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Fischer Elektronik Heatsink, 4°C/W 25 mm 50.8 mm 42 mm

RS stock no.:: 189-8151
Mfr. Part No.:: SK129-50,8-STS-220
Manufacturer:: Fischer Elektronik

Fischer Elektronik Heatsink, 4°C/W 25 mm 50.8 mm 42 mm

Bulk discount available

Subtotal (1 unit)*

R 131,68

(exc. VAT)

R 151,43

(inc. VAT)

FREE delivery for orders over R 1,500.00

In Stock

639 unit(s) ready to ship from another location
Plus 50 unit(s) shipping from 24 February 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 24	R 131.68
25 - 99	R 128.39
100 - 249	R 124.54
250 - 499	R 119.56
500 +	R 114.78

*price indicative

RS stock no.:: 189-8151
Mfr. Part No.:: SK129-50,8-STS-220
Manufacturer:: Fischer Elektronik

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Fischer Elektronik
	Product Type	Heatsink
	Length	50.8mm
	Width	42 mm
	Height	25mm
	Thermal Resistance	4°C/W
	Colour	Black
	Finish	Black
	Compatible Package Type	TO-220
	Standards/Approvals	RoHS
	Application	Cooling
	Material	Aluminium

	Select all
	Brand Fischer Elektronik
	Product Type Heatsink
	Length 50.8mm
	Width 42 mm
	Height 25mm
	Thermal Resistance 4°C/W
	Colour Black
	Finish Black
	Compatible Package Type TO-220
	Standards/Approvals RoHS
	Application Cooling
	Material Aluminium

SK 129 Heatsink Specification

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.

Fischer Elektronik Heatsink, 4°C/W 25 mm 50.8 mm 42 mm

FREE delivery for orders over R 1,500.00

Heat sink 4 → 6.5 KW for TO 220

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