1.5KE6.8 thru 1.5KE540A, 1N6267 thru 1N6303
Vishay General Semiconductor
TRANSZORB® Transient Voltage Suppressors
FEATURES
• Glass passivated chip junction
• Available in Unidirectional and Bidirectional
• 1500 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 seconds
Case Style 1.5KE
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
MAJOR RATINGS AND CHARACTERISTICS
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.
V(BR) Unidirectional
6.8 V to 540 V
6.8 v to 440 V
1500 W
V
(BR) Bidirectional
PPPM
PD
6.5 W
I
FSM (Unidirectional only)
Tj max.
200 A
MECHANICAL DATA
175 °C
Case: Molded epoxy body over passivated junction
Epoxy meets UL 94V-0 flammability rating
Terminals: Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade, HE3 suffix for high
reliability grade (AEC Q101 qualified)
DEVICES FOR BIDIRECTION APPLICATIONS
For bidirectional types, use
(e.g. 1.5KE440CA).
C
or CA suffix
Electrical characteristics apply in both directions.
Polarity: For unidirectional types the color band
denotes cathode end, no marking on bidirectional
types
MAXIMUM RATINGS (T = 25 °C unless otherwise noted)
A
PARAMETER
SYMBOL
LIMIT
1500
UNIT
Peak pulse power dissipation with a 10/1000 µs waveform (1) (Fig. 1)
PPPM
W
Peak pulse current with a 10/1000 µs waveform (1)
IPPM
PD
see next table
A
W
A
Power dissipation on infinite heatsink at TL = 75 °C (Fig. 5)
6.5
200
(2)
IFSM
Peak forward surge current 8.3 ms single half sine-wave unidirectional only
Maximum instantaneous forward voltage at 100 A for unidirectional only (3)
VF
3.5/5.0
V
Operating junction and storage temperature range
TJ, TSTG
- 55 to + 175
°C
Note:
(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 1.5KE220 (A) & below; VF = 5.0 V for 1.5KE250(A) & above
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Document Number: 88301
Revision: 08-May-07