1N5908
SM5908
TRANSIL
TM

UNIDIRECTIONAL TRANSIL DIODE
PEAK PULSE POWER : 1500 W (10/1000µs)
REVERSE STAND OFF VOLTAGE: 5 V
LOW CLAMPING FACTOR
FAST RESPONSE TIME
UL RECOGNIZED
FEATURES
CB429 SMC
Symbol Parameter Value Unit
PPP Peak pulse power dissipation (see note1) Tj initial = Tamb 1500 W
P Power dissipationon infinite heatsink Tamb =75°C5
I
FSM
Non repetitive surge peak forward current
for unidirectionaltypes
t
p
= 10ms
Tj initial = Tamb
200 A
T
stg
Tj
Storage temperaturerange
Maximum junction temperature
- 65 to + 175
175
°C
°C
T
L
Maximum lead temperaturefor soldering
during 10s (at 5mm from case for CB429)
CB429
SMC
230
260
°C
°C
Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit.
ABSOLUTE MAXIMUM RATINGS (T
amb
=25°C).
DESCRIPTION
The 1N5908 and SM5908 are dedicated to the 5 V
logiccircuitprotection(TTL and CMOStechnologies).
Their low clamping voltage at high current level
guarantees excellent protection for sensitive
components.
August 1999 Ed : 2A
Symbol Parameter Value Unit
Rth (j-l) Junction to leads 20 °C/W
Rth (j-a) Junction to ambient
on printed circuit.
L lead = 10 mm
CB429 75 °C/W
On recommended pad layout
SMC 75 °C/W
THERMAL RESISTANCES
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