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Home > Products > Fans, Blowers, Thermal Management > Thermal > Heat Sinks

Heat Sinks

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
HSS-B20-074H HEATSINK TO-220 3.6W ALUMINUM Same Sky (Formerly CUI Devices)	3,418	0.42	RFQ	Datasheet	HSS	Bag	Active	Board Level, Vertical	TO-220	PC Pin	Rectangular, Fins	0.394" (10.00mm)	0.830" (21.08mm)	-	0.748" (19.00mm)	3.6W @ 75°C	5.39°C/W @ 200 LFM	20.59°C/W	Aluminum	Black Anodized
HSE-B20254-035H-02 HEAT SINK, EXTRUSION, TO-220, 25 Same Sky (Formerly CUI Devices)	3,960	0.62	RFQ	Datasheet	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.000" (25.40mm)	1.378" (35.00mm)	-	0.500" (12.70mm)	5.5W @ 75°C	4.39°C/W @ 200 LFM	13.64°C/W	Aluminum Alloy	Black Anodized
HSS-C2591-SMT-TR HEAT SINK TO-263 COPPER Same Sky (Formerly CUI Devices)	2,992	0.65	RFQ	Datasheet	HSS	Tape & Reel (TR)	Active	Top Mount	TO-263 (D²Pak)	-	Rectangular, Fins	0.591" (15.00mm)	1.020" (25.91mm)	-	0.375" (9.52mm)	2.1W @ 75°C	8.15°C/W @ 200 LFM	35.71°C/W	Copper	Tin
HSE-B20270-040H HEAT SINK, EXTRUSION, TO-220, 27 Same Sky (Formerly CUI Devices)	3,630	0.68	RFQ	Datasheet	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.063" (27.00mm)	1.378" (35.00mm)	-	0.492" (12.50mm)	6.0W @ 75°C	3.64°C/W @ 200 LFM	12.50°C/W	Aluminum Alloy	Black Anodized
HSS25-B20-P51 HEAT SINK, STAMPING, TO-218/TO-2 Same Sky (Formerly CUI Devices)	4,627	0.73	RFQ	Datasheet	HSS	Box	Active	Board Level	TO-218, TO-220	PC Pin	Square, Fins	1.000" (25.40mm)	1.000" (25.40mm)	-	1.673" (42.50mm)	5.88W @ 75°C	6.30°C/W @ 200 LFM	12.75°C/W	Aluminum Alloy	Black Anodized
HSS-B20-0508H-01 HEATSINK TO-220 7.4W ALUMINUM Same Sky (Formerly CUI Devices)	4,251	0.77	RFQ	Datasheet	HSS	Tray	Active	Board Level	TO-220	PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.000" (25.40mm)	-	1.673" (42.50mm)	7.4W @ 75°C	3.51°C/W @ 200 LFM	10.14°C/W	Aluminum	Black Anodized
HSE-B20381-035H-02 HEAT SINK, EXTRUSION, TO-220, 38 Same Sky (Formerly CUI Devices)	1,841	0.73	RFQ	Datasheet	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.500" (38.10mm)	1.378" (35.00mm)	-	0.500" (12.70mm)	6.9W @ 75°C	3.32°C/W @ 200 LFM	10.87°C/W	Aluminum Alloy	Black Anodized
HSE-B20381-035H-01 HEAT SINK, EXTRUSION, TO-220, 38 Same Sky (Formerly CUI Devices)	2,510	0.73	RFQ	Datasheet	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.500" (38.10mm)	1.378" (35.00mm)	-	0.500" (12.70mm)	7.0W @ 75°C	2.67°C/W @ 200 LFM	10.71°C/W	Aluminum Alloy	Black Anodized
HSE-B381-04H HEAT SINK, EXTRUSION, TO-220/TO- Same Sky (Formerly CUI Devices)	2,185	0.75	RFQ	Datasheet	HSE	Box	Active	Board Level, Vertical	TO-218, TO-220	Bolt On and PC Pin	Rectangular, Fins	1.500" (38.10mm)	0.650" (16.50mm)	-	0.630" (16.00mm)	5.9W @ 75°C	4.44°C/W @ 200 LFM	12.71°C/W	Aluminum Alloy	Black Anodized
HSS12-B20-P95 HEAT SINK, STAMPING, TO-220, 19 Same Sky (Formerly CUI Devices)	1,549	0.74	RFQ	Datasheet	HSS	Box	Active	Board Level, Vertical	TO-220	PC Pin	Rectangular	0.866" (22.00mm)	0.748" (19.00mm)	-	0.433" (11.00mm)	2.7W @ 75°C	10.90°C/W @ 200 LFM	27.37°C/W	Aluminum Alloy	Black Anodized

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