HSE-B20250-040H

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CUI Devices

HEATSINK: EXTRUDED; H; TO220; BLACK; L: 25MM; W: 34.5MM; H: 12.5MM

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CUI Devices

HEATSINK: EXTRUDED; H; TO220; BLACK; L: 25MM; W: 34.5MM; H: 12.5MM

Technical Specifications

Parameters and characteristics for this part

Specification	HSE-B20250-040H

Attachment Method	PC Pin, Bolt On
Fin Height	12.5 mm
Fin Height	0.492 in
Length	25 mm
Length	0.984 in
Material	Aluminum Alloy
Material Finish	Black Anodized
Package Cooled	TO-220
Power Dissipation @ Temperature Rise	5 W, 75 °C
Shape	Rectangular, Angled Fins
Thermal Resistance @ Forced Air Flow	4.28 °C/W
Thermal Resistance @ Natural	15 °C/W
Type	Board Level, Vertical
Width	35 mm
Width [x]	1.378 in

Part	Shape	Attachment Method	Material Finish	Thermal Resistance @ Natural	Type	Width [x]	Width	Thermal Resistance @ Forced Air Flow	Length	Length	Fin Height	Fin Height	Power Dissipation @ Temperature Rise	Package Cooled	Material
CUI Devices HSE-B20250-040H	Rectangular Angled Fins	Bolt On PC Pin	Black Anodized	15 °C/W	Board Level Vertical	1.378 in	35 mm	4.28 °C/W	25 mm	0.984 in	12.5 mm	0.492 in	5 W 75 °C	TO-220	Aluminum Alloy
CUI Devices HSE-B20250-040H-01	Rectangular Angled Fins	PC Pin	Black Anodized	13.64 °C/W	Board Level Vertical	1.359 in	34.5 mm	4.44 °C/W 200 LFM	25 mm	0.984 in	12.5 mm	0.492 in	5.5 W 75 °C	TO-220	Aluminum Alloy

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

Distributor	Package	Quantity	$

Digikey	Tray	1500	$ 0.62

General part information

Heat Sink TO-220 Aluminum Alloy 5.0W @ 75°C Board Level, Vertical

Technical documentation and resources