Specification	423K

Attachment Method	Press Fit
Fin Height	2.625 in
Fin Height	66.67 mm
Length	5.421 in
Length	139.7 mm
Material	Aluminum
Material Finish	Black Anodized
Package Cooled	Stud Mount, TO-3, DO-5
Power Dissipation @ Temperature Rise	47 °C, 50 W
Shape [custom]	Rectangular
Shape [custom]	Fins
Thermal Resistance @ Natural	0.96 °C/W
Type	Board Level, Extrusion
Width [x]	120.65 mm
Width [x]	4.75 in

423 Series

Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x140.2x66.7mm

Part	Material	Power Dissipation @ Temperature Rise	Fin Height	Fin Height	Type	Thermal Resistance @ Natural	Width [x]	Width [x]	Shape [custom]	Shape [custom]	Length	Length	Material Finish	Attachment Method	Package Cooled
Wakefield Thermal Solutions 423K	Aluminum	47 °C 50 W	2.625 in	66.67 mm	Board Level Extrusion	0.96 °C/W	120.65 mm	4.75 in	Rectangular	Fins	5.421 in	139.7 mm	Black Anodized	Press Fit	DO-5 Stud Mount TO-3

Pricing

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

General part information

Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x140.2x66.7mm

Technical documentation and resources