by SEMIKRON
B 11 15
Power Bridge Rectifiers
SKB B . . /. .-4
SKBa B . ./. .-4
SKB 15
Features
Square plastic case with screw
terminals
Blocking voltage to 1600 V
SKB 15 with metal baseplate for
improved heat transfer
SKBa with avalanche
characteristics
Typical Applications
Internal power supplies for
electronic equipment
Electronic control equipment
DC motors
Field rectifiers for DC motors
Battery charger rectifiers
Avalanche type for inductive
loads:
Solenoids,
Motor brakes
Symbol Conditions
SKB.. -4
SKB 15
Units
SKBa.. -4
I
D
T
amb
= 45
C;isolated
1)
5
5
A
chassis
2)
5
11
A
P5A/100
17
A
I
DCL
T
amb
= 45
C;isolated
1)
4
4
A
chassis
2)
4
9
A
P5A/100
14
A
I
FSM
T
vj
= 25
C, 10 ms
180
370
A
T
vj
= 150
C, 10 ms
150
320
A
i
2
t
T
vj
= 25
C, 8,3...10 ms
160
680
A
2
s
T
vj
= 150
C, 8,3...10 ms
110
500
A
2
s
P
RSM
t
p
= 10
s; avalanche type
3000
W
V
F
Tvj = 25
C; I
F
= 80 A
2,65
V
I
F
= 150 A
2,2
V
V
(TO)
T
vj
= 150
C
0,8
0,85
V
r
T
T
vj
= 150
C
24
12
m
I
RD
T
vj
= 25
C; V
RD
= V
RRM
0,1
0,3
mA
V
RD
= V
(BR)min
10
A
T
vj
= 150
C; V
RD
= V
RRM
0,6
5
mA
t
rr
T
vj
= 25
C
typ. 10
s
f
G
2000
Hz
R
thjc
total
1
C/W
R
thch
total
0,3
C/W
R
thja
isolated
1)
13
12
C/W
chassis
2)
4,3
C/W
P5A/100
2,7
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
20 ... 50
20 ... 50
10
100
nF
Fu
6
20
A
M
1
to heatsink
SI units
1,5
15 %
Nm
US units
13
15 %
lb. in.
M
2
to terminals
SI units
1
15 %
Nm
US units
9
15 %
lb. in.
w
60
65
g
Case
G 8
G 9
1)
Freely suspended or mounted on an insulator
2)
Mounted on a painted metal sheet of min. 250 x 250 x 1 mm
V
RSM
V
VRMS
I
D
V
RRM
5 A (T
amb
= 45
C)
15 A (T
case
= 117
C)
Types
R
min
Types
R
min
V
V
200
60
SKB 15/02 A2
0,15
400
125
SKB B 80/70-4 0,5
SKB 15/04 A2
0,3
800
250
SKB B 250/220-4
1
SKB 15/08 A2
0,5
1200
380
SKB B 500/445-4
2
SKB 15/12 A2
0,75
1400
440
SKB 15/14 A2
0,9
1600
500
SKB 15/16 A2
1
V
(BR)
V
VRMS
Avalanche Type
min
V
1300
500
SKBa B 500/445-4
2
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