C&H Technology SD400N-R Series - Manual (Page 5)

www.vishay.com For technical questions, contact: [email protected] Document Number: 93548
4 Revision: 17-Apr-08
SD400N/R Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 400 A
Fig. 4 - Forward Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - Forward Voltage Drop Characteristics
10 30 50 70 90 110 130 150 170 190
Maximum Allowable Ambient Temperature (°C)
0.2
K/
W
0.3
K/ W
0.4
K/W
0.6 K
/ W
1 K/W
R
=
0
.0
4
K / W
- D
e lta
R
th
SA 0.1
K/
W
1.8 K/W
0
100
200
300
400
500
600
700
800
0 100 200 300 400 500 600 700
DC
180°
120°
90°
60°
30°
RMS Limit
Conduc tion Period
Ma
x
im
u
m
A
v
e
ra
g
e
F
o
rw
a
rd
P
o
w
e
r L
o
ss
(
W
)
Average Forward Current (A)
SD400N/ R Series
T = 190°C
J
2000
3000
4000
5000
6000
7000
8000
1 10 100
Number Of Eq ua l Amp litud e Ha lf Cycle Current Pulses (N)
P
e
ak
H
a
lf
S
in
e
W
a
v
e
F
o
rw
ar
d
C
u
rr
e
n
t (
A
)
SD400N/ R Series
Initial T = 190°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
1000
2000
3000
4000
5000
6000
7000
8000
9000
0.01 0.1 1
Pulse Train Duration (s)
P
e
a
k
H
a
lf
S
in
e
W
a
v
e
F
o
rw
a
rd
C
u
rr
e
n
t (
A
)
Versus Pulse Train Duration.
Maximum Non Repetitive Surge Current
Initial T = 190°C
No Voltage Reapplied
Rated V Reapplied
RRM
J
SD400N/ R Series
100
1000
10000
0.5 1 1.5 2 2.5
T = 25°C
J
Instantaneous Forward Voltage (V)
In
st
an
ta
n
e
o
u
s F
o
rw
ar
d
C
u
rr
en
t (A
) SD400N/ R Series
T = 190°C
J