Heatsinks

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126
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Manufacturers Part No.
(SK508-100SA)
Fischer Elektronik Standard extrudes heatsinks SK508 black Bonding 100mm 25mm
Customer Part No.
Customer Project No.
96 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 2 or mul. of 1)
Fischer Elektronik
Standard extrudes heatsinks
black
Bonding
N/A
100.0 mm
25.0 mm
100.0 mm
2.0 K/W
127
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Manufacturers Part No.
(SK29-25S)
Assmann WSW Standard extrudes heatsinks V6560 Aluminum black Screw mounting 25mm 29mm
Customer Part No.
Customer Project No.
3.132 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 29 or mul. of 29)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
TO-220
25.0 mm
29.0 mm
12.0 mm
10.0 K/W
128
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Manufacturers Part No.
(SK29-38S)
Assmann WSW Standard extrudes heatsinks V6560 Aluminum black Screw mounting 37,5mm 29mm
Customer Part No.
Customer Project No.
670 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
TO-220
37.5 mm
29.0 mm
12.0 mm
8.0 K/W
129
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Manufacturers Part No.
(SK104-25STC)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Clip mounting 25,4mm 34,9mm
Customer Part No.
Customer Project No.
651 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 1)
Fischer Elektronik
Standard extrudes heatsinks
black
Clip mounting
horizontal
SOT32
TO-220
25.4 mm
34.9 mm
12.7 mm
14.0 K/W
130
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Manufacturers Part No.
(SK104-38STC)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Clip mounting 38,1mm 34,9mm
Customer Part No.
Customer Project No.
310 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Clip mounting
horizontal
SOT32
TO-220
38.1 mm
34.9 mm
12.7 mm
11.0 K/W
131
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Manufacturers Part No.
(SK104-51STC)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Clip mounting 50,8mm 34,9mm
Customer Part No.
Customer Project No.
0 Pcs.
Next Stock Receipt
Week 24/2026
(200 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Clip mounting
horizontal
SOT32
TO-220
50.8 mm
34.9 mm
12.7 mm
9.0 K/W
132
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Manufacturers Part No.
(SK104-25STS)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Screw mounting 25,4mm 35mm
Customer Part No.
Customer Project No.
1.450 Pcs.
Planned Delivery Time
Ø 19 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
horizontal
SOT32
TO-220
25.4 mm
35.0 mm
12.7 mm
14.0 K/W
133
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Manufacturers Part No.
(SK104-38STS)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Screw mounting 38,1mm 35mm
Customer Part No.
Customer Project No.
5.050 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
horizontal
SOT32
TO-220
38.1 mm
35.0 mm
12.7 mm
11.0 K/W
134
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Manufacturers Part No.
(SK104-51STS)
Fischer Elektronik Standard extrudes heatsinks SK 104 black Screw mounting 50,8mm 35mm
Customer Part No.
Customer Project No.
410 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
horizontal
SOT32
TO-220
50.8 mm
35.0 mm
12.7 mm
9.0 K/W
135
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Manufacturers Part No.
(THF104)
Fischer Elektronik Transistor retaining springs THF Steel silver Clip mounting 38,5mm 4mm
Customer Part No.
Customer Project No.
2.660 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Transistor retaining springs
Steel
silver
Clip mounting
N/A
38.5 mm
4.0 mm
7.8 mm
136
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Manufacturers Part No.
(SK12925.4STS)
Fischer Elektronik Standard extrudes heatsinks SK 129 anodized black Screw mounting 25,4mm 42mm
New
Customer Part No.
Customer Project No.
90 Pcs.
Planned Delivery Time
Ø 3 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
N/A
SOT32
TO-220
TO-3
25.4 mm
42.0 mm
25.0 mm
7.8 K/W
137
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Manufacturers Part No.
(SK40938.1STS)
Fischer Elektronik Standard extrudes heatsinks SK 409 anodized black Screw mounting 38,1mm 45mm
New
Customer Part No.
Customer Project No.
9 Pcs.
Planned Delivery Time
Ø 3 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
N/A
TO-220
TO-3
38.1 mm
45.0 mm
12.7 mm
7.0 K/W
138
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Manufacturers Part No.
(SK35-25)
Assmann WSW Standard extrudes heatsinks V7477 Aluminum black Screw mounting 25,4mm 35mm
Customer Part No.
Customer Project No.
830 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
25.4 mm
35.0 mm
12.7 mm
14.0 K/W
139
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Manufacturers Part No.
(SK35-38)
Assmann WSW Standard extrudes heatsinks V7477 Aluminum black Screw mounting 38,1mm 35mm
Customer Part No.
Customer Project No.
0 Pcs.
Next Stock Receipt
Week 29/2026
(2.610 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
38.1 mm
35.0 mm
12.7 mm
11.0 K/W
140
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Manufacturers Part No.
(SK35-51)
Assmann WSW Standard extrudes heatsinks V7477 Aluminum black Screw mounting 50,8mm 35mm
Customer Part No.
Customer Project No.
340 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
50.8 mm
35.0 mm
12.7 mm
9.0 K/W
141
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Manufacturers Part No.
(THF35)
Assmann WSW Transistor retaining springs THF Steel silver 38,42mm
Customer Part No.
Customer Project No.
640 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Transistor retaining springs
Steel
silver
N/A
38.42 mm
8.14 mm
142
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Manufacturers Part No.
(SK42-25S)
Assmann WSW Standard extrudes heatsinks V8511 Aluminum black Screw mounting 25,4mm 42mm
Customer Part No.
Customer Project No.
0 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 14 or mul. of 14)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
25.4 mm
42.0 mm
25.0 mm
6.5 K/W
143
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Manufacturers Part No.
(SK42-38S)
Assmann WSW Standard extrudes heatsinks V8511 Aluminum black Screw mounting 38,1mm 42mm
Customer Part No.
Customer Project No.
392 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 14 or mul. of 14)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
38.1 mm
42.0 mm
25.0 mm
5.0 K/W
144
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Manufacturers Part No.
(SK42-51S)
Assmann WSW Standard extrudes heatsinks V8511 Aluminum black Screw mounting 50,8mm 42mm
Customer Part No.
Customer Project No.
406 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 14 or mul. of 14)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
50.8 mm
42.0 mm
25.0 mm
4.0 K/W
145
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Manufacturers Part No.
(THF42)
Assmann WSW Transistor retaining springs THF Steel silver 43,43mm 6,5mm
Customer Part No.
Customer Project No.
190 Pcs.
Next Stock Receipt
Week 39/2026
(3.000 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Assmann WSW
Transistor retaining springs
Steel
silver
N/A
43.43 mm
6.5 mm
16.3 mm
146
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Manufacturers Part No.
(SK45-25S)
Assmann WSW Standard extrudes heatsinks V7466 Aluminum black Screw mounting 25,4mm 45mm
Customer Part No.
Customer Project No.
390 Pcs.
Planned Delivery Time
Ø 2 Weeks
Available (from stock)
(at least 13 or mul. of 13)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
25.4 mm
45.0 mm
12.7 mm
8.2 K/W
147
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Manufacturers Part No.
(SK45-38S)
Assmann WSW Standard extrudes heatsinks V7466 Aluminum black Screw mounting 38,1mm 45mm
Customer Part No.
Customer Project No.
13 Pcs.
Next Stock Receipt
Week 26/2026
(3.276 Pcs.)
Available (from stock)
(at least 13 or mul. of 13)
Assmann WSW
Standard extrudes heatsinks
Aluminum
black
Screw mounting
vertical
SOT32
TO-220
38.1 mm
45.0 mm
12.7 mm
7.0 K/W
148
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Manufacturers Part No.
(SK12938.1STS)
Fischer Elektronik Standard extrudes heatsinks SK 129 anodized black Screw mounting 38,1mm 42mm
Customer Part No.
Customer Project No.
70 Pcs.
Planned Delivery Time
Ø 14 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
N/A
SOT32
TO-220
TO-3
38.1 mm
42.0 mm
25.0 mm
6.5 K/W
149
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Manufacturers Part No.
(SK12950.8STS)
Fischer Elektronik Standard extrudes heatsinks SK 129 anodized black Screw mounting 50,8mm 42mm
Customer Part No.
Customer Project No.
55 Pcs.
Planned Delivery Time
Ø 12 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
N/A
SOT32
TO-220
TO-3
50.8 mm
42.0 mm
25.0 mm
5.3 K/W
150
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Manufacturers Part No.
(SK14525STS220)
Fischer Elektronik Standard extrudes heatsinks SK 145 black Screw mounting 25mm 29mm
Customer Part No.
Customer Project No.
150 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 5 or mul. of 5)
Fischer Elektronik
Standard extrudes heatsinks
black
Screw mounting
N/A
TO-218
TO-220
TO-247
TO-248
25.0 mm
29.0 mm
12.0 mm
13.5 K/W