by SEMIKRON
B 8 29
Rectifier Diodes
SKN 450
SKN 501
SKN 870
Features
Reverse voltages up to 3000 V
Capsule type metal-ceramic
packages with precious metal
pressure contacts
Contact diameters 19 and
32 mm
Typical Applications
All-purpose high power rectifier
diodes
SKN 870: High voltage grades
available for industrial high
power drives and medium
traction applications
Cooling via heatsinks
(double or single sided)
Non-controllable and
half-controllable rectifiers
Free-wheeling diodes
V
RSM
I
FAV
(sin. 180; T
case
= 85
C)
V
RRM
V
500 A
720 A
1110 A
400
SKN 501/04
SKN 870/04
800
SKN 501/08
1200
SKN 501/12
SKN 870/12
1400
SKN 501/14
1600
SKN 501/16
SKN 870/16
1800
SKN 450/18
SKN 501/18
2000
SKN 450/20
2200
SKN 450/22
2400
SKN 870/24
Symbol Conditions
SKN 450
SKN 501
SKN 870
I
FAV
sin. 180; DSC;
(T
case
= . . .)
450 A (95
C)
500 A (125
C)
870 A (105
C)
I
FSM
T
vj
= 25
C;
10 ms
6 000 A
7 000 A
13 000 A
T
vj max.
; 10 ms
5 000 A
6 000 A
10 500 A
i
2
t
T
vj
= 25
C;
8,3 . . . 10 ms
180 000 A
2
s
245 000 A
2
s
850 000 A
2
s
T
vj max.
;
8,3 . . . 10 ms
125 000 A
2
s
180 000 A
2
s
550 000 A
2
s
Q
rr
T
vj
=140
C;
700
C
600
C
2000
C
I
FM
= 500 A;
I
RM
di
F
dt
= 10
A
s
60 A
30 A
100 A
typ.
I
R
T
vj
= 25
C;
V
R
= V
RRM
2 mA
2 mA
4 mA
T
vj max
;
V
R
= V
RRM
20 mA
50 mA
40 mA
V
F
T
vj
= 25
C;
1,8 V
1,65 V
1,85 V
(I
F
= . . .); max.
(1500 A)
(1500 A)
(3000 A)
V
(TO)
T
vj max.
0,85 V
0,80 V
0,85 V
r
T
T
vj max.
0,7 m
0,6 m
0,33 m
R
thjc
DSC/SSC
0,075/0,15
C/W
0,033/
(Double-sided
0,066
C/W
R
thch
cooling/single
0,02/0,04
C/W
0,007/
sided cooling)
0,014
C/W
T
vj
40 ... + 150
C 40 ... + 180
C 40 ... + 150
C
T
stg
40 ... + 150
C 40 ... + 180
C 40 ... + 150
C
F
SI units
4 ... 5 kN
13,5 ... 16,5 kN
US units
900 ... 1100 lbs.
3000 ... 3500 lbs.
w
approx.
51 g
230 g
RC
P
R
= 2 W
1
F + 20
R
p
P
R
= 20 W
25 k
Case
E 18
E 19
by SEMIKRON
B 8 28
0898
SKN 320
SKR 320
Case E 16
IEC: A 22 B
DIN 41 888: 107 B
SKN 400
Case E 17
IEC: A 22 B
DIN 41 888: 107 B 2
SKN 450
SKN 501
Case E 18
DIN 41 814: 151 A 2
JEDEC: DO-200 AA
SKN 870
Case E 19
DIN 41 814: 153 C 2
JEDEC: DO-200 AB
Dimensions in mm