Plastic package.
Glass passivated junction.
20,000W Peak Pulse Power capability on 10/1000µs waveform.
Excellent clamping capability.
Repetition rate (duty cycle): 0.05%.
Low incremental surge resistance.
Fast response time: typically less than 1.0ps from 0 volt to BV.
High temperature soldering guaranteed: 265°C/10 seconds/.375",
(9.5mm) lead length, 5lbs., (2.3kg) tension.
M
Case: Molded plastic over glass passivated junction.
Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denotes cathode except Bipolar.
Mounting Position: Any.
Weight: 0.07 ounce, 2.5 grams.
D
For Bidirectional use C or CA suffix for type 20KPA20 through type 20KPA300 (e.g. 20KPA20C, 20KPA300CA);
Eelectrical characteristics apply in both directions.
6
Transient Voltage Suppressors
20KPA Series
MERITEK
UL E223045
FEATURES
MECHANICAL DATA
DEVICES FOR BIPOLAR APPLICATION
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
P600
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25 per Fig. 2.
22. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minute maximum.
°C
RATING SYMBOL VALUE UNIT
Peak Pulse Power Dissipation on 10/1000 s waveform.
(Note 1, Fig. 1) PPPM Minimum 20,000 Watts
Peak Pulse Current on 10/1000 s waveform. (Note 1, Fig. 3) IPPM See Table Amps
Steady State Power Dissipation at TL=75 , Lead length .375”
(9.5mm).(Fig. 5) PM(AV) 8.0 Watts
Peak Forward Surge Current,8.3ms Single Half Sine-Wave
Superimposed on Rated Load.(JEDEC Method) (Note 2, Fig. 6) IFSM 400 Amps
Operating junction and Storage Temperature Range. TJ, TSTG -55 to +175
°C
°C
1
Rev 7
All specifications are subject to change without notice.
Millimeters Inches
Item Min. Max. Min. Max.
L 25.40 - 1.000 -
T 8.60 9.10 0.340 0.360
d 8.60 9.10 0.340 0.360
s 1.22 1.32 0.048 0.052
L L T
ds
DIA.
DIA.
P600
Part Number Reverse
Stand-Off
Voltage
Breakdown
Voltage
MIN.@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@ VRWM
UNI-POLAR BI-POLAR VRWM(V) VBR MIN (V) IT(mA) VC(V) IPP(A)
20KPA20A 20KPA20CA 20.0 22.34 50 36.8 548.9 5000
20KPA24A 20KPA24CA 24.0 26.81 50 41.2 490.3 5000
20KPA26A 20KPA26CA 26.0 29.04 50 44.7 451.9 2000
20KPA28A 20KPA28CA 28.0 31.28 50 48.0 420.8 1000
20KPA30A 20KPA30CA 30.0 33.51 5 51.5 392.2 250
20KPA32A 20KPA32CA 32.0 35.74 5 54.3 372.0 150
20KPA34A 20KPA34CA 34.0 38.00 5 57.5 351.3 50
20KPA36A 20KPA36CA 36.0 40.20 5 61.5 328.5 20
20KPA40A 20KPA40CA 40.0 44.70 5 67.8 297.9 15
20KPA44A 20KPA44CA 44.0 49.10 5 72.7 277.9 2
PACKAGE DIMENSIONS
SPECIFICATIONS
IR(µA)
2
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
Part Number Reverse
Stand-Off
Voltage
Breakdown
Voltage
MIN.@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@ VRWM
UNI-POLAR BI-POLAR VRWM(V) VBR MIN (V) IT(mA) VC(V) IPP(A)
20KPA48A 20KPA48CA 48.0 53.60 5 79.4 254.4 2
20KPA52A 20KPA52CA 52.0 58.10 5 85.8 235.4 2
20KPA56A 20KPA56CA 56.0 62.60 5 92.6 218.1 2
20KPA60A 20KPA60CA 60.0 67.00 5 97.6 207.0 2
20KPA64A 20KPA64CA 64.0 71.50 5 104.0 194.2 2
20KPA68A 20KPA68CA 68.0 76.00 5 110.0 183.6 2
20KPA72A 20KPA72CA 72.0 80.40 5 116.0 174.1 2
20KPA80A 20KPA80CA 80.0 89.40 5 130.0 155.4 2
20KPA88A 20KPA88CA 88.0 98.30 5 142.0 142.3 2
20KPA96A 20KPA96CA 96.0 107.20 5 155.0 130.3 2
20KPA104A 20KPA104CA 104.0 116.20 5 168.0 120.2 2
20KPA112A 20KPA112CA 112.0 125.10 5 182.0 111.0 2
20KPA120A 20KPA120CA 120.0 134.00 5 194.0 104.1 2
20KPA132A 20KPA132CA 132.0 147.40 5 213.0 94.8 2
20KPA144A 20KPA144CA 144.0 160.80 5 232.0 87.1 2
20KPA160A 20KPA160CA 160.0 178.70 5 258.0 78.3 2
20KPA172A 20KPA172CA 172.0 192.10 5 277.0 72.9 2
20KPA180A 20KPA180CA 180.0 201.10 5 291.0 69.4 2
20KPA192A 20KPA192CA 192.0 214.50 5 309.0 65.4 2
20KPA204A 20KPA204CA 204.0 227.90 5 329.0 61.4 2
20KPA216A 20KPA216CA 216.0 241.30 5 348.0 58.0 2
20KPA232A 20KPA232CA 232.0 259.10 5 374.0 54.0 2
20KPA240A 20KPA240CA 240.0 268.10 5 387.0 52.2 2
20KPA256A 20KPA256CA 256.0 286.00 5 412.0 49.0 2
20KPA280A 20KPA280CA 280.0 312.80 5 451.0 44.8 2
20KPA300A 20KPA300CA 300.0 335.10 5 483.0 41.8 2
SPECIFICATIONS
IR(µA)
Note: For Bidirectional type having VRWM of 10 volts and less,the IR limit doubles.
3
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
Figure 1 - Peak Pulse Power Rating Curve
Figure 3 - Pulse Waveform
0
20
40
60
80
100
0 25 50 75 100 125 150 175 200
TA-Ambient temperature (ºC)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
0.1
1
10
100
1000
PPPM - Peak Pulse Power (KW)
t
d- Pulse Width (Sec.)
0.000001 0.00001 0.0001 0.001
I
PPM - Peak Pulse Current, % I
RSM
0
0
50
100
150
1.0 2.0 3.0 4.0
t
r=10µsec
Peak Value
I
PPM
I
PPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
10/1000µsec. Waveform
as defined by R.E.A
t
d
t-Time (ms)
Half Value
I
PPM ( )
1
100
10000
0 50 100 150 200 250 300 350
VBR - Reverse Breakdwon Voltage (V)
Cj, Junction Capacitance (pf)
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Bi-directional
@ VR
Uni-directional V
= OV
Bi-directional V
= OV
Uni-directional
@ VR
0
1
2
3
4
5
6
7
8
9
0 25 50 75 100 125 150 175 200
L
L
Steady State Power Dissipation (W)
TL- Lead Temperature (ºC)
0
50
100
150
200
250
300
350
400
450
1 10 100
Number of Cycles at 60 Hz
IFSM, Peak Forward Surge Current (A)
Figure 1 - Peak Pulse Power Rating Curve Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Dissipation Derating Curve
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
RATING AND CHARACTERISTIC CURVES (TA: 25°C UNLESS OTHERWISE SPECIFIED)
4
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
