by SEMIKRON
B 11 39
SEMIPONT
3
Power Bridge Rectifiers
SKB 52
SKD 62
SKB 72
SKD 82
SKB
SKD
Features
Robust plastic case with screw
terminals
Large, isolated base plate
Blocking voltage to 1800 V
High surge currents
SKB = single phase bridge
rectifier
SKD = three phase bridge
rectifier
Easy chassis mounting
UL recognized file no. E 63 532
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 (99
C)
70 A (101
C)
60 A (110
C)
80 A (110
C)
200 V
SKB 52/02
SKB 72/02
SKD 62/02
SKD 82/02
400 V
SKB 52/04
SKB 72/04
SKD 62/04
SKD 82/04
800 V
SKB 52/08
SKB 72/08
SKD 62/08
SKD 82/08
1200 V
SKB 52/12
SKB 72/12
SKD 62/12
SKD 82/12
1400 V
SKB 52/14
SKB 72/14
SKD 62/14
SKD 82/14
1600 V
SKB 52/16
SKB 72/16
SKD 62/16
SKD 82/16
1800 V
SKB 52/18
SKB 72/18
SKD 62/18*
SKD 82/18*
Symbol Conditions
SKB 52 SKD 62 SKB 72 SKD 82
I
D
T
case
= 110
C; resistive/
inductive load
42 A
60 A
60 A
80 A
T
amb
= 45
C,
isolated
1)
9,5 A
10,5 A
10 A
12 A
chassis
2)
21,5 A
24 A
23,5 A
26 A
P 1A/120
40 A
46 A
48 A
54 A
P 1A/200
45 A
53 A
54 A
63 A
I
FSM
T
vj
= 25
C, 10 ms
500 A
750 A
T
vj
= 150
C, 10 ms
425 A
640 A
i
2
t
T
vj
= 25
C, 8,3...10 ms
1250 A
2
s
2800 A
2
s
T
vj
= 150
C, 8,3...10 ms
900 A
2
s
2000 A
2
s
V
F
T
vj
= 25
C; I
F
= 150 A
1, 8 V
1,6 V
V
(TO)
T
vj
= 150
C
0,85 V
0,85 V
r
T
T
vj
= 150
C
8 m
5 m
I
RD
T
vj
= 25/150
C; V
RD
= V
RRM
0,5 / 5 mA
0,5 / 6 mA
R
thjc
per diode
1,5
C/W
1,1
C/W
total, SKB
0,375
C/W
0,275
C/W
total, SKD
0,25
C/W
0,183
C/W
R
thch
total
0,07
C/W
T
vj
40 . . . + 150
C
T
stg
40 . . . + 125
C
V
isol
a.c. 50...60 Hz;r.m.s.;1s/1min
3600 V
/ 3000 V
M
1
case to heatsink
SI units/
5 Nm/44 lb. in.
15 %
M
2
busbars to
US units
5 Nm/44 lb. in.
15 %
terminals
w
165 g
Case
G 35
G 36
G 35
G 36
1)
Freely suspended or mounted on an isolator
2)
Mounted on a painted metal sheet of minimum 250 x 250 x 1 mm: R
thha
= 1,8
C/W
* Available in limited quantities
0896
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