TransientVoltage Suppression Diodes
Axial Leaded – 400W > P4KE series
Pb e3
RoHS
P4KE Series
Description
Bi-directional
The P4KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Uni-directional
Features
• 400W peak pulse
• Typical IR less than 1μA
when VBR min>12V
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 BV min
• Excellent clamping
capability
•Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
• 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%)
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
PPPM
Value
400
Unit
W
Peak Pulse Power Dissipation by
10/1000μsTest Waveform (Fig.2)
(Note 1), (Note 4)
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
Steady State Power Dissipation on
Infinite Heat Sink atTL=75ºC
PD
1.5
60
W
A
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
30kV(Air), 30kV (Contact) • Pb-free E3 means 2nd
IFSM
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only (Note 3)
VF
3.5/5.0
V
Operating Junction and Storage
Temperature Range
TJ, TSTG -55 to 175 °C
TypicalThermal Resistance Junction
to Lead
°C/W
RθJL
RθJA
60
• Low incremental surge
resistance
TypicalThermal Resistance Junction
to Ambient
°C/W
100
Notes:
Applications
1. Non-repetitive current pulse , per Fig. 4 and derated aboveTJ (initial) =25OC per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
TVS devices are ideal for the protection of I/O interfaces,
CC bus and other vulnerable circuits used in telecom,
V
3. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
computer, industrial and consumer electronic applications.
4. The PPPM of stacked-die parts is 600W and please contact littelfuse for the detail
stacked-die parts.
Functional Diagram
Additional Infomarion
Bi-directional
Datasheet
Samples
Resources
Cathode
Anode
Uni-directional
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15