by SEMIKRON
B 11 35
Power Bridge Rectifiers
SKB 50
SKD 50
SKB
SKD
Features
Isolated metal case with screw
terminals
Blocking voltage to 1600 V
High surge current
SKB = single phase bridge
rectifier
SKD = three phase bridge
rectifier
Easy chassis mounting
Typical Applications
Single and three phase
rectifiers for power supplies
Input rectifiers for variable
frequency drives
Rectifiers for DC motor field
supplies
Battery charger rectifiers
V
RSM
I
D
(T
case
= . . .)
V
RRM
50 A (64
C)
50 A (92
C)
Types
R
min
Types
R
min
V
200
SKB 50/02 A3
0,1
SKD 50/02 A3
0,1
400
SKB 50/04 A3
0,3
SKD 50/04 A3
0,2
800
SKB 50/08 A3
0,4
SKD 50/08 A3
0,4
1200
SKB 50/12 A3
0,6
SKD 50/12 A3
0,6
1400
SKB 50/14 A3
0,7
SKD 50/14 A3
0,7
1600
SKB 50/16 A3
0,8
SKD 50/16 A3
0,8
Symbol Conditions
SKB 50
SKD 50
Units
I
D
T
amb
= 45
C;isolated
1)
10
10
A
chassis
2)
20
22
A
P1A/120
34
40
A
T
amb
= 35
C;P1A/120 F
47
60
A
I
DCL
T
amb
= 45
C;isolated
1)
8
10
A
chassis
2)
16
22
A
P1A/120
29
40
A
T
amb
= 35
C;P1A/120 F
40
60
A
I
FSM
T
vj
= 25
C, 10 ms
750
A
T
vj
= 150
C, 10 ms
600
A
i
2
t
T
vj
= 25
C, 8,3...10 ms
2800
A
2
s
T
vj
= 150
C, 8,3...10 ms
1800
A
2
s
V
F
T
vj
= 25
C; I
F
= 150 A
1,6
V
V
(TO)
T
vj
= 150
C
0,85
V
r
T
T
vj
= 150
C
8
m
I
RD
T
vj
= 25
C; V
RD
= V
RRM
1
mA
T
vj
= 150
C; V
RD
= V
RRM
10
mA
t
rr
T
vj
= 25
C
typ. 10
s
f
G
2000
Hz
R
thjc
total
0,65
0,45
C/W
R
thch
total
0,06
0,06
C/W
R
thja
T
amb
= 35
C; P1A/120 F
0,9
0,7
C/W
isolated
1)
5,7
5,5
C/W
chassis
2)
2,5
2,3
C/W
P1A /120
1,3
1,1
C/W
T
vj
40...+ 150
C
T
stg
55...+ 150
C
V
isol
a.c. 50...60 Hz; r.m.s., 1 s / 1 min
3000 / 2500
V
RC
P
R
= 1 W
50
0,1
F
Fu
50
A
M
1
to heatsink
SI units
5
15 %
Nm
US units
44
15 %
lb. in.
M
2
to terminals
SI units
3
15 %
Nm
US units
26
15 %
lb. in.
w
250
g
Case
G 14
G 15
1)
Freely suspended or mounted on an insulator
2)
Mounted on a painted metal sheet of min. 250 x 250 x 1 mm
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