P4KE6.8 thru P4KE540A
Vishay General Semiconductor
®
TRANSZORB Transient Voltage Suppressors
FEATURES
• Glass passivated chip junction
• Availablein uni-directionaland bi-directional
• 400 W peak pulse power capability with a
10/1000 µs waveform, repetitive rate (duty
cycle): 0.01 %
• Excellent clamping capability
• Very fast response time
• Low incremental surge resistance
• Solder dip 260 °C, 40 s
DO-204AL (DO-41)
• 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.
PRIMARY CHARACTERISTICS
VBR uni-directional
6.8 V to 540 V
V
BR bi-directional
6.8 V to 440 V
400 W
PPPM
PD
1.5 W
MECHANICAL DATA
Case: DO-204AL, molded epoxy over passivated chip
Molding compound meets UL 94 V-0 flammability
rating
I
FSM (uni-directional only)
TJ max.
40 A
175 °C
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
DEVICES FOR BI-DIRECTION APPLICATIONS
For bi-direction use C or CA suffix (e.g. P4KE440CA).
Electrical characteristics apply in both directions.
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
MAXIMUM RATINGS (T = 25 °C unless otherwise noted)
A
PARAMETER
SYMBOL
PPPM
IPPM
LIMIT
400
UNIT
W
Peak power dissipation with a 10/1000 µs waveform (1) (Fig. 1)
Peak pulse current with a 10/1000 µs waveform (1)
See next table
1.5
A
Power dissipation on infinite heatsink at TL = 75 °C (Fig. 5)
Peak forward surge current, 8.3 ms single half sine-wave uni-directional only (2)
Maximum instantaneous forward voltage at 25 A for uni-directional only (3)
Operating junction and storage temperature range
PD
W
IFSM
40
A
VF
3.5/5.0
V
TJ, TSTG
- 55 to + 175
°C
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
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
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