Fans, Blowers, Thermal Management

HSS-B20-NP

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Same Sky (Formerly CUI Devices)

HEATSINK TO-220 4W ALUMINUM

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Fans, Blowers, Thermal Management

HSS-B20-NP

Active

Same Sky (Formerly CUI Devices)

HEATSINK TO-220 4W ALUMINUM

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	HSS-B20-NP

Fin Height	0.5 "
Fin Height	12.7 mm
Length	1.5 in
Length	38.1 mm
Material	Aluminum
Material Finish	Black Anodized
Package Cooled	TO-220
Power Dissipation @ Temperature Rise	4 W
Shape [custom]	Rectangular
Shape [custom]	Fins
Thermal Resistance @ Forced Air Flow	5.01 °C/W
Thermal Resistance @ Natural	18.63 °C/W
Type	Board Level
Width [x]	12.8 mm
Width [x]	0.504 "

HSS-B20 Series

Part	Fin Height	Fin Height	Material	Length [x]	Length [x]	Attachment Method	Shape [custom]	Shape [custom]	Type	Package Cooled	Material Finish	Width [x]	Width [x]	Thermal Resistance @ Natural	Thermal Resistance @ Forced Air Flow	Power Dissipation @ Temperature Rise	Length	Length	Fin Height [custom]	Fin Height [custom]	Width	Width	Fin Height [z]	Fin Height [z]
Same Sky (Formerly CUI Devices) HSS-B20-NP-13	9.52 mm	0.375 in	Aluminum	17.78 mm	0.7 in	Bolt On	Rectangular	Fins	Board Level	TO-220	Black Anodized	1.75 in	44.45 mm	19.22 °C/W	5.88 °C/W
Same Sky (Formerly CUI Devices) HSS-B20-NP-10	12.7 mm	0.5 "	Aluminum		0.748 in		Rectangular	Fins	Board Level	TO-220	Black Anodized	0.504 "	12.8 mm	25.92 °C/W	7.24 °C/W	2.9 W	19 mm
Same Sky (Formerly CUI Devices) HSS-B20-NP-11	21.6 mm	0.85 in	Aluminum	17.78 mm	0.7 in	Bolt On	Rectangular	Fins	Board Level	TO-220	Black Anodized	0.779 in	19.8 mm	17.05 °C/W	6.86 °C/W	4.4 W 75 °C
Same Sky (Formerly CUI Devices) HSS-B20-NP	12.7 mm	0.5 "	Aluminum				Rectangular	Fins	Board Level	TO-220	Black Anodized	0.504 "	12.8 mm	18.63 °C/W	5.01 °C/W	4 W	38.1 mm	1.5 in
Same Sky (Formerly CUI Devices) HSS-B20-0508H-01			Aluminum			PC Pin	Rectangular	Fins	Board Level	TO-220	Black Anodized	1 in	25.4 mm	10.14 °C/W	3.51 °C/W	7.4 W 75 °C	25.4 mm	1 in	1.673 in	42.5 mm
Same Sky (Formerly CUI Devices) HSS-B20-0635H-02			Aluminum			PC Pin	Rectangular	Fins	Board Level Vertical	TO-220	Black Anodized			29.09 °C/W	10.49 °C/W	2.6 W	13.2 mm	0.52 in			12.7 mm	0.5 in	19 mm	0.748 in
Same Sky (Formerly CUI Devices) HSS-B20-NP-12	21.6 mm	0.85 in	Aluminum			Bolt On	Rectangular	Fins	Board Level	TO-220	Black Anodized	0.7 in	17.8 mm	14.33 °C/W	3.47 °C/W	6.8 W	36.83 mm	1.45 "
Same Sky (Formerly CUI Devices) HSS-B20-074H			Aluminum	10 mm	0.394 in	PC Pin	Rectangular	Fins	Board Level Vertical	TO-220	Black Anodized	0.83 in	21.08 mm	20.59 °C/W	5.39 °C/W	3.6 W 75 °C							19 mm	0.748 in
Same Sky (Formerly CUI Devices) HSS-B20-053H-01			Aluminum			Bolt On PC Pin	Rectangular	Fins	Board Level	TO-220	Black Anodized	1 in	25.4 mm	15.79 °C/W	5.83 °C/W	4.8 W	12.7 mm	0.5 in					30 mm	1.181 in
Same Sky (Formerly CUI Devices) HSS-B20-0508H-01R	29.97 mm	1.18 in	Aluminum			Bolt On and Board Mounts	Rectangular	Fins	Board Level	TO-220	Black Anodized	1 in	25.4 mm	15.83 °C/W		4.7 W	12.7 mm	0.5 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Box	1	$ 0.76
		1	$ 0.76
		10	$ 0.72
		10	$ 0.72
		25	$ 0.69
		25	$ 0.69
		50	$ 0.67
		50	$ 0.67
		100	$ 0.66
		100	$ 0.66
		250	$ 0.62
		250	$ 0.62
		500	$ 0.58
		500	$ 0.58
		1000	$ 0.53
		1000	$ 0.53
		5000	$ 0.51
		5000	$ 0.51
	N/A	3763	$ 0.79
		3763	$ 0.79

Description

General part information

HSS-B20 Series

Heat Sink TO-220 Aluminum 4.0W @ 75°C Board Level

Documents

Technical documentation and resources