Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
AGENCY AGENCY FILE NUMBER
E230531
TVS componants are ideal for the protection of I/O
interfaces, VCC bus and other vulnerable circuits used in
telecom, computer, industrial and consumer
electronic applications.
Applications
Features
The 15KPA Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Descriptions
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
PPPM 15 kW
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC PD8.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
IFSM 400 A
Operating Junction and Storage
Temperature Range TJ, TSTG -55 to 175 °C
Typical Thermal Resistance
Junction to Lead RθJL 8.0 °C/W
Typical Thermal Resistance
Junction to Ambient RθJA 40 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Agency Approvals
• Glass passivated chip
junction in P600 package
• 15kW peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• Typical IR less than 2μA
when VBR min>36V
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”, (9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• UL Recognized compound
meeting flammability
rating V-0
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
15KPA Series
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
Bi-directional
Uni-directional
RoHS
Pb
e3
Datasheet
Additional Infomarion
Resources
Samples
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage VR
(Volts)
Breakdown
Voltage VBR
(Volts) @ IT
Test
Current
IT
(mA)
Maximum
Peak
Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage
IR @ VR
(µ A)
Maximum
Clamping
Voltage
VC @ IPP
(V)
Agency
Recognition
MIN MAX
15KPA17A 15KPA17CA 17 18.99 20.79 50 515.4 5000 29.3 X
15KPA18A 15KPA18CA 18 20.11 22.01 50 488.7 5000 30.9 X
15KPA20A 15KPA20CA 20 22.34 24.46 20 440.2 1500 34.3 X
15KPA22A 15KPA22CA 22 24.57 26.91 10 407.0 500 37.1 X
15KPA24A 15KPA24CA 24 26.81 29.35 5 371.0 150 40.7 X
15KPA26A 15KPA26CA 26 29.04 31.80 5 343.2 50 44.0 X
15KPA28A 15KPA28CA 28 31.28 34.24 5 317.9 25 47.5 X
15KPA30A 15KPA30CA 30 33.51 36.70 5 297.8 15 50.7 X
15KPA33A 15KPA33CA 33 36.9 40.4 5 276.1 2 54.7 X
15KPA36A 15KPA36CA 36 40.2 44.0 5 252.5 2 59.8 X
15KPA40A 15KPA40CA 40 44.7 48.9 5 229.5 2 65.8 X
15KPA43A 15KPA43CA 43 48.0 52.6 5 216.3 2 69.8 X
15KPA45A 15KPA45CA 45 50.3 55.0 5 207.4 2 72.8 X
15KPA48A 15KPA48CA 48 53.6 58.7 5 194.3 2 77.7 X
15KPA51A 15KPA51CA 51 57.0 62.4 5 182.1 2 82.9 X
15KPA54A 15KPA54CA 54 60.3 66.0 5 172.2 2 87.7 X
15KPA58A 15KPA58CA 58 64.8 70.9 5 161.0 2 93.8 X
15KPA60A 15KPA60CA 60 67.0 73.4 5 155.0 2 97.4 X
15KPA64A 15KPA64CA 64 71.5 78.3 5 144.9 2 104.2 X
15KPA70A 15KPA70CA 70 78.2 85.6 5 132.9 2 113.6 X
15KPA75A 15KPA75CA 75 83.8 91.7 5 123.8 2 122.0 X
15KPA78A 15KPA78CA 78 87.1 95.4 5 119.7 2 126.1 X
15KPA85A 15KPA85CA 85 94.9 104.0 5 109.7 2 137.6 X
15KPA90A 15KPA90CA 90 100.5 110.1 5 103.7 2 145.6 X
15KPA100A 15KPA100CA 100 111.7 122.3 5 93.6 2 161.3 X
15KPA110A 15KPA110CA 110 122.9 134.5 5 84.5 2 178.6 X
15KPA120A 15KPA120CA 120 134.0 146.8 5 78.5 2 192.3 X
15KPA130A 15KPA130CA 130 145.2 159.0 5 72.5 2 208.3 X
15KPA150A 15KPA150CA 150 167.6 183.5 5 62.4 2 241.9 X
15KPA160A 15KPA160CA 160 178.7 195.7 5 58.4 2 258.6 X
15KPA170A 15KPA170CA 170 189.9 207.9 5 55.4 2 272.7 X
15KPA180A 15KPA180CA 180 201.1 220.1 5 52.3 2 288.5 X
15KPA200A 15KPA200CA 200 223.4 244.6 5 47.3 2 319.1 X
15KPA220A 15KPA220CA 220 245.7 269.1 5 42.4 2 356.0 X
15KPA240A 15KPA240CA 240 268.1 293.5 5 39.3 2 384.6 X
15KPA260A 15KPA260CA 260 290.4 318.0 5 36.2 2 416.7 X
15KPA280A 15KPA280CA 280 312.8 342.4 5 33.2 2 454.5 X
For bidirectional type having VR of 30 volts and less, the IR limit is double.
For parts without A, the VBR is ±10% and Vc is 5% higher than with A parts
2
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
I-V Curve Characteristics
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating Curve
1
10
100
1000
t
d
-Pulse Width (ms)
P
PPM
-Peak Pulse Power (kW)
0.001 0.01 0.11 10
TJ initial = Tamb
15kW at 10/1000
µs, 25°C
Vc VBR VR
IR
IT
Ipp
V
Uni-directional
VF
Vc VBR VR
IR
IT
Ipp
V
Vc
VBR
VR
Ipp
IR
IT
Bi-directional
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
continues on next page.
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Test Pulse Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
Cj (pF)
V
BR
- Reverse Breakdown Voltage (V)
1
10
100
1000
10000
100000
0
50 100150 200250 300350
Uni-direconal V=
V
R
Uni-direconal V=0V
Bi-direconal V=0V
Bi-direconal V=
V
R
Figure 5 - Typical Junction Capacitance
IFSM-Peak Forward Surve Current (A)
Number of Cycles at 60 Hz
0
100
200
300
400
500
600
700
800
900
1000
110100
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
IF-Peak Forward Current(A)
VF-Peak Forward Voltage(V)
0.1
1
10
100
0.02.0 4.06.0 8.010.012.0
3 stacked-die
2 stacked-die
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
Transient Thermal Impedance (°C/W)
-Pulse Duration (s)
TP
0.1
1
10
100
0.01 0.11 10 100 1000
Figure 6 - Typical Transient Thermal Impedance
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
0
25
50
75
100
0255075100 125 150 175 200
TJ - Initial Junction Temperature (ºC)
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
Physical Specifications
Weight 0.07oz., 2.5g
Case P600 molded plastic body over
passivated junction.
Polarity Color band denotes the cathode except
Bipolar.
Terminal Matte Tin axial leads, solderable per
JESD22-B102.
Dimensions
Dimensions
Inches Millimeters
Min Max Min Max
A1.000 - 25.40 -
B 0.340 0.360 8.60 9.10
C 0.048 0.052 1.22 1.36
D 0.340 0.360 8.60 9.10
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition Lead–free
assembly
Pre Heat
- Temperature Min (Ts(min)) 150°C
- Temperature Max (Ts(max)) 200°C
- Time (min to max) (ts) 60 – 180 secs
Average ramp up rate (Liquidus Temp (TA)
to peak 3°C/second max
TS(max) to TA - Ramp-up Rate 3°C/second max
Reflow - Temperature (TA) (Liquidus) 217°C
- Time (min to max) (ts) 60 – 150 seconds
Peak Temperature (TP) 260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP) 8 minutes Max.
Do not exceed 260°C
Flow/Wave Soldering (Solder Dipping)
Peak Temperature : 265OC
Dipping Time : 10 seconds
Soldering : 1 time
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Temperature Cycling JESD22-A104
H3TRB JESD22-A101
RSH JESD22-B106
P600
D
AA
C
B
Cathode Band
(for uni-directional products only)
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Axial Leaded – 15000W > 15KPA series
Part Numbering System
Packing Options
Part Number Component
Package Quantity Packaging
Option Packaging Specification
15KPAxxxXX P600 800 Tape & Reel EIA STD RS-296
15KPAxxxXX-B P600 100 Bulk Littelfuse Spec.
Part Marking System
F
15KPAXXX
YYWW
Trace Code Marking
YY:Year Code
WW: Week Code
Product Type
Littelfuse Logo
Cathode Band
(for uni-directional
products only)
Tape and Reel Specification
2.063+0.079/-0.039
2.56
0.394+/-0.020
2.75
0.047
(330.2)
R
ecess Depth Max. 0.75 (19.05)
Off Center
either side
0.028(0.7)
Dimensions are in
inches/mm
0.236
(65.0)
(10.0+/-0.5)
(53.0+2.0/-1.0)
(6.0)
(1.2)
(69.85)
13.0
(76.2)
3.0
0.68
(17. 27)
Direction of Feed
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
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15KPA18A 15KPA60 15KPA51A 15KPA260C 15KPA150A 15KPA78CA 15KPA160CA 15KPA150 15KPA24
15KPA26C 15KPA45 15KPA36A 15KPA20CA 15KPA75CA 15KPA150CA 15KPA60C 15KPA220A 15KPA17C
15KPA220 15KPA60CA 15KPA30CA 15KPA200C 15KPA26A 15KPA240C-B 15KPA24CA 15KPA120C
15KPA18CA 15KPA45C 15KPA85A 15KPA58 15KPA45CA 15KPA48A 15KPA110CA-B 15KPA78A 15KPA130A
15KPA260A 15KPA130 15KPA220CA 15KPA33CA-B 15KPA43CA 15KPA64A 15KPA33A 15KPA33C 15KPA260
15KPA28 15KPA180 15KPA78C 15KPA170A 15KPA24A-B