Fans, Blowers, Thermal Management

634-15AB

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634 SERIES BOARD LEVEL HEAT SINK, .640 IN. WIDTH, .640 IN. LENGTH, FOR USE WITH DEVICE TYPE(S): TO-218, TO-220, MOUNTING HOLE/SL

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Fans, Blowers, Thermal Management

Active

634 SERIES BOARD LEVEL HEAT SINK, .640 IN. WIDTH, .640 IN. LENGTH, FOR USE WITH DEVICE TYPE(S): TO-218, TO-220, MOUNTING HOLE/SL

Technical Specifications

Parameters and characteristics for this part

Specification	634-15AB

Attachment Method	Bolt On
Fin Height	16.26 mm
Fin Height	0.64 in
Length	1.5 in
Length	38.1 mm
Material	Aluminum
Material Finish	Black Anodized
Package Cooled	TO-218, TO-220
Shape [custom]	Rectangular
Shape [custom]	Fins
Thermal Resistance @ Forced Air Flow	2 °C/W
Thermal Resistance @ Natural	50 °C/W
Type	Board Level, Vertical
Width [y]	16.26 mm
Width [y]	0.64 in

Part	Type	Package Cooled	Length	Length	Width [y]	Width [y]	Thermal Resistance @ Forced Air Flow	Shape [custom]	Shape [custom]	Attachment Method	Material Finish	Material	Thermal Resistance @ Natural	Fin Height	Fin Height
Wakefield Thermal Solutions 634-15AB	Board Level Vertical	TO-218 TO-220	1.5 in	38.1 mm	16.26 mm	0.64 in	2 °C/W	Rectangular	Fins	Bolt On	Black Anodized	Aluminum	50 °C/W	16.26 mm	0.64 in
Wakefield Thermal Solutions 634-15AB	Board Level Vertical	TO-218 TO-220	1.5 in	38.1 mm	16.26 mm	0.64 in	2 °C/W	Rectangular	Fins	Bolt On	Black Anodized	Aluminum	50 °C/W	16.26 mm	0.64 in
Wakefield Thermal Solutions 634-15ABPE	Board Level Vertical	TO-220	1.5 in	38.1 mm	16.26 mm	0.64 in	2 °C/W	Rectangular	Fins	Bolt On PC Pin	Black Anodized	Aluminum	50 °C/W	16.26 mm	0.64 in
Wakefield Thermal Solutions 634-15ABPE	Board Level Vertical	TO-220	1.5 in	38.1 mm	16.26 mm	0.64 in	2 °C/W	Rectangular	Fins	Bolt On PC Pin	Black Anodized	Aluminum	50 °C/W	16.26 mm	0.64 in

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	1600	$ 2.78
		1600	$ 2.78
	N/A	0	$ 2.00
		0	$ 2.00
Newark	Each	1000	$ 2.33

General part information

Heat Sink TO-220, TO-218 Aluminum 3.0W @ 50°C Board Level, Vertical

Technical documentation and resources