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Transient Voltage Suppression Diodes
Axial Leaded – 400W > P4KE series
P4KE Series
RoHS
Pb e3
Bi-directional
Uni-directional
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1), (Note 4)
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only (Note 3)
Operating Junction and Storage
Temperature Range
Symbol
PPPM
PD
IFSM
VF
TJ, TSTG
Value
400
1.5
60
3.5/5.0
-55 to 175
Unit
W
W
A
V
°C
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
RθJL
RθJA
60 °C/W
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 and please contact littelfuse for the detail
stacked-die parts.
Functional Diagram
Description
The P4KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
• 400W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
wTyhpeicnaVl IBRR
less than
min>12V
1μA
• High temperature
to reflow soldering
• Glass passivated chip
guaranteed: 260°C/40sec
junction in DO-41 Package / 0.375”,(9.5mm) lead
• Fast response time:
typically less than 1.0ps
length, 5 lbs., (2.3kg)
tension
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
• Vx(αBR(1T@:+TαeTmJT=pxVeB(rTRa@Jtu-2r25e5°C))
Coefficient, typical value
is 0.1%)
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Matte tin lead–free plated
and 4c
• Halogen free and RoHS
• IEC-61000-4-2 ESD
compliant
30kV(Air), 30kV (Contact) • Pb-free E3 means 2nd
• E SD protection of data
lines in accordance with
IEC 61000-4-2
• E FT protection of data
lines in accordance with
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
IEC 61000-4-4
• Low incremental surge
resistance
Applications
TVS devices are ideal for the protection of I/O interfaces,
cVoCCmbpuustearn, dinodtuhsetrriavlualnnedracbolnescuimrcueirtseluescetrdoninictealpepcloicmat,ions.
Additional Infomarion
Cathode
Bi-directional
Uni-directional
Anode
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Datasheet
Resources
Samples

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Transient Voltage Suppression Diodes
Axial Leaded – 400W > P4KE series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Vo(lVtaogltes)VR
Breakdown
Voltage
VBR@ IT (V)
MIN MAX
P4KE6.8A
P4KE7.5A
P4KE8.2A
P4KE9.1A
P4KE10A
P4KE11A
P4KE12A
P4KE13A
P4KE15A
P4KE16A
P4KE18A
P4KE20A
P4KE22A
P4KE24A
P4KE27A
P4KE30A
P4KE33A
P4KE36A
P4KE39A
P4KE43A
P4KE47A
P4KE51A
P4KE56A
P4KE62A
P4KE68A
P4KE75A
P4KE82A
P4KE91A
P4KE100A
P4KE110A
P4KE120A
P4KE130A
P4KE150A
P4KE160A
P4KE170A
P4KE180A
P4KE200A
P4KE220A
P4KE250A
P4KE300A
P4KE350A
P4KE400A
P4KE440A
P4KE480A
P4KE510A
P4KE530A
P4KE540A
P4KE550A
P4KE6.8CA
P4KE7.5CA
P4KE8.2CA
P4KE9.1CA
P4KE10CA
P4KE11CA
P4KE12CA
P4KE13CA
P4KE15CA
P4KE16CA
P4KE18CA
P4KE20CA
P4KE22CA
P4KE24CA
P4KE27CA
P4KE30CA
P4KE33CA
P4KE36CA
P4KE39CA
P4KE43CA
P4KE47CA
P4KE51CA
P4KE56CA
P4KE62CA
P4KE68CA
P4KE75CA
P4KE82CA
P4KE91CA
P4KE100CA
P4KE110CA
P4KE120CA
P4KE130CA
P4KE150CA
P4KE160CA
P4KE170CA
P4KE180CA
P4KE200CA
P4KE220CA
P4KE250CA
P4KE300CA
P4KE350CA
P4KE400CA
P4KE440CA
P4KE480CA
P4KE510CA
P4KE530CA
P4KE540CA
P4KE550CA
5.80
6.40
7.02
7.78
8.55
9.40
10.20
11.10
12.80
13.60
15.30
17.10
18.80
20.50
23.10
25.60
28.20
30.80
33.30
36.80
40.20
43.60
47.80
53.00
58.10
64.10
70.10
77.80
85.50
94.00
102.00
111.00
128.00
136.00
145.00
154.00
171.00
185.00
214.00
256.00
300.00
342.00
376.00
408.00
434.00
451.00
460.00
468.00
6.45
7.13
7.79
8.65
9.50
10.50
11.40
12.40
14.30
15.20
17.10
19.00
20.90
22.80
25.70
28.50
31.40
34.20
37.10
40.90
44.70
48.50
53.20
58.90
64.60
71.30
77.90
86.50
95.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
190.00
209.00
237.00
285.00
332.00
380.00
418.00
456.00
485.00
503.50
513.00
522.50
7.14
7.88
8.61
9.55
10.50
11.60
12.60
13.70
15.80
16.80
18.90
21.00
23.10
25.20
28.40
31.50
34.70
37.80
41.00
45.20
49.40
53.60
58.80
65.10
71.40
78.80
86.10
95.50
105.00
116.00
126.00
137.00
158.00
168.00
179.00
189.00
210.00
231.00
263.00
315.00
368.00
420.00
462.00
504.00
535.00
556.50
567.00
577.50
For bidirectional type having VR of 10 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
Test
Current
IT
(mA)
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Clamping
Voltage
VC
@
(V)
Ipp
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.5
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
103.0
113.0
125.0
137.0
152.0
165.0
179.0
207.0
219.0
234.0
246.0
274.0
328.0
344.0
414.0
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
Maximum
Peak
Pulse Current
Ipp (A)
39.00
36.30
33.90
30.60
28.30
26.30
24.60
22.50
19.30
18.20
16.10
14.80
13.40
12.30
10.90
9.90
9.00
8.20
7.60
6.90
6.30
5.80
5.30
4.80
4.50
4.00
3.60
3.30
3.00
2.70
2.50
2.30
2.00
1.90
1.80
1.70
1.50
1.30
1.20
1.00
0.85
0.75
0.68
0.61
0.57
0.55
0.54
0.52
Maximum
Reverse
Leakage
IR @ VR(µA)
1000
500
200
50
10
5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Agency
Approval
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15

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Transient Voltage Suppression Diodes
Axial Leaded – 400W > P4KE series
I-V Curve Characteristics
Uni-directional
Bi-directional
Ipp
Vc VBR VR
IR VF
IT
V
Vc VBR VR
IT
IR
IR
IT
VR VBR Vc
V
Ipp
Ipp
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
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating Curve
Voltage Transients
Voltage Across TVS
Current Through TVS
100
10
1 Single die,400W
at 10x1000µs, 25°C
TJ initial =Tamb
stacked-die, 600W
at 10x1000µs, 25°C
Time
0.1
0.001
0.01
0.1
1
td-Pulse Width (ms)
10
continues on next page.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15

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Transient Voltage Suppression Diodes
Axial Leaded – 400W > P4KE series
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
Figure 3 - Peak Pulse Power Derating Curve
Figure 4 - Pulse Waveform
100
75
50
25
0
0 25 50 75 100 125 150 175 200
TJ - Initial Junction Temperature (ºC)
Figure 5 - Typical Junction Capacitance
10000
1000
100
10
Uni-direcƟonal V=0V
Bi-direcƟonal V=0V
Uni/Bi-direcƟonal
V=VR
150
100
50
tr=10µsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
( )Half Value
IPPM
IPPM
2
10/1000µsec. Waveform
as defined by R.E.A
0
0
td
1.0
2.0
t-Time (ms)
3.0
4.0
Figure 6 - Typical Transient Thermal Impedance
100
10
1
1
1
10 100 1000
VBR - Reverse Breakdown Voltage (V)
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
70
60
50
40
30
20
10
0
1 10 100
Number of Cycles at 60 Hz
0.1
0.01
0.1 1 10 100
TP - Pulse Duration (s)
1000
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
100.0
Single die
Stacked-die
10.0
1.0
0.1
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0
VF- Peak Forward Voltage(V)
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15

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Transient Voltage Suppression Diodes
Axial Leaded – 400W > P4KE series
Soldering Parameters
Reflow Condition
- Temperature Min (Ts(min))
Pre Heat - Temperature Max (Ts(max))
- Time (min to max) (ts)
Average ramp up rate (Liquidus Temp (TA)
to peak
TS(max) to TA - Ramp-up Rate
Reflow
- Temperature (TA) (Liquidus)
- Time (min to max) (ts)
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Do not exceed
Lead–free
assembly
150°C
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
260+0/-5 °C
20 – 40 seconds
6°C/second max
8 minutes Max.
260°C
Physical Specifications
Weight
Case
Polarity
Terminal
0.012oz., 0.3g
JEDEC DO-204AL (DO-41) molded
plastic body over passivated junction.
Color band denotes the cathode except
Bipolar.
Matte Tin axial leads, solderable per
JESD22-B102.
TP
TL
Ts(max)
Ts(min)
25˚C
Ramp-up
tp
tL
Critical Zone
TL to TP
ts
Preheat
Ramp-down
t 25˚C to Peak
Time (t)
Flow/Wave Soldering (Solder Dipping)
Peak Temperature :
Dipping Time :
Soldering :
260OC
5 seconds
1 time
Environmental Specifications
High Temp. Storage
HTRB
Temperature Cycling
H3TRB
RSH
JESD22-A103
JESD22-A108
JESD22-A104
JESD22-A101
JESD22-B106
Dimensions
D
A
Cathode Band
(for Uni-directional products only)
C
BA
DO-204AL (DO-41)
Dimensions
A
B
C
D
Inches
Min Max
1.000
-
0.160
0.205
0.028
0.034
0.080
0.107
Millimeters
Min Max
25.40
-
4.10 5.20
0.71 0.86
2.00 2.70
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15