HSS-B20-NP-11

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CUI Devices

HEATSINK TO-220 4.4W ALUMINUM

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HSS-B20-NP-11

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CUI Devices

HEATSINK TO-220 4.4W ALUMINUM

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	HSS-B20-NP-11

Attachment Method	Bolt On
Fin Height	0.85 in
Fin Height	21.6 mm
Length	17.78 mm
Length	0.7 in
Material	Aluminum
Material Finish	Black Anodized
Package Cooled	TO-220
Power Dissipation @ Temperature Rise	4.4 W
Shape	Rectangular, Fins
Thermal Resistance @ Natural	17.05 °C/W
Type	Board Level
Width [x]	0.779 in
Width [x]	19.8 mm

HSS-B20 Series

Part	Attachment Method	Shape	Package Cooled	Thermal Resistance @ Forced Air Flow	Fin Height	Fin Height	Length	Length	Material Finish	Type	Material	Width [x]	Width [x]	Thermal Resistance @ Natural	Power Dissipation @ Temperature Rise	Fin Height [z]	Fin Height [z]	Width [y]	Width [y]	Width [y]	Width	Length [x]	Length [x]
CUI Devices HSS-B20-NP-13	Bolt On	Rectangular Fins	TO-220	5.88 °C/W 200 LFM	9.52 mm	0.375 in	17.78 mm	0.7 in	Black Anodized	Board Level	Aluminum	44.45 mm	1.75 in	19.22 °C/W
CUI Devices HSS-B20-0635H-02	PC Pin	Rectangular Fins	TO-220	10.49 °C/W			13.2 mm	0.52 in	Black Anodized	Board Level Vertical	Aluminum			29.09 °C/W	2.6 W 75 °C	19 mm	0.748 in
CUI Devices HSS-B20-NP-12	Bolt On	Rectangular Fins	TO-220	3.47 °C/W 200 LFM	21.6 mm	0.85 in	36.83 mm	1.45 in	Black Anodized	Board Level	Aluminum			14.33 °C/W	6.8 W			0.7 in	17.8 mm
CUI Devices HSS-B20-074H	PC Pin	Rectangular Fins	TO-220	5.39 °C/W 200 LFM			10 mm	0.394 in	Black Anodized	Board Level Vertical	Aluminum				3.6 W 75 °C	19 mm	0.748 in	21.08 mm		0.83 in
CUI Devices HSS-B20-0508H-01R	Board Mounts Bolt On	Rectangular Fins	TO-220				12.7 mm	0.5 in	Black Anodized	Board Level	Aluminum		1 in	15.83 °C/W	4.7 W	29.97 mm	1.18 in				25.4 mm
CUI Devices HSS-B20-NP-10		Rectangular Fins	TO-220	7.24 °C/W 200 LFM			19 mm	0.748 in	Black Anodized	Board Level	Aluminum	12.8 mm	0.504 in	25.92 °C/W	2.9 W 75 °C	12.7 mm	0.5 in
CUI Devices HSS-B20-NP-13	Bolt On	Rectangular Fins	TO-220	5.88 °C/W 200 LFM	9.52 mm	0.375 in	17.78 mm	0.7 in	Black Anodized	Board Level	Aluminum	44.45 mm	1.75 in	19.22 °C/W
CUI Devices HSS-B20-053H-01	Bolt On PC Pin	Rectangular Fins	TO-220	5.83 °C/W			12.7 mm	0.5 in	Black Anodized	Board Level	Aluminum		1 in	15.79 °C/W	4.8 W 75 °C	30 mm	1.181 in				25.4 mm
CUI Devices HSS-B20-NP-11	Bolt On	Rectangular Fins	TO-220		21.6 mm	0.85 in	17.78 mm	0.7 in	Black Anodized	Board Level	Aluminum	19.8 mm	0.779 in	17.05 °C/W	4.4 W
CUI Devices HSS-B20-095H	PC Pin	Rectangular Fins	TO-220	6.5 °C/W 200 LFM					Black Anodized	Board Level Vertical	Aluminum	22 mm	0.866 "	18.34 °C/W	4.1 W 75 °C	15.9 mm	0.626 "					0.441 in	11.2 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bag	4000	$ 0.47

Description

General part information

HSS-B20 Series

Heat Sink TO-220 Aluminum 4.4W @ 75°C Board Level

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Technical documentation and resources