1.5KE6.8 thru 1.5KE540A, 1N6267 thru 1N6303
Vishay Semiconductors
TRANSZORB Transient Voltage Suppressors
Major Ratings and Characteristics
V(BR) Unidirectional
6.8 V to 540 V
6.8 v to 440 V
1500 W
V
(BR) Bidirectional
PPPM
PM(AV)
6.5 W
I
FSM (Unidirectional only)
Tj max.
200 A
175 °C
Case Style 1.5KE
Features
• Glass passivated chip junction
• Available in Unidrectional 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
Mechanical Data
Case: Molded plastic body over passivated junction
Epoxy meets UL-94V-0 Flammability rating
Terminals: Matte tin plated (E3 Suffix) leads, solder-
able per J-STD-002B and MIL-STD-750, Method
2026
Polarity: For unidirectional types the color band
denotes cathode end, no marking on bidirectional
types
• Low incremental surge resistance
• Meets MSL level 1, per J-STD-020C
• AEC-Q101 qualified
Typical Applications
Use in sensitive electronics protection against voltage
Devices for bidirection Applications
transients induced by inductive load switching and For bidirectional types, use C or CA suffix for types
lighting on ICs, MOSFET, signal lines of sensor units (e.g. 1.5KE440CA).
for consumer, computer, industrial, automotive, and
Telecommunication
Electrical characteristics apply in both directions.
Maximum Ratings
(TA = 25 °C unless otherwise noted)
Parameter
Symbol
PPPM
Limit
1500
Unit
W
Peak pulse power dissipation with a 10/1000 µs waveform(1) (Fig. 1)
Peak pulse current with a 10/1000 µs waveform(1)
Steady state power dissipation lead lengths 0.375“ (9.5 mm)(2)
TL = 75 °C
IPPM
See Next Table
6.5
A
PM(AV)
W
,
Peak forward surge current 8.3 ms single half sine-wave unidirectional
only(3)
IFSM
200
A
Maximum instantaneous forward voltage at 100 A for unidirectional only(4)
Operating junction and storage temperature range
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) Mounted on copper pad area of 1.6 x 1.6" (40 x 40 mm) per Fig. 5
(3) Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
(4) VF = 3.5 V for 1.5KE220(A) & below; VF = 5.0 V for 1.5KE250(A) & above
Document Number 88301
03-Mar-05
www.vishay.com
1