© 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 mot or 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
VΩΩ
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 1SKD 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)
33,5A
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
tT
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 °C12mΩ
I
RD
T
vj
= 25 °C; V
RD
= V
RRM
0,3 mA
T
vj
= 150 °C; V
RD
= V
RRM
5mA
t
rr
T
vj
= 25 °Ctyp. 10µs
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 Ω
0,1 µF
Fu 20 A
M
1
to heatsink SI units 2 ± 15 % Nm
US units 18 ± 15 % lb. in.
w2426g
Case G 10 G 11
1)
Freely suspended or mounted on an insulator
2)
Mounted on a painted m et al sheet of min. 250 x 250 x 1 mm
0896
© by SEMIKRONB 1 1 – 20 http://store.iiic.cc/
© by SEMIKRON B 11 – 21
http://store.iiic.cc/
© by SEMIKRONB 1 1 – 22 http://store.iiic.cc/
