Heatsinks

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101
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Manufacturers Part No.
(FK280MI247H)
Fischer Elektronik Attachable heatsinks FK 280 Copper 26mm 23mm
Customer Part No.
Customer Project No.
0 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available on order
(at least 100 or mul. of 100)
Fischer Elektronik
Attachable heatsinks
Copper
horizontal
TO-247
26.0 mm
23.0 mm
15.0 mm
18.5 K/W
102
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Manufacturers Part No.
(FK224MI2201)
Fischer Elektronik Attachable heatsinks FK 224 Aluminum Clip mounting 29,4mm 25mm
Customer Part No.
Customer Project No.
270 Pcs.
Next Stock Receipt
Week 24/2026
(550 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Attachable heatsinks
Aluminum
Clip mounting
vertical
TO-220
29.4 mm
25.0 mm
8.3 mm
18.0 K/W
103
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Manufacturers Part No.
(FK224MI2202)
Fischer Elektronik Attachable heatsinks FK 224 Aluminum Clip mounting 29,4mm 25mm
Customer Part No.
Customer Project No.
20 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Attachable heatsinks
Aluminum
Clip mounting
vertical
TO-220
29.4 mm
25.0 mm
8.3 mm
18.0 K/W
104
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Manufacturers Part No.
(FK252SA220V)
Fischer Elektronik Attachable heatsinks FK 252 Aluminum black 25,4mm 14,5mm
Customer Part No.
Customer Project No.
1.090 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
vertical
TO-220
25.4 mm
14.5 mm
13.51 mm
21.0 K/W
105
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Manufacturers Part No.
(FK237SA220H)
Fischer Elektronik Attachable heatsinks FK 237 Aluminum black 19,05mm 14,5mm
Customer Part No.
Customer Project No.
200 Pcs.
Next Stock Receipt
Week 24/2026
(200 Pcs.)
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
horizontal
TO-220
19.05 mm
14.5 mm
16.75 mm
21.0 K/W
106
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Manufacturers Part No.
(FK237SA220O)
Fischer Elektronik Attachable heatsinks FK 237 Aluminum black 19,05mm 14,5mm
Customer Part No.
Customer Project No.
840 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
N/A
TO-220
19.05 mm
14.5 mm
12.7 mm
21.0 K/W
107
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Manufacturers Part No.
(FK237SA220V)
Fischer Elektronik Attachable heatsinks FK 237 Aluminum black 25,4mm 14,5mm
Customer Part No.
Customer Project No.
400 Pcs.
Next Stock Receipt
Week 27/2026
(200 Pcs.)
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
vertical
TO-220
25.4 mm
14.5 mm
13.51 mm
21.0 K/W
108
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Manufacturers Part No.
(FK237SA220VL)
Fischer Elektronik Attachable heatsinks FK 237 Aluminum black 28,58mm 14,5mm
Customer Part No.
Customer Project No.
170 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
vertical
TO-220
28.58 mm
14.5 mm
13.51 mm
21.0 K/W
109
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Manufacturers Part No.
(FK241SA218V)
Fischer Elektronik Attachable heatsinks FK 241 Aluminum black 36,3mm 25,4mm
Customer Part No.
Customer Project No.
0 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available on order
(at least 100 or mul. of 100)
Fischer Elektronik
Attachable heatsinks
Aluminum
black
vertical
TO-218
36.3 mm
25.4 mm
12.7 mm
13.0 K/W
110
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Manufacturers Part No.
(FK243MI247V)
Fischer Elektronik Attachable heatsinks FK 243 Copper 32mm 20mm
Customer Part No.
Customer Project No.
45 Pcs.
Planned Delivery Time
Ø 11 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Copper
vertical
TO-218
TO-220
TO-247
TO-248
32.0 mm
20.0 mm
13.0 mm
18.4 K/W
111
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Manufacturers Part No.
(FK245MI247V)
Fischer Elektronik Attachable heatsinks FK 245 Copper 32mm 20mm
Customer Part No.
Customer Project No.
580 Pcs.
Planned Delivery Time
Ø 3 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Attachable heatsinks
Copper
vertical
TO-218
TO-220
TO-247
TO-248
32.0 mm
20.0 mm
9.0 mm
19.7 K/W
112
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Manufacturers Part No.
(ICKSMDA5SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 6,3mm 4,8mm
Customer Part No.
Customer Project No.
120 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
6.3 mm
4.8 mm
5.0 mm
123.0 K/W
113
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Manufacturers Part No.
(ICKSMDA8SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 6,3mm 4,8mm
Customer Part No.
Customer Project No.
90 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 1)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
6.3 mm
4.8 mm
8.0 mm
87.0 K/W
114
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Manufacturers Part No.
(ICKSMDA10SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 6,3mm 4,8mm
Customer Part No.
Customer Project No.
150 Pcs.
Next Stock Receipt
Week 27/2026
(50 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
6.3 mm
4.8 mm
10.0 mm
75.0 K/W
115
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Manufacturers Part No.
(ICKSMDA13SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 6,3mm 4,8mm
Customer Part No.
Customer Project No.
330 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
6.3 mm
4.8 mm
13.0 mm
63.0 K/W
116
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Manufacturers Part No.
(ICKSMDB5SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 19mm 4,8mm
Customer Part No.
Customer Project No.
0 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available on order
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
19.0 mm
4.8 mm
5.0 mm
56.0 K/W
117
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Manufacturers Part No.
(ICKSMDB7SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 19mm 4,8mm
Customer Part No.
Customer Project No.
160 Pcs.
Planned Delivery Time
Ø 13 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
19.0 mm
4.8 mm
7.0 mm
47.0 K/W
118
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Manufacturers Part No.
(ICKSMDB10SA)
Fischer Elektronik Standard extrudes heatsinks ICK SMD Aluminum black Bonding 19mm 4,8mm
Customer Part No.
Customer Project No.
230 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Bonding
N/A
DIP/DIL
PLCC
19.0 mm
4.8 mm
10.0 mm
35.0 K/W
119
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Manufacturers Part No.
(SK09-20SA220)
Fischer Elektronik Standard extrudes heatsinks SK 09 Aluminum black 20mm 29mm
Customer Part No.
Customer Project No.
1.915 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
N/A
TO-220
20.0 mm
29.0 mm
11.5 mm
15.0 K/W
120
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Manufacturers Part No.
(SK64-37SA1M3)
Fischer Elektronik Standard extrudes heatsinks SK 64 Aluminum black Screw mounting 25mm 29mm
Customer Part No.
Customer Project No.
1.305 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
Aluminum
black
Screw mounting
N/A
TO-220
25.0 mm
29.0 mm
12.0 mm
2.3 K/W
121
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Manufacturers Part No.
(SK5583E)
Assmann WSW Standard extrudes heatsinks V5583 Aluminum black Screw mounting 50mm 46mm
Customer Part No.
Customer Project No.
20 Pcs.
Next Stock Receipt
Week 24/2026
(200 Pcs.)
Available (from stock)
(at least 5 or mul. of 5)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
N/A
TO-220
50.0 mm
46.0 mm
33.0 mm
4.6 K/W
122
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Manufacturers Part No.
(SK400-37.5SA)
Fischer Elektronik Standard extrudes heatsinks SK400 black Bonding 37,5mm 29mm
Customer Part No.
Customer Project No.
175 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Bonding
N/A
37.5 mm
29.0 mm
12.0 mm
6.5 K/W
123
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Manufacturers Part No.
(SK452-37.5SA)
Fischer Elektronik Standard extrudes heatsinks SK452 black Bonding 29mm 25mm
Customer Part No.
Customer Project No.
20 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Bonding
N/A
29.0 mm
25.0 mm
37.5 mm
11.0 K/W
124
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Manufacturers Part No.
(SK454-75SA)
Fischer Elektronik Standard extrudes heatsinks SK454 black Bonding 21,45mm 19mm
Customer Part No.
Customer Project No.
90 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Bonding
N/A
21.45 mm
19.0 mm
75.0 mm
19.5 K/W
125
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Manufacturers Part No.
(SK470-100SA)
Fischer Elektronik Standard extrudes heatsinks SK470 black Bonding 11,8mm 8mm
Customer Part No.
Customer Project No.
425 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Bonding
N/A
11.8 mm
8.0 mm
100.0 mm
17.0 K/W