30

558 682 1025 200 1600 9.7 4.3

±1.0

3.9

±1.0

SR681K32D

□420 560 495 30

612 748 1120 200 1500 9.7 4.6

±1.0

3.6

±1.0

SR751K32D

□460 615 520 30

675 825 1240 200 1400 10.5 4.8

±1.0

3.3

±1.0

SR781K32D

□485 640 550 30

702 858 1290 200 1300 10.5 4.8

±1.0

3.1

±1.0

SR821K32D

□510 675 580 30

738 902 1355 200 1200 10.5 5.1

±1.0

2.9

±1.0

SR911K32D

□550 745 620 30

819 1001 1500 200 1150 11.5 5.6

±1.0

2.5

±1.0

SR951K32D

□575 765 650 30

855 1043 1570 200 1100 11.5 5.6

±1.0

2.3

±1.0

SR102K32D

□625 825 680 30

900 1100 1650 200 1000 12.0 5.8

±1.0

2.1

±1.0

SR112K32D

□680 895 760 30

962 1175 1815 200 900 12.0 6.4

±1.0

2.1

±1.0

□– Part Number Suffix Code ( ie: SR201K32DML)

No suffix - Straight Lead L – Straight Lead – Left Side Lead Orientation

Q – 90° Bend Lead R – Uncoated Disk – without Leads

F – Un-coated Disk – with Leads M – One Side Coated Disk – with one Right Orientation Lead only

ML – One Side coated Disk – with one Left Orientation Lead only N – Uncoated Disk – with one Right Orientation Lead only

NL – Uncoated Disk – with one Left Orientation Lead only

UL 1449 recognized (File # E172311)

UL 1414 recognized (File # E182369)

CSA 22.2 #1 certified (File #206608M000)

Approvals not applicable for uncoated disk product

Packing: 340pcs/carton for varistor voltage ≤ 391K, 320pcs/carton for varistor voltage 431K-621K, 260pcs/carton for varistor voltage ≥ 681K.

Packing quantity may subject to change without notice, please contact sales for confirmation.

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Big Size Varistor - 34mm Single Series

Part

Nummber

Maximum Ratings. Electrical Characteristics

Tmax. s d

Continuous

Rated

Voltage

Rated Single

Pulse Transient Varistor Voltage

@ 1mA DC

Maximum Clamping

Voltage

@ Test Current 8/20ms

Typical

Capacitance

@1KHZ 25°C

AC RMS

Volts

Energy Peak

10/1000µs

Jules

8/20µs

KAmps

Min

Volts

Max

Volts Volts Amps PF mm mm mm

SR201K34R

□

130

175 310 40

185 225 340 300 10000 7.5 2.5

±1.0

5.7

±1.0

SR221K34R

□140 180 330 40

198 242 360 300 9000 7.5 2.5

±1.0

5.5

±1.0

SR241K34R

□150 200 360 40

216 264 395 300 8000 7.5 2.8

±1.0

5.4

±1.0

SR271K34R

□180 230 390 40

255 311 455 300 7100 8.5 2.8

±1.0

5.2

±1.0

SR301K34R

□195 250 405 40

270 330 505 300 6500 9.0 3.0

±1.0

5.0

±1.0

SR331K34R

□210 275 430 40

297 363 550 300 6000 9.0 3.1

±1.0

4.8

±1.0

SR361K34R

□230 300 460 40

324 396 595 300 5600 9.0 3.3

±1.0

4.6

±1.0

SR391K34R

□250 330 490 40

351 429 650 300 5000 9.0 3.6

±1.0

4.4

±1.0

SR431K34R

□275 370 550 40

387 473 710 300 4500 9.0 3.6

±1.0

4.2

±1.0

SR471K34R

□300 385 600 40

423 517 775 300 4000 9.7 3.8

±1.0

4.2

±1.0

SR511K34R

□320 420 640 40

459 561 840 300 3800 9.7 3.8

±1.0

4.0

±1.0

SR561K34R

□360 470 710 40

522 638 910 300 3500 9.7 4.0

±1.0

4.0

±1.0

SR621K34R

□390 505 800 40

558 682 1025 300 3200 9.7 4.3

±1.0

3.9

±1.0

SR681K34R

□420 560 910 40

612 748 1120 300 2900 9.7 4.6

±1.0

3.6

±1.0

SR751K34R

□460 615 980 40

675 825 1240 300 2700 10.5 4.8

±1.0

3.3

±1.0

SR781K34R

□485 640 1020 40

702 858 1290 300 2500 10.5 5.1

±1.0

3.1

±1.0

SR821K34R

□510 675 1100 40

738 902 1355 300 2300 10.5 5.6

±1.0

2.9

±1.0

SR911K34R

□550 745 1150 40

819 1001 1500 300 2100 11.5 5.6

±1.0

2.5

±1.0

SR951K34R

□575 765 1200 40

855 1043 1570 300 1900 11.5 5.6

±1.0

2.3

±1.0

SR102K34R

□625 825 1250 40

900 1100 1650 300 1700 12.0 5.8

±1.0

2.1

±1.0

SR112K34R

□680 895 1350 40

962 1175 1815 300 1500 12.0 6.4

±1.0

2.1

±1.0

□– Part Number Suffix Code (i.e.: SR201K34RML)

No suffix – Straight Lead L – Straight Lead – Left Side Lead Orientation

Q – 90° Bend Lead R – Uncoated Disk – without Leads

F – Un-coated Disk – with Leads M – One Side Coated Disk – with one Right Orientation Lead only

ML – One Side coated Disk – with one Left Orientation Lead only N – Uncoated Disk – with one Right Orientation Lead only

NL – Uncoated Disk – with one Left Orientation Lead only

UL 1449 recognized (File # 172311)

UL 1414 pending

CSA 22.2 #1 recognized (File # 206608)

Approvals not applicable for uncoated disk product

Packing: 340pcs/carton for varistor voltage ≤ 391K, 320pcs/carton for varistor voltage 431K-621K, 260pcs/carton for varistor voltage ≥ 681K.

Packing quantity may subject to change without notice, please contact sales for confirmation.

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Big Size Varistor - 34mm Dual Series

Part

Nummber

Maximum Ratings. Electrical Characteristics

Tmax. s

Continuous

Rated

Voltage

Rated Single

Pulse Transient Varistor Voltage

@ 1mA DC

Maximum Clamping

Voltage

@ Test Current 8/20ms

Typical

Capacitance

@1KHZ 25°C

AC RMS

Volts

Energy Peak

10/1000µs

Jules

8/20µs

KAmps

Lead 1-2 or 2-3

8/20µs

KAmps

Lead 1-3

Min

Volts

Max

Volts Volts Amps PF mm mm

SR201K34RD

□

130

175 310 40 80

185 225 340 300 7900 9.1 4.1

±1.0

SR221K34RD

□140 180 330 40 80

198 242 360 300 7200 9.2 4.2

±1.0

SR241K34RD

□150 200 360 40 80

216 264 395 300 6600 9.3 4.6

±1.0

SR271K34RD

□180 230 390 40 80

255 311 455 300 5600 9.5 4.8

±1.0

SR301K34RD

□195 250 405 40 80

270 330 505 300 5200 10.5 5.2

±1.0

SR331K34RD

□210 275 430 40 80

297 363 550 300 4800 11.3 5.4

±1.0

SR361K34RD

□230 300 460 40 80

324 396 595 300 4400 11.5 5.8

±1.0

SR391K34RD

□250 330 490 40 80

351 429 650 300 4100 11.6 6.2

±1.0

SR431K34RD

□275 370 550 40 80

387 473 710 300 3800 11.9 6.5

±1.0

SR471K34RD

□300 385 600 40 80

423 517 775 300 3400 12.8 6.9

±1.0

SR511K34RD

□320 420 640 40 80

459 561 840 300 3200 13.1 7.2

±1.0

SR561K34RD

□360 470 710 40 80

522 638 910 300 2700 13.4 7.7

±1.0

SR621K34RD

□390 505 800 40 80

558 682 1025 300 2600 13.6 8.2

±1.0

SR681K34RD

□420 560 910 40 80

612 748 1120 300 2400 13.9 8.8

±1.0

SR751K34RD

□460 615 980 40 80

675 825 1240 300 2200 15.3 9.3

±1.0

SR781K34RD

□485 640 1020 40 80

702 858 1290 300 2100 15.5 9.6

±1.0

SR821K34RD

□510 675 1100 40 80

738 902 1355 300 2000 15.5 10.1

±1.0

SR911K34RD

□550 745 1150 40 80

819 1001 1500 300 1800 17.0 11.1

±1.0

SR951K34RD

□575 765 1200 40 80

855 1045 1570 300 1700 17.2 11.3

±1.0

SR102K34RD

□625 825 1250 40 80

900 1100 1650 300 1600 18.0 11.8

±1.0

SR112K34RD

□680 895 1350 40 80

962 1175 1815 300 1500 18.6 13.0

±1.0

42.0 MAX.

□– Part Number Suffix Code ( ie: SR201K34RD)

No suffix - Straight Lead

Q – 90° Bend Lead

UL 1449 recognized (File # 172311)

UL 1414 pending

CSA 22.2 #1 recognized (File # 206608)

Approvals not applicable for uncoated disk product

Packing: 340pcs/carton for varistor voltage ≤ 391K, 320pcs/carton for varistor voltage 431K-621K, 260pcs/carton for varistor voltage ≥ 681K.

Packing quantity may subject to change without notice, please contact sales for confirmation.

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Big Size Varistor - 40D Series

Part

Nummber

Maximum Ratings. Electrical Characteristics

Tmax. s d

Continuous

Rated

Voltage

Rated Single

Pulse Transient Varistor Voltage

@ 1mA DC

Maximum Clamping

Voltage

@ Test Current 8/20ms

Typical

Capacitance

@1KHZ 25°C

AC RMS

Volts

Energy Peak

10/1000µs

Jules

8/20µs

KAmps

Min

Volts

Max

Volts Volts Amps PF mm mm mm

SR201K40D

□

130

175 310 40

185 225 340 300 10000 7.5 2.5

±1.0

5.7

±1.0

SR221K40D

□140 180 330 40

198 242 360 300 9000 7.5 2.5

±1.0

5.5

±1.0

SR241K40D

□150 200 360 40

216 264 395 300 8000 7.5 2.8

±1.0

5.4

±1.0

SR271K40D

□180 230 390 40

255 311 455 300 7100 8.5 2.8

±1.0

5.2

±1.0

SR331K40D

□210 275 460 40

297 363 550 300 6000 9.0 3.1

±1.0

4.8

±1.0

SR361K40D

□230 300 475 40

324 396 595 300 5600 9.0 3.3

±1.0

4.6

±1.0

SR391K40D

□250 330 490 40

351 429 650 300 5000 9.0 3.6

±1.0

4.4

±1.0

SR431K40D

□275 370 550 40

387 473 710 300 4500 9.0 3.6

±1.0

4.2

±1.0

SR471K40D

□300 385 600 40

423 517 775 300 4000 9.7 3.8

±1.0

4.2

±1.0

SR511K40D

□320 420 640 40

459 561 840 300 3800 9.7 3.8

±1.0

4.0

±1.0

SR621K40D

□390 505 800 40

558 682 1025 300 3300 9.7 4.3

±1.0

3.9

±1.0

SR681K40D

□420 560 910 40

612 748 1120 300 3000 9.7 4.6

±1.0

3.6

±1.0

SR751K40D

□460 615 920 40

675 825 1240 300 2600 10.5 4.8

±1.0

3.3

±1.0

SR781K40D

□485 640 930 40

702 858 1290 300 2500 10.5 4.8

±1.0

3.1

±1.0

SR821K40D

□510 675 940 40

738 902 1355 300 2300 10.5 5.1

±1.0

2.9

±1.0

SR911K40D

□550 745 960 40

819 1001 1500 300 2200 11.5 5.6

±1.0

2.5

±1.0

SR951K40D

□575 765 1000 40

855 1043 1570 300 2000 11.5 5.6

±1.0

2.3

±1.0

SR102K40D

□625 825 1055 40

900 1100 1650 300 1900 12.0 5.8

±1.0

2.1

±1.0

SR112K40D

□680 895 1155 40

962 1175 1815 300 1800 12.0 6.4

±1.0

2.1

±1.0

□– Part Number Suffix Code ( ie: SR201K40DQ)

No suffix - Straight Lead L – Straight Lead – Left Side Lead Orientation

Q – 90° Bend Lead R – Uncoated Disk – without Leads

F – Un-coated Disk – with Leads M – One Side Coated Disk – with one Right Orientation Lead only

ML – One Side coated Disk – with one Left Orientation Lead only N – Uncoated Disk – with one Right Orientation Lead only

NL – Uncoated Disk – with one Left Orientation Lead only

UL 1449 recognized (File # E172311)

UL 1414 recognized (File # E182369)

CSA 22.2 #1 certified (File #206608M000)

Approvals not applicable for uncoated disk product

Packing: 340pcs/carton for varistor voltage ≤ 391K, 320pcs/carton for varistor voltage 431K-621K, 260pcs/carton for varistor voltage ≥ 681K.

Packing quantity may subject to change without notice, please contact sales for confirmation.

www.passivecomponent.com

Big Size Varistor - 53D Series

Part

Nummber

Maximum Ratings. Electrical Characteristics

Tmax. s d

Continuous

Rated

Voltage

Rated Single

Pulse Transient Varistor Voltage

@ 1mA DC

Maximum Clamping

Voltage

@ Test Current 8/20ms

Typical

Capacitance

@1KHZ 25°C

AC RMS

Volts

Energy Peak

10/1000µs

Jules

8/20µs

KAmps

Min

Volts

Max

Volts Volts Amps PF mm mm mm

SR201K53D

□

130

175 490 70

185 225 340 500 15000 7.5 2.5

±1.0

5.7

±1.0

SR221K53D

□140 180 530 70

198 242 360 500 13800 7.5 2.5

±1.0

5.5

±1.0

SR241K53D

□150 200 570 70

216 264 395 500 12500 7.5 2.8

±1.0

5.4

±1.0

SR271K53D

□180 230 630 70

255 311 455 500 11000 8.5 2.8

±1.0

5.2

±1.0

SR331K53D

□210 275 680 70

297 363 550 500 9000 9.0 3.1

±1.0

4.8

±1.0

SR361K53D

□230 300 730 70

324 396 595 500 8500 9.0 3.3

±1.0

4.6

±1.0

SR391K53D

□250 330 880 70

351 429 650 500 7500 9.0 3.6

±1.0

4.4

±1.0

SR431K53D

□275 370 950 70

387 473 710 500 7000 9.0 3.6

±1.0

4.2

±1.0

SR471K53D

□300 385 1000 70

423 517 775 500 6500 9.7 3.8

±1.0

4.2

±1.0

SR511K53D

□320 420 1100 70

459 561 840 500 6000 9.7 3.8

±1.0

4.0

±1.0

SR561K53D

□360 470 1200 70

522 638 910 500 5600 9.7 4.3

±1.0

4.0

±1.0

SR621K53D

□390 505 1300 70

558 682 1025 500 5200 9.7 4.3

±1.0

3.9

±1.0

SR681K53D

□420 560 1500 70

612 748 1120 500 4800 9.7 4.6

±1.0

3.6

±1.0

SR751K53D

□460 615 1600 70

675 825 1240 500 4300 10.5 4.6

±1.0

3.3

±1.0

SR781K53D

□485 640 1650 70

702 858 1290 500 3900 10.5 4.8

±1.0

3.1

±1.0

SR821K53D

□510 675 1800 70

738 902 1355 500 3700 10.5 5.1

±1.0

2.9

±1.0

SR911K53D

□550 745 2000 70

819 1001 1500 500 3300 11.5 5.6

±1.0

2.5

±1.0

SR951K53D

□575 765 2100 70

855 1043 1570 500 3200 11.5 5.6

±1.0

2.3

±1.0

SR102K53D

□625 825 2200 70

900 1100 1650 500 3000 11.5 5.8

±1.0

2.1

±1.0

SR112K53D

□680 895 2500 70

962 1175 1815 500 2800 11.5 6.4

±1.0

2.1

±1.0

SR122K53D

□750 970 2700 70

1062 1300 1980 500 2700 12.6 7.0

±1.0

1.5

±1.0

□– Part Number Suffix Code ( ie: SR201K53DQ)

No suffix - Straight Lead L – Straight Lead – Left Side Lead Orientation

Q – 90° Bend Lead R – Uncoated Disk – without Leads

F – Un-coated Disk – with Leads M – One Side Coated Disk – with one Right Orientation Lead only

ML – One Side coated Disk – with one Left Orientation Lead only N – Uncoated Disk – with one Right Orientation Lead only

NL – Uncoated Disk – with one Left Orientation Lead only

UL 1449 recognized (File # 172311)

UL 1414 pending

CSA 22.2 #1 recognized (File # 206608)

Approvals not applicable for uncoated disk product

Packing: 170pcs/carton for varistor voltage ≤ 391K, 160pcs/carton for varistor voltage 431K-621K, 130pcs/carton for varistor voltage ≥ 681K.

Packing quantity may subject to change without notice, please contact sales for confirmation.

www.passivecomponent.com

V-I CURVE

8/20µs

8/20µs 8/20µs

8/20µs

www.passivecomponent.com

■Wave Soldering Profile

Thermo-Fuse Varistor (FSR)