1N5908
SM5908
TRANSIL
TM
UNIDIRECTIONAL TRANSIL DIODE
PEAK PULSE POWER : 1500 W (10/1000µs)
REVERSESTAND OFF VOLTAGE: 5 V
LOW CLAMPINGFACTOR
FAST RESPONSETIME
UL RECOGNIZED
FEATURES
CB429 SMC
Symbol Parameter Value Unit
P
PP
Peakpulse power dissipation (see note1) Tj initial = T
amb
1500 W
P Power dissipationon infiniteheatsink T
amb
=75°C5W
I
FSM
Non repetitive surge peak forward current
for unidirectionaltypes
t
p
= 10ms
T
j
initial= T
amb
200 A
T
stg
Tj
Storage temperaturerange
Maximum junction temperature
- 65 to + 175
175
°C
°C
T
L
Maximum lead temperaturefor soldering
during10s (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
The1N5908and SM5908are dedicatedto the 5 V
logicc ir c ui tprotec ti on(TT L andCMO Stechnologi es ).
Their low clamping voltage at high current level
guarantees excellent protection for sensitive
components.
August 1999 Ed : 2A
Symbol Parameter Value Unit
R
th (j-l)
Junctionto leads 20 °C/W
R
th (j-a)
Junctionto ambient
on printed circuit.
L lead = 10 mm
CB429 75 °C/W
On recommended pad layout
SMC 75 °C/W
THERMAL RESISTANCES
1/6
