Fischer Elektronik 25.4 mm
- RS Stock No.:
- 189-8139
- Mfr. Part No.:
- SK129-25,4-STS-220
- Manufacturer:
- Fischer Elektronik
Bulk discount available
Subtotal (1 unit)*
SGD6.79
(exc. GST)
SGD7.40
(inc. GST)
FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28
In Stock
- Plus 19 unit(s) shipping from 30 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 99 | SGD6.79 |
| 100 - 249 | SGD6.66 |
| 250 - 499 | SGD6.53 |
| 500 - 2499 | SGD6.42 |
| 2500 + | SGD5.29 |
*price indicative
- RS Stock No.:
- 189-8139
- Mfr. Part No.:
- SK129-25,4-STS-220
- Manufacturer:
- Fischer Elektronik
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Fischer Elektronik | |
| Length | 25.4mm | |
| Fastening | Clip | |
| Select all | ||
|---|---|---|
Brand Fischer Elektronik | ||
Length 25.4mm | ||
Fastening Clip | ||
- 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, 5°C/W 25 mm 38.1 mm 42 mm
- Fischer Elektronik Heatsink, 4°C/W 25 mm 50.8 mm 42 mm
- Fischer Elektronik Heatsink PCB Components 9°C/W 12.7 mm 50.8 mm 34.9 mm
- Fischer Elektronik Heatsink 14°C/W 12.7 mm 25.4 mm 34.9 mm
- Fischer Elektronik Heatsink 11°C/W 12.7 mm 38.1 mm 34.9 mm
- Fischer Elektronik Heatsink 10K/W 14 mm 37.5 mm 32 mm
- Fischer Elektronik Heatsink, Semiconductor Clip-Mounting 12.7 mm 25.4 mm 45 mm
- Fischer Elektronik Board Level Heatsink, Power Semiconductors 17 mm 42 mm 42 mm
