© by SEMIKRON B 8 – 17
Rectifier Diodes
SKN 45 SKR 45
SKN 70 SKR 70
SKN 71 SKR 71
Features
•Reverse voltages up to 1600 V
•Hermetic metal cases with
glass insulators
•Threaded studs ISO M8
(SKN/R 71 also 1/4-28 UNF)
•SKN: anode to stud
SKR: cathode to stud
Typical Applications
•All-purpose mean power
rectifier diodes
•Cooling via heatsinks
•Non-controllable and
half-controllable rectifiers
•Free-wheeling diodes
V
RSM
I
FRMS
(maximum values for continuo u s operat ion)
V
RRM
80 A 150 A
I
FAV
(sin. 180; T
case
= . . .)
50 A (118 °C) 95 A (100 °C)
V
200 SKN45/02 SKR45/02 SKN70/02 SKR70/02 SKN71/02* SKR71/02*
400 SKN45/04 SKR45/04 SKN70/04 SKR70/04 SKN71/04* SKR71/04*
800 SKN45/08 SKR45/08 SKN70/08 SKR70/08 SKN71/08* SKR71/08*
1200 SKN45/12 SKR45/12 SKN70/12 SKR70/12 SKN71/12* SKR71/12*
1400 SKN45/14 SKR45/14 SKN70/14 SKR70/14 SKN71/14 SKR71/14*
1600 SKN45/16 SKR45/16 SKN70/16 SKR70/16 SKN71/16* SKR71/16*
Symbol Conditions SKN 45 SKN 70 SKN 71
SKR 45 SKR 70 SKR 71
I
FAV
sin. 180; T
case
= 100 °C 95 A
= 118 °C50 A
= 125 °C 45 A 70 A
I
FSM
T
vj
= 25 °C; 10 ms 700 A 1150 A
T
vj
= 180 °C; 10 ms 600 A 1000 A
i
2
tT
vj
= 25 °C; 8,3 ... 10 ms 2500 A
2
s 6600 A
2
s
T
vj
= 180 °C; 8,3 ... 10 ms 1800 A
2
s 5000 A
2
s
Q
rr
T
vj
= 160 °C; –
di
F
dt
= 10
A
µ
s
typ. 70 µC typ. 70 µC
I
R
T
vj
= 25 °C; V
R
= V
RRM
0,6 mA 0,6 mA
T
vj
= 180 °C; V
R
= V
RRM
10 mA 10 mA
V
F
T
vj
= 25 °C; (I
F
= . . .); max. 1,6 V (150 A) 1,5 V (200 A)
V
(TO)
T
vj
= 180 °C 0,85 V 0,85 V
r
T
T
vj
= 180 °C5 mΩ3 m Ω
R
thjc
0,85 °C/W 0,55 °C/W
R
thch
0,25 °C/W 0,2 °C/W
T
vj
– 40 ... + 180 °C
T
stg
– 55 ... + 180 °C
MM 8 SI units/ 4 Nm/35 lb. in.
1/4-28 UNF 2 A US units 2,5 Nm/22 lb. in.
a5
.
9,81 m/s
2
w approx. 30 g
RC (P
R
= . . .) 0,1 µ +100 Ω0,1 µF +100 Ω
(1 W) (2 W)
R
p
P
R
= 6 W 80 kΩ80 kΩ
Case E 12 E 12 E 11
* available with UNF thread 1/4-28 UN F 2 A; e.g. SKN 71/0 2 UN F