Datasheet

1N5908, SM5908 Characteristics
Doc ID 2914 Rev 3 3/9
Table 3. Electrical characteristics - parameter values (T
amb
= 25 °C)
Order code
I
RM
@V
RM
V
BR
@I
R
(1)
1. Pulse tes: t
p
< 50 ms
V
CL
@I
PP
,
10/1000 µs
V
CL
@I
PP
,
10/1000 µs
V
CL
@I
PP
,
10/1000 µs
αT
(2)
2. To calculate V
BR
or V
CL
versus junction temperature, use the following formulas:
V
BR
@ T
J
= V
BR
@ 25°C x (1 + αT x (T
J
– 25))
V
CL
@ T
J
= V
CL
@ 25°C x (1 + αT x (T
J
– 25))
C
max min max max max max typ
µA V V mA V A
(3)
3. Surge capability given for both directions
VA
(3)
VA
(3)
10-4/ °C pF
1N5908
300 5 6 1 7.6 30 8 60 8.5 120 5.7 9500
SM5908
Figure 3. Peak pulse power dissipation
versus initial junction temperature
Figure 4. Peak pulse power versus
exponential pulse duration
(T
j
initial = 25 °C)
P
pp
(
W
)
0
500
1000
1500
2000
0 25 50 75 100 125 150 175 200
T
j
(°C)
0.1
1.0
10.0
100.0
1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01
P
PP
(kW)
T
j
initial = 25 °C
t
P
(ms)