© 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 pre cious me tal
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
tT
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 µC 600 µC 2000 µC
I
FM
= 500 A;
I
RM
–
di
F
dt
= 10
A
µ
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 mΩ0,6 mΩ0,33 mΩ
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 µF + 20 Ω
R
p
P
R
= 20 W 25 kΩ
Case E 18 E 19
© by SEMIKRONB 8 – 30
© by SEMIKRON B 8 – 31
© by SEMIKRONB 8 – 32
© by SEMIKRONB 8 – 28 0898
SKN 320
SKR 320
Case E 16
IEC: A 22 B
DIN 41 88 8: 107 B
SK N 40 0
Case E 17
IEC: A 22 B
DIN 41 888 : 107 B 2
SKN 450
SKN 501
Case E 18
DIN 41 81 4: 151 A 2
JEDEC: DO-200 AA
SK N 87 0
Case E 19
DIN 41 814 : 153 C 2
JEDEC: DO-200 AB
Dimensions in mm
