P4KE6.8 thru P4KE540A
Vishay General Semiconductor
Document Number: 88365
Revision: 22-Oct-08
For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com
1
TRANSZORB Transient Voltage Suppressors
FEATURES
Glass passivated chip junction
Available in uni-directional and bi-directional
400 W peak pulse power capability with a
10/1000 s waveform, repetitive rate (duty
cycle): 0.01 %
Excellent clamping capability
Very fast response time
Low incremental surge resistance
Solder dip 260 °C, 40 s
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on ICs, MOSFET, signal lines of sensor units
for consumer, computer, industrial, automotive and
telecommunication.
MECHANICAL DATA
Case: DO-204AL, molded epoxy over passivated chip
Molding compound meets UL 94 V-0 flammability
rating
Base P/N-E3 - RoHS compliant, commercial grade
Base P/NHE3 - RoHS compliant, high reliability/
automotive grade (AEC Q101 qualified)
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD22-B102
E3 suffix meets JESD 201 class 1A whisker test, HE3
suffix meets JESD 201 class 2 whisker test
Note: P4KE250 ~ P4KE540A and P4KE250C ~ P4KE440CA for
commercial grade only
Polarity: For uni-directional types the color band
denotes cathode end, no marking on bi-directional
types
DEVICES FOR BI-DIRECTION APPLICATIONS
For bi-direction use C or CA suffix (e.g. P4KE440CA).
Electrical characteristics apply in both directions.
PRIMARY CHARACTERISTICS
VBR uni-directional
6.8 V to 540 V
VBR bi-directional
6.8 V to 440 V
PPPM
400 W
PD
1.5 W
IFSM (uni-directional only)
40 A
TJ max.
175 °C
DO-204AL (DO-41)
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 °C per Fig. 2
(2) Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
(3) VF = 3.5 V for P4KE220(A) and below; VF = 5.0 V for P4KE250(A) and above
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
LIMIT
UNIT
Peak power dissipation with a 10/1000 s waveform (1) (Fig. 1)
PPPM
400
W
Peak pulse current with a 10/1000 s waveform (1)
IPPM
See next table
A
Power dissipation on infinite heatsink at TL = 75 °C (Fig. 5)
PD
1.5
W
Peak forward surge current, 8.3 ms single half sine-wave uni-directional only (2)
IFSM
40
A
Maximum instantaneous forward voltage at 25 A for uni-directional only (3)
VF
3.5/5.0
V
Operating junction and storage temperature range
TJ, TSTG
- 55 to + 175
°C