C&H Technology SD853C..S50K Series - Manual (Page 5)

Document Number: 93182 For technical questions, contact: [email protected] www.vishay.com
Revision: 14-May-08 5
SD853C..S50K Series
Fast Recovery Diodes
(Hockey PUK Version), 990 A
Vishay High Power Products
Fig. 7 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
Fig. 8 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
Fig. 9 - Forward Voltage Drop Characteristics
Fig. 10 - Thermal Impedance Z
thJ-hs
Characteristics
Fig. 11 - Typical Forward Recovery Characteristics
4000
6000
8000
10000
12000
14000
16000
18000
1 10 100
Number Of Equa l Amplitude Half Cyc le Current Pulses (N)
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
)
SD853C..S50K Series
Initial T = 125 °C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
50% Rated V Applied Following Surge
RRM
4000
6000
8000
10000
12000
14000
16000
18000
20000
0.01 0.1 1
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Pe
a
k
H
a
lf
S
in
e
W
a
v
e
F
o
rw
a
rd
C
u
rr
e
n
t (
A
)
SD853C..S50K Series
Initial T = 125°C
Versus Pulse Train Duration.
No Voltage Reapplied
50% Rated V Reapplied
RRM
J
100
1000
10000
1 2 3 4 5 6 7 8 9
T = 25°C
J
Instantaneous Forward Voltage (V)
In
st
an
ta
n
e
ou
s F
o
rw
ar
d C
u
rr
e
n
t (
A
)
T = 125°C
J
SD853C..S50K Series
0.0001
0.001
0.01
0.1
0.001 0.01 0.1 1 10 100
Square Wave Pulse Duration (s)
th
J-
h
s
Tr
a
n
si
e
n
t T
h
e
rm
a
l I
m
p
e
d
a
n
c
e
Z
(
K
/W
)
Steady State Value
R = 0.04 K/ W
(Single Side Cooled)
R = 0.02 K/ W
(Double Sid e Cooled)
(DC Operation)
thJ-hs
thJ-hs
SD853C..S50K Series
0
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Fo
rw
ar
d R
e
c
o
v
e
ry
(
V
)
T = 125°C
T = 25°C
J
J
SD853C..S50K Series
Rate Of Rise Of Forward Current - di/ dt (A/ us)
I
V
FP