Datasheet

© 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
tT
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 °C8 mΩ5 mΩ
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
w165 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