Fischer Elektronik Heatsink, Semiconductor, 3.5K/W 25 mm 63.5 mm 42 mm
- RS Stock No.:
- 189-8139
- Mfr. Part No.:
- SK129-25,4-STS-220
- Brand:
- Fischer Elektronik
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Subtotal (1 unit)*
£4.21
(exc. VAT)
£5.05
(inc. VAT)
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In Stock
- Plus 50 unit(s) shipping from 23 February 2026
- Plus 89 unit(s) shipping from 23 February 2026
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Units | Per unit |
|---|---|
| 1 - 9 | £4.21 |
| 10 - 24 | £3.88 |
| 25 - 49 | £3.71 |
| 50 - 99 | £3.57 |
| 100 + | £3.28 |
*price indicative
- RS Stock No.:
- 189-8139
- Mfr. Part No.:
- SK129-25,4-STS-220
- Brand:
- Fischer Elektronik
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Fischer Elektronik | |
| Product Type | Heatsink | |
| For Use With | Semiconductor | |
| Length | 63.5mm | |
| Width | 42 mm | |
| Height | 25mm | |
| Fastening | Clip | |
| Thermal Resistance | 3.5K/W | |
| Colour | Black | |
| Finish | Anodised | |
| Compatible Package Type | SOT-32, TO-220, TO-3P | |
| Standards/Approvals | RoHS | |
| Material | Aluminium | |
| Application | Semiconductor | |
| Special Features | Solderable Tin Plated Pins, Special Lengths and Transistor Drillings on Request, With Insulating Washer | |
| Select all | ||
|---|---|---|
Brand Fischer Elektronik | ||
Product Type Heatsink | ||
For Use With Semiconductor | ||
Length 63.5mm | ||
Width 42 mm | ||
Height 25mm | ||
Fastening Clip | ||
Thermal Resistance 3.5K/W | ||
Colour Black | ||
Finish Anodised | ||
Compatible Package Type SOT-32, TO-220, TO-3P | ||
Standards/Approvals RoHS | ||
Material Aluminium | ||
Application Semiconductor | ||
Special Features Solderable Tin Plated Pins, Special Lengths and Transistor Drillings on Request, With Insulating Washer | ||
- COO (Country of Origin):
- DE
Heat sink 4 → 6.5 KW for TO 220
Heatsinks in the SK 129 Series have tin-plated soldered pins that can be soldered and are ideal for mounting semiconductors vertically. They are available in the following lengths: 25.4 mm, 38.1 mm and 50.8 mm.
Related links
- Fischer Elektronik Heatsink 50.8 x 42 x 25mm, Clip
- Fischer Elektronik Heatsink 38.1 x 42 x 25mm, Clip
- Fischer Elektronik Heatsink 25.4 x 34.9 x 12.7mm, Clip
- Fischer Elektronik Heatsink 37.5 x 32.3 x 28mm, Clip
- Fischer Elektronik Heatsink 25 x 52.3 x 28mm, Clip
- Fischer Elektronik Heatsink 37.5 x 34.5 x 12.7mm
- Fischer Elektronik Heatsink 6.5K/W PCB Mount
- Fischer Elektronik Heatsink 50.8 x 34.9 x 12.7mm, Clip