SD400N/R Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
04
08
SD400N/R
12
16
20
24
V
RRM
, maximum repetitive
peak reverse voltage
V
400
800
1200
1600
2000
2400
V
RSM
, maximum non-
repetitive peak rev. voltage
V
500
900
1300
1700
2100
2500
I
RRM
max.
@ T
J
= T
J
max.
mA
15
Forward Conduction
Parameter
I
F(AV)
I
F(AV)
Max. average forward current
@ Case temperature
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
SD400N/R
400
120
480
100
630
8250
8640
6940
7270
Units
A
°C
A
°C
A
Conditions
180° conduction, half sine wave
180° conduction, half sine wave
DC @ 110°C case temperature
t = 10ms
t = 8.3ms
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
A
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
I
2
t
Maximum I
2
t for fusing
340
311
241
220
KA s
2
t = 10ms
t = 8.3ms
I
2
√t
Maximum I
2
√t
for fusing
3400
0.80
KA
2
√s
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
r
f
2
V
FM
Low level value of forward
slope resistance
High level value of forward
slope resistance
Max. forward voltage drop
V
0.85
(I >
π
x I
F(AV)
),T
J
= T
J
max.
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
mΩ
0.51
1.62
V
(I >
π
x I
F(AV)
),T
J
= T
J
max.
I
pk
= 1500A, T
J
= T
J
max, t
p
= 10ms sinusoidal wave
0.55