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421F

Wakefield-Vette

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421F

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HEATSINK POWER TO-3

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Mfr	Wakefield-Vette
Type	Board Level, Extrusion
Shape	Rectangular, Fins
Width	4.750" (120.65mm)
Length	3.000" (76.20mm)
Series	421
Package	Bulk
Diameter	-
Material	Aluminum
Fin Height	2.625" (66.67mm)
Package Cooled	TO-3, DO-5, Stud Mount
Product Status	Active
Material Finish	Black Anodized
Attachment Method	Press Fit
Thermal Resistance @ Natural	1.16°C/W
Power Dissipation @ Temperature Rise	50.0W @ 58°C
Thermal Resistance @ Forced Air Flow	0.70°C/W @ 250 LFM