Heat Sinks

Photo	Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Type	Package Cooled	Attachment Method	Shape	Length	Width	Diameter	Fin Height	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material	Material Finish
	HSS19-B20-NP HEAT SINK, STAMPING, TO-218/TO-2 Same Sky (Formerly CUI Devices)	2,244	0.65	RFQ	Datasheet	HSS	Bag	Active	Top Mount	TO-218, TO-220	Bolt On	Rectangular, Fins	0.866" (22.00mm)	0.748" (19.00mm)	-	0.748" (19.00mm)	3.35W @ 75°C	8.80°C/W @ 200 LFM	22.39°C/W	Aluminum Alloy	Black Anodized
	HSS-B20-NP HEATSINK TO-220 4W ALUMINUM Same Sky (Formerly CUI Devices)	3,782	0.76	RFQ	Datasheet	HSS	Box	Active	Board Level	TO-220	-	Rectangular, Fins	1.500" (38.10mm)	0.504" (12.80mm)	-	0.500" (12.70mm)	4.0W @ 75°C	5.01°C/W @ 200 LFM	18.63°C/W	Aluminum	Black Anodized
	HSS-B20-065V HEATSINK TO-220 4W ALUMINUM Same Sky (Formerly CUI Devices)	2,909	0.78	RFQ	Datasheet	HSS	Bag	Active	Board Level	TO-220	PC Pin	Rectangular, Fins	0.500" (12.70mm)	0.504" (12.80mm)	-	1.500" (38.10mm)	4.0W @ 75°C	5.01°C/W @ 200 LFM	18.63°C/W	Aluminum	Black Anodized
	HSS-B20-053H-01 HEATSINK TO-220 4.8W ALUMINUM Same Sky (Formerly CUI Devices)	2,616	0.83	RFQ	Datasheet	HSS	Bag	Active	Board Level	TO-220	Bolt On and PC Pin	Rectangular, Fins	0.500" (12.70mm)	1.000" (25.40mm)	-	1.181" (30.00mm)	4.8W @ 75°C	5.83°C/W @ 200 LFM	15.79°C/W	Aluminum	Black Anodized
	HSS23-B20-NP HEAT SINK, STAMPING, TO-218/TO-2 Same Sky (Formerly CUI Devices)	2,478	0.78	RFQ	Datasheet	HSS	Box	Active	Top Mount	TO-218, TO-220	Bolt On	Rectangular, Fins	1.654" (42.00mm)	1.496" (38.00mm)	-	0.787" (20.00mm)	7.36W @ 75°C	5.00°C/W @ 200 LFM	10.19°C/W	Aluminum Alloy	Black Anodized
	HSS09-B20-P431 HEAT SINK, STAMPING, TO-220, 29. Same Sky (Formerly CUI Devices)	2,571	0.90	RFQ	Datasheet	HSS	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular	1.180" (29.97mm)	1.000" (25.40mm)	-	0.500" (12.70mm)	4.0W @ 75°C	7.70°C/W @ 200 LFM	18.82°C/W	Aluminum Alloy	Black Anodized
	HSB10-232306 HEAT SINK, BGA, 23 X 23 X 6 MM Same Sky (Formerly CUI Devices)	1,007	0.84	RFQ	Datasheet	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.906" (23.00mm)	0.906" (23.00mm)	-	0.236" (6.00mm)	3.0W @ 75°C	9.60°C/W @ 200 LFM	25.46°C/W	Aluminum Alloy	Black Anodized
	HSS-B20-0503H HEATSINK TO-220 4.6W ALUMINUM Same Sky (Formerly CUI Devices)	2,205	0.92	RFQ	Datasheet	HSS	Box	Active	Board Level, Vertical	TO-220	PC Pin	Rectangular, Fins	0.500" (12.70mm)	1.000" (25.40mm)	-	1.180" (29.97mm)	4.6W @ 75°C	5.44°C/W @ 200 LFM	16.30°C/W	Aluminum	Black Anodized
	HSE04-251265-1 HEAT SINK, EXTRUSION, TO-218/TO- Same Sky (Formerly CUI Devices)	1,966	0.87	RFQ	Datasheet	HSE	Bag	Active	Top Mount	TO-218, TO-220	Bolt On	Rectangular, Fins	0.984" (25.00mm)	0.472" (12.00mm)	-	0.256" (6.50mm)	2.4W @ 75°C	16.30°C/W @ 200 LFM	31.22°C/W	Aluminum Alloy	Black Anodized
	HSS27-B20-P43 HEAT SINK, STAMPING, TO-218/TO-2 Same Sky (Formerly CUI Devices)	2,055	0.90	RFQ	Datasheet	HSS	Bag	Active	Board Level, Vertical	TO-218, TO-220	Bolt On and PC Pin	Rectangular, Fins	1.193" (30.30mm)	0.874" (22.20mm)	-	0.211" (5.35mm)	3.03W @ 75°C	13.20°C/W @ 200 LFM	24.79°C/W	Aluminum Alloy	Black Anodized

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