MPN

AAVID THERMALLOY Heatsink, TO-220/TO-218/TO-247 packages, 8.8kΩ/W 50 mm 50 mm 34.5 mm

RS Stock No.:: 403-184
Mfr. Part No.:: 437874
Manufacturer:: AAVID THERMALLOY

AAVID THERMALLOY Heatsink, TO-220/TO-218/TO-247 packages, 8.8kΩ/W 50 mm 50 mm 34.5 mm

Bulk discount available

Subtotal (1 pack of 10 units)*

€22.73

(exc. VAT)

€27.96

(inc. VAT)

In Stock

60 unit(s) ready to ship from another location
Plus 910 unit(s) shipping from 12 May 2026

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

Units	Per unit	Per Pack*
10 - 90	€2.273	€22.73
100 - 240	€2.094	€20.94
250 - 490	€2.003	€20.03
500 - 990	€1.934	€19.34
1000 +	€1.772	€17.72

*price indicative

RS Stock No.:: 403-184
Mfr. Part No.:: 437874
Manufacturer:: AAVID THERMALLOY

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	AAVID THERMALLOY
	For Use With	TO-220/TO-218/TO-247 packages
	Product Type	Heatsink
	Length	50mm
	Width	34.5 mm
	Height	50mm
	Thermal Resistance	8.8kΩ/W
	Fastening	Solder
	Colour	Black
	Finish	Black Anodised
	Compatible Package Type	TO-247, TO-220, TO-218
	Standards/Approvals	RoHS
	Application	Cooling
	Special Features	Unequal Channel Widths and Device Mounting Holes

	Select all
	Brand AAVID THERMALLOY
	For Use With TO-220/TO-218/TO-247 packages
	Product Type Heatsink
	Length 50mm
	Width 34.5 mm
	Height 50mm
	Thermal Resistance 8.8kΩ/W
	Fastening Solder
	Colour Black
	Finish Black Anodised
	Compatible Package Type TO-247, TO-220, TO-218
	Standards/Approvals RoHS
	Application Cooling
	Special Features Unequal Channel Widths and Device Mounting Holes

Datasheet

Vertical Mount

Vertical mounting black anodised extruded aluminium heat sinks, incorporating solderable mounting pins

Pre-drilled to accept a variety of plastic power transistors

AAVID THERMALLOY Heatsink, TO-220/TO-218/TO-247 packages, 8.8kΩ/W 50 mm 50 mm 34.5 mm

Vertical Mount

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