Transient Voltage Suppression (TVS) Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
TVS components are ideal for the protection of I/O
interfaces, VCC bus and other vulnerable circuits used
in telecom, computer, industrial ICT equipment and
consumer electronic applications.
Applications
Features
The P4KE Series is designed specifically to protect
sensitive electronic equipment from EFTs, ESD, and
induced lightning transients.
Description
Parameter Symbol Value Unit
Peak Pulse Power Dissipation (Fig.2)
by 10/1000μs Test Waveform (Fig.4)
(Note 1), (Note 4) PPPM 400 W
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC PD1.5 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2) IFSM 60 A
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only (Note 3) VF3.5/5.0 V
Operating Junction and Storage
Temperature Range T J,
TSTG
-55 to 175 °C
Typical Thermal Resistance Junction
to Lead RθJL 60 °C/W
Typical Thermal Resistance Junction
to Ambient RθJA 100 °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.
3. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
4. The PPPM of stacked-die parts is 600W, please contact Littelfuse for the stacked-die
component details.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Agency Approvals
• 400W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Glass passivated chip
junction in DO-41 Package
• Fast response time:
typically less than 1.0ps
from 0 Volts to VBR min
• Excellent clamping
capability
• Typical failure mode is a
short circuit
• Whisker test is conducted
per Table 4a/4c of JEDEC
JESD201A
• IEC 61000-4-2 ESD
30kV(Air), 30kV (Contact)
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• Typical IR ≤ 1 µA for VBR
min > 12.6 V
• High temperature
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
• 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)
AGENCY AGENCY FILE NUMBER
E230531
Uni-directional
Bi-directional
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
P4KE Series RoHS
Pb
e3
Datasheet
Additional Infomarion
Resources
Samples
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage VR
(Volts)
Breakdown
Voltage
VBR@ IT (V)
Test
Current
IT
(mA)
Maximum
Clamping
Voltage
VC @ Ipp (V)
Maximum Peak
Pulse Current
Ipp (A)
Maximum
Reverse
Leakage
IR @ VR(µA)
Agency
Approval
MIN MAX
P4KE6.8A P4KE6.8CA 5.80 6.45 7. 1 4 10 10.5 39.00 1000 X
P4KE7.5A P4KE7.5CA 6.40 7. 1 3 7.88 10 11.3 36.30 500 X
P4KE8.2A P4KE8.2CA 7.02 7.79 8.61 10 12.1 33.90 200 X
P4KE9.1A P4KE9.1CA 7.78 8.65 9.55 1 13.4 30.60 50 X
P4KE10A P4KE10CA 8.55 9.50 10.50 1 14.5 28.30 10 X
P4KE11A P4KE11CA 9.40 10.50 11.60 1 15.6 26.30 5 X
P4KE12A P4KE12CA 10.20 11.40 12.60 1 16.7 24.60 5 X
P4KE13A P4KE13CA 11.10 12.40 13.70 1 18.2 22.50 1 X
P4KE15A P4KE15CA 12.80 14.30 15.80 1 21.2 19.30 1 X
P4KE16A P4KE16CA 13.60 15.20 16.80 1 22.5 18.20 1 X
P4KE18A P4KE18CA 15.30 1 7. 10 18.90 1 25.5 16.10 1 X
P4KE20A P4KE20CA 1 7. 10 19.00 21.00 1 27.7 14.80 1 X
P4KE22A P4KE22CA 18.80 20.90 23.10 1 30.6 13.40 1 X
P4KE24A P4KE24CA 20.50 22.80 25.20 1 33.2 12.30 1 X
P4KE27A P4KE27CA 23.10 25.70 28.40 1 37.5 10.90 1 X
P4KE30A P4KE30CA 25.60 28.50 31.50 1 41.4 9.90 1 X
P4KE33A P4KE33CA 28.20 31.40 34.70 1 45.7 9.00 1 X
P4KE36A P4KE36CA 30.80 34.20 37.80 1 49.9 8.20 1 X
P4KE39A P4KE39CA 33.30 37.10 41.00 1 53.9 7.60 1 X
P4KE43A P4KE43CA 36.80 40.90 45.20 1 59.3 6.90 1 X
P4KE47A P4KE47CA 40.20 44.70 49.40 1 64.8 6.30 1 X
P4KE51A P4KE51CA 43.60 48.50 53.60 1 70.1 5.80 1 X
P4KE56A P4KE56CA 47.80 53.20 58.80 1 77.0 5.30 1 X
P4KE62A P4KE62CA 53.00 58.90 65.10 1 85.0 4.80 1 X
P4KE68A P4KE68CA 58.10 64.60 71.40 1 92.0 4.50 1 X
P4KE75A P4KE75CA 64.10 71.30 78.80 1 103.0 4.00 1 X
P4KE82A P4KE82CA 70.10 77.90 86.10 1 113.0 3.60 1 X
P4KE91A P4KE91CA 77.80 86.50 95.50 1 125.0 3.30 1 X
P4KE100A P4KE100CA 85.50 95.00 105.00 1 137.0 3.00 1 X
P4KE110A - 94.00 105.00 116.00 1 152.0 2.70 1 X
- P4KE110CA* 94.00 105.00 116.00 1 152.0 4.00 1 X
P4KE120A - 102.00 114.00 126.00 1 165.0 2.50 1 X
- P4KE120CA* 102.00 114.00 126.00 1 165.0 3.70 1 X
P4KE130A - 111.00 124.00 137.00 1 179.0 2.30 1 X
- P4KE130CA* 111.0 0 124.00 137.00 1 179.0 3.40 1 X
P4KE150A - 128.00 143.00 158.00 1 207.0 2.00 1 X
- P4KE150CA* 128.00 143.00 158.00 1 207.0 2.90 1 X
P4KE160A - 136.00 152.00 168.00 1 219.0 1.90 1 X
- P4KE160CA* 136.00 152.00 168.00 1 219.0 2.80 1 X
P4KE170A - 145.00 162.00 179.00 1 234.0 1.80 1 X
- P4KE170CA* 145.00 162.00 179.00 1 234.0 2.60 1 X
P4KE180A - 154.00 171.00 189.00 1 246.0 1.70 1 X
- P4KE180CA* 154.00 171.00 189.00 1 246.0 2.50 1 X
P4KE200A - 171.00 190.00 210.00 1 274.0 1.50 1 X
- P4KE200CA* 171.00 190.00 210.00 1 274.0 2.20 1 X
P4KE220A - 185.00 209.00 231.00 1 328.0 1.30 1 -
- P4KE220CA* 185.00 209.00 231.00 1 328.0 1.90 1 -
P4KE250A - 214.00 237.00 263.00 1 344.0 1.20 1 -
- P4KE250CA*214.00 237.00 263.00 1 344.0 1.80 1 -
P4KE300A - 256.00 285.00 315.00 1 414.0 1. 0 0 1 -
- P4KE300CA* 256.00 285.00 315.00 1 414.0 1.50 1 -
P4KE350A* P4KE350CA* 300.00 332.00 368.00 1 482.0 1.30 1 -
P4KE400A* P4KE400CA* 342.00 380.00 420.00 1 548.0 1. 10 1 -
P4KE440A* P4KE440CA* 376.00 418.00 462.00 1 602.0 1. 0 0 1 -
Electrical Characteristics (TA=25°C unless otherwise noted)
Transient Voltage Suppression (TVS) Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
For bidirectional type having VR of 10 volts and less, the IR value is double.
For parts without A , the VBR is ± 10% and VC is 5% higher than with A parts
For stack-die parts, use * to label the part number.
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage VR
(Volts)
Breakdown
Voltage
VBR@ IT (V)
Test
Current
IT
(mA)
Maximum
Clamping
Voltage
VC @ Ipp (V)
Maximum Peak
Pulse Current
Ipp (A)
Maximum
Reverse
Leakage
IR @ VR(µA)
Agency
Approval
MIN MAX
P4KE480A* P4KE480CA* 408.00 456.00 504.00 1 658.0 0.92 1 -
P4KE510A* P4KE510CA* 434.00 485.00 535.00 1 698.0 0.86 1 -
P4KE530A* P4KE530CA* 451.00 503.50 556.50 1 725.0 0.83 1 -
P4KE540A* P4KE540CA* 460.00 513.00 567.00 1 740.0 0.82 1 -
P4KE550A* P4KE550CA* 468.00 522.50 577.50 1 760.0 0.79 1 -
I-V Curve Characteristics
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
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
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
t
d
-Pulse Width (ms)
P
PPM
-Peak Pulse Power (kW)
0.1
1
10
100
0.0010.010.1 110
Single die,400W
at 10/1000
µs, 25°C
stacked-die, 600W
at 10/1000
µs, 25°C
TJ initial = Tamb
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 4 - Pulse Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
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)
Figure 3 - Peak Pulse Power Derating Curve
Transient Voltage Suppression (TVS) Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
Figure 5 - Typical Junction Capacitance
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
0
10
20
30
40
50
60
70
110100
IFSM-Peak Forward Surve Current (A)
Number of Cycles at 60 Hz
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Cj (pF)
V
BR
- Reverse Breakdown Voltage (V)
Uni/Bi-direconal
V=
V
R
Uni
-direconal V=0V
Bi-direconal V=0V
1
10
100
1000
10000
110100 1000
0.1
1.0
10.0
100.0
0.01.0 2.03.0 4.05.0 6.07.0 8.09.0
I
F
-Peak Forward Current (A)
V
F
-Peak Forward Voltage(V)
Single die
Stacked-die
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
Transient Voltage Suppression Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
Physical Specifications
Weight 0.012oz., 0.3g
Case JEDEC DO-204AL (DO-41) molded
plastic body over passivated junction.
Polarity Colored band indicates unidirectional
component’s cathode end
Terminal Matte Tin axial leads, solderable per
JESD22-B102.
Dimensions
Dimensions Inches Millimeters
Min Max Min Max
A1.000 - 25.40 -
B 0.160 0.205 4.10 5.20
C 0.028 0.034 0.71 0.86
D 0.080 0.107 2.00 2.70
D
AA
C
B
Cathode Band
(for uni-directional products only)
DO-204AL (DO-41)
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 : 260OC
Dipping Time : 5 seconds
Soldering : 1 time
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Temperature Cycling JESD22-A104
H3TRB JESD22-A101
RSH JESD22-B106
Transient Voltage Suppression (TVS) Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/18
Axial Leaded – 400W > P4KE series
Part Numbering System
Packaging
Part Number Component
Package Quantity Packaging
Option Packaging Specification
P4KExxxXX DO-204AL 5000 Tape & Reel EIA STD RS-296
P4KExxxXX-B DO-204AL 500 BOX Littelfuse Spec.
Part Marking System
F
P4KEXXX
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
0.197+/-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)
(5.0+/- 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
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product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
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