by SEMIKRON
B 11 37
V
RRM
V
RSM
V
VRMS
I
D
(T
case
= 125
C)
50
1)
A
V
V
V
400
800
1200
1400
1600
1800
500
900
1300
1500
1700
1900
125
250
380
440
500
570
SKD 51/04
SKD 51/08
SKD 51/12
SKD 51/14
SKD 51/16
SKD 51/18*
Symbol
Conditions
SKD 51
Units
I
D
, I
DCL
Tcase = 125
C
T
amb
= 45
C; isolated
2)
chassis
3)
R4A/120
P5A/100
P1A/120
50
1)
7
18
27
31
52
A
A
A
A
A
A
I
FSM
T
vj
= 25
C, 10 ms
T
vj
= 150
C, 10 ms
775
700
A
A
i
2
t
T
vj
= 25
C, 8,3...10 ms
T
vj
= 150
C, 8,3...10 ms
3000
2450
A
2
s
A
2
s
V
F
T
vj
= 25
C; I
F
= 75 A
1,45
V
V
(TO)
T
vj
= 150
C
0,8
V
r
T
Tvj = 150
C
8,5
m
I
RD
Tvj = 25
C; V
RD
= V
RRM
T
vj
= 150
C; V
RD
= V
RRM
0,2
4
mA
mA
t
rr
T
vj
= 25
C; I
F
= I
R
= 1A
typ. 5
s
f
G
2000
Hz
R
thjc
per diode
1,1
C/W
total
0,183
C/W
R
thch
total
0,1
C/W
R
thja
isolated
2)
chassis
3)
P5A/100
R4A/120
P1A/120
9
3,15
1,8
1,15
0,883
C/W
C/W
C/W
C/W
C/W
T
vj
40...+ 150
C
T
stg
40...+ 125
C
V
isol
a.c. 50 Hz; r.m.s.; 1 s
1 min
3600
3000
V
V
RC
P
R
= 1 W
50
0,1
F
M
1
case to heatsink SI units
US units
4,5
15 %
40
15 %
Nm
lb. in.
w
97
g
Case
G 51
*
available in limited quqntities
1)
For solder connection.
Permissible current for plug connection see DIN IEC 760E
and DIN 46249 part 1
2)
Freely suspended or mounted on an insulator
3)
Mounted on a painted metal sheet of min. 250 x 250 x 1 mm
Power Bridge Rectifiers
SKD 51
Features
Glass passivated silicon chips
Fast-on terminals for pcb solder
or plug-on connection
Sturdy isolated metal base plate
Low thermal impedance
through use of direct copper
bonded aluminum substrate
(DCB)
Blocking voltage up to 1800 V
High surge currents
UL recognized, file no. E63 532
Typical Applications
Three phase rectifiers for
power supplies
Input rectifiers for variable
frequency drives
Rectifiers for DC motor field
supplies
Battery charger rectifiers
0896
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