
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
V
RRM
I
D
(T
case
= ...)
17 A = (75
°
C)
20 A (73
°
C)
Types
R
min
0,1
0,15
0,3
0,5
0,7
1
1,2
1,5
Types
R
min
V
100
200
400
600
800
1200
1400
1600
SKB 25/01
SKB 25/02
SKB 25/04
SKB 25/06
SKB 25/08
SKB 25/12
SKB 25/14
SKB 25/16
–
–
SKD 25/02
SKD 25/04
–
SKD 25/08
SKD 25/12
SKD 25/14
SKD 25/16
0,15
0,3
–
0,7
1
1,2
1,5
Symbol Conditions
I
D
T
amb
= 45
°
C;
SKB 25
3,5
10
14
17
3
9,5
12
14
SKD 25
3,5
12
15
20
3,5
12
15
20
Units
A
A
A
A
A
A
A
A
A
A
A
2
s
A
2
s
V
V
m
mA
mA
μ
s
Hz
°
C/W
°
C/W
°
C/W
°
C/W
°
C/W
°
C/W
°
C
°
C
V
~
μ
F
A
Nm
lb. in.
g
isolated
1)
chassis
2)
R4A/120
P1A/120
isolated
1)
chassis
2)
R4A/120
P1A/120
I
DCL
T
amb
= 45
°
C;
I
FSM
T
vj
= 25
°
C, 10 ms
T
vj
= 150
°
C, 10 ms
T
vj
= 25
°
C, 8,3...10 ms
T
vj
= 150
°
C, 8,3...10 ms
T
vj
= 25
°
C; I
F
= 150 A
T
vj
= 150
°
C
T
vj
= 150
°
C
T
vj
= 25
°
C; V
RD
= V
RRM
T
vj
= 150
°
C; V
RD
= V
RRM
T
vj
= 25
°
C
370
320
680
500
2,2
0,85
12
0,3
5
typ. 10
2000
i
2
t
V
F
V
(TO)
r
T
I
RD
t
rr
f
G
R
thjc
R
thch
R
thja
total
total
isolated
1)
chassis
2)
R4A/120
P1A/120
2
1,75
0,15
15
4,7
3,6
2,75
T
vj
T
stg
V
isol
RC
– 40...+ 150
– 55...+ 150
3000 / 2500
50
0,1
20
2
±
15 %
18
±
15 %
24
G 10
a.c. 50...60 Hz; r.m.s.; 1 s/ 1 min
P
R
= 1 W
Fu
M
1
to heatsink
SI units
US units
w
Case
26
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