HSE-B381-04H

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CUI Devices

HEAT SINK, EXTRUSION, TO-220/TO-

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Active

CUI Devices

HEAT SINK, EXTRUSION, TO-220/TO-

Technical Specifications

Parameters and characteristics for this part

Specification	HSE-B381-04H

Attachment Method	PC Pin, Bolt On
Fin Height [z]	16 mm
Fin Height [z]	0.63 in
Length	1.5 "
Length	38.1 mm
Material	Aluminum Alloy
Material Finish	Black Anodized
Package Cooled	TO-218, TO-220
Power Dissipation @ Temperature Rise	5.9 W, 75 °C
Shape	Rectangular, Fins
Thermal Resistance @ Forced Air Flow	4.44 °C/W, 200 LFM
Thermal Resistance @ Natural	12.71 °C/W
Type	Board Level, Vertical
Width	16.5 mm
Width [y]	0.65 in

Part	Material Finish	Package Cooled	Power Dissipation @ Temperature Rise	Width	Width [y]	Length	Length	Type	Material	Fin Height [z]	Fin Height [z]	Shape	Attachment Method	Thermal Resistance @ Natural	Thermal Resistance @ Forced Air Flow
CUI Devices HSE-B381-04H	Black Anodized	TO-218 TO-220	5.9 W 75 °C	16.5 mm	0.65 in	1.5 "	38.1 mm	Board Level Vertical	Aluminum Alloy	16 mm	0.63 in	Rectangular Fins	Bolt On PC Pin	12.71 °C/W	4.44 °C/W 200 LFM

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

Distributor	Package	Quantity	$

Digikey	Box	1000	$ 0.85

General part information

Heat Sink TO-218, TO-220 Aluminum Alloy 5.9W @ 75°C Board Level, Vertical

Technical documentation and resources