by SEMIKRON
B 11 19
Power Bridge Rectifiers
SKB 25
SKD 25
SKB
SKD
Features
Square plastic case with
isolated metal base plate and
fast-on connectors
Blocking voltage to 1600 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
17 A = (75
C)
20 A (73
C)
Types
R
min
Types
R
min
V
100
SKB 25/01
0,1
200
SKB 25/02
0,15
SKD 25/02
0,15
400
SKB 25/04
0,3
SKD 25/04
0,3
600
SKB 25/06
0,5
800
SKB 25/08
0,7
SKD 25/08
0,7
1200
SKB 25/12
1
SKD 25/12
1
1400
SKB 25/14
1,2
SKD 25/14
1,2
1600
SKB 25/16
1,5
SKD 25/16
1,5
Symbol Conditions
SKB 25
SKD 25
Units
I
D
T
amb
= 45
C;
isolated
1)
3,5
3,5 A
chassis
2)
10
12
A
R4A/120
14
15
A
P1A/120
17
20
A
I
DCL
T
amb
= 45
C;
isolated
1)
3
3,5
A
chassis
2)
9,5
12
A
R4A/120
12
15
A
P1A/120
14
20
A
I
FSM
T
vj
= 25
C, 10 ms
370
A
T
vj
= 150
C, 10 ms
320
A
i
2
t
T
vj
= 25
C, 8,3...10 ms
680
A
2
s
T
vj
= 150
C, 8,3...10 ms
500
A
2
s
V
F
T
vj
= 25
C; I
F
= 150 A
2,2
V
V
(TO)
T
vj
= 150
C
0,85
V
r
T
T
vj
= 150
C
12
m
I
RD
T
vj
= 25
C; V
RD
= V
RRM
0,3
mA
T
vj
= 150
C; V
RD
= V
RRM
5
mA
t
rr
T
vj
= 25
C
typ. 10
s
f
G
2000
Hz
R
thjc
total
2
1,75
C/W
R
thch
total
0,15
C/W
R
thja
isolated
1)
15
C/W
chassis
2)
4,7
C/W
R4A/120
3,6
C/W
P1A/120
2,75
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
20
A
M
1
to heatsink
SI units
2
15 %
Nm
US units
18
15 %
lb. in.
w
24
26
g
Case
G 10
G 11
1)
Freely suspended or mounted on an insulator
2)
Mounted on a painted metal sheet of min. 250 x 250 x 1 mm
0896
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