Fischer Elektronik Heatsink, 4K/W, 50.8 x 42 x 25mm, Clip

Bulk discount available

Subtotal (1 unit)*

£5.49

(exc. VAT)

£6.59

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 12 unit(s) ready to ship
  • Plus 685 unit(s) ready to ship from another location
  • Plus 50 unit(s) shipping from 29 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 9£5.49
10 - 24£5.06
25 - 49£4.82
50 - 99£4.68
100 +£4.26

*price indicative

RS Stock No.:
189-8151
Mfr. Part No.:
SK129-50,8-STS-220
Brand:
Fischer Elektronik
Find similar products by selecting one or more attributes.
Select all

Brand

Fischer Elektronik

Length

50.8mm

Width

42mm

Height

25mm

Dimensions

50.8 x 42 x 25mm

Thermal Resistance

4K/W

Mounting

Clip

Colour

Black

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