FISCHER ELEKTRONIK SK 409/25.4 220A Datasheet

A
B
Extruded heatsinks for PCB mounting
– for semiconductor clip-mounting – special lengths and transistor drillings on request – P = raised retaining stud, E = mounting method
C
D
E
F
P
45
26,2
3
12,7
6 max.
… STC … STIC … STCB
4,5 max.
Ø 2,3 max.
3
Ø 6
Ø 2,3 max.
14
9
6
Rth[K/W][mm]art. no.
TO 220/ TO 3 P8.225.4SK 409 25,4 ... TO 220/ TO 3 P7.038.1SK 409 38,1 ... TO 220/ TO 3 P6.250.8SK 409 50,8 ... TO 220/ TO 3 P5.663.5SK 409 63,5 ...
... mouting methodplease indicate:
with solder pin=STC with solder pin and insulating washer=STIC with threaded bolt M3, brass=STCB
black anodisedsurface:
Ø2,8
15
16,5 25,8
35,5
6,5
1,5
Ø 7
M 3
E
G
H
K
L
– for semiconductor screw-mounting – special lengths and transistor drillings on request – E = mounting method
3,2
45
26,2
3
12,7
6 max.
I
… STS … STIS
4,5 max.
Ø 2,3 max.
3
25,4
Ø 6
Ø 2,3 max.
18,3
12,5
… STSB
15
35,5
6,5
1,5
E
Ø 7
M 3
6
Rth[K/W][mm]art. no.
TO 220/ TO 3 P8.225.4SK 409 25,4 ... TO 220/ TO 3 P7.038.1SK 409 38,1 ... TO 220/ TO 3 P6.250.8SK 409 50,8 ... TO 220/ TO 3 P5.663.5SK 409 63,5 ...
... mouting methodplease indicate:
with solder pin=STS with solder pins and insulating washer=STIS with threaded bolt M3, brass=STSB
black anodisedsurface:
M
N
A99
E32Miniature distance sleevesA 117 – 119Lock-in transistor fixing spring E21–22Thermal conductive glueA91Profiles for PCB components E19–20Thermal conductive pasteE39Vibration dampers A2–7Technical introductionA92Heatsinks with threaded rail
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