Heat Sinks

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of 16

Mfr Part #	Quantity Available	Price	Series	Package	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
577102B00000G HEAT SINK TO-220 .375" COMPACT Boyd Laconia, LLC	13,742 In Stock	1 : $1.59000 Bag	-	Bag	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.750" (19.05mm)	0.520" (13.21mm)	-	0.375" (9.52mm)	3.0W @ 80°C	12.00°C/W @ 200 LFM	25.90°C/W	Aluminum	Black Anodized
577202B00000G HEAT SINK TO-220 .500" COMPACT Boyd Laconia, LLC	1,750 In Stock	1 : $2.26000 Bag	-	Bag	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.750" (19.05mm)	0.520" (13.21mm)	-	0.500" (12.70mm)	1.5W @ 40°C	10.00°C/W @ 200 LFM	24.40°C/W	Aluminum	Black Anodized
634-15ABPE HEATSINK SLIM VERT BLACK TO-220 Wakefield-Vette	1,405 In Stock	1 : $3.55000 Box	634	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	1.500" (38.10mm)	0.640" (16.26mm)	-	0.640" (16.26mm)	3.0W @ 50°C	2.00°C/W @ 300 LFM	50.00°C/W	Aluminum	Black Anodized
RA-T2X-64E HEATSINK TO-218,TO-220,TO-247 Ohmite	1,027 In Stock	1 : $7.41000 Box	R	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.654" (42.00mm)	0.985" (25.00mm)	-	2.500" (63.50mm)	4.0W @ 20°C	1.00°C/W @ 200 LFM	3.10°C/W	Aluminum	Black Anodized
593002B03400G HEATSINK TWISTED FIN TO-220 Boyd Laconia, LLC	6,274 In Stock	1 : $10.21000 Bulk	Channel 5900	Bulk	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	1.180" (29.97mm)	0.942" (23.93mm)	-	0.500" (12.70mm)	1.0W @ 20°C	4.00°C/W @ 600 LFM	13.40°C/W	Aluminum	Black Anodized
274-2AB HEATSINK LOW HEIGHT BLK TO-220 Wakefield-Vette	4,456 In Stock	1 : $0.51000 Bulk	274	Bulk	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.750" (19.05mm)	0.520" (13.21mm)	-	0.500" (12.70mm)	2.0W @ 50°C	7.00°C/W @ 400 LFM	25.00°C/W	Aluminum	Black Anodized
271-AB HEATSINK TO-220 TOP MNT BLK Wakefield-Vette	17,994 In Stock	1 : $0.56000 Bulk	271	Bulk	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.700" (17.78mm)	1.750" (44.45mm)	-	0.500" (12.70mm)	4.0W @ 62°C	5.10°C/W @ 400 LFM	15.50°C/W	Aluminum	Black Anodized
V8508G HEATSINK TO-220 15X12.8MM Assmann WSW Components	14,825 In Stock	1 : $0.80000 Bulk	-	Bulk	Active	Board Level	TO-220	Press Fit	Rectangular, Fins	0.591" (15.00mm)	0.504" (12.80mm)	-	0.500" (12.70mm)	3.0W @ 60°C	14.00°C/W @ 200 LFM	-	Aluminum	Black Anodized
V5629W220 HEATSINK ALUM ANOD Assmann WSW Components	5,301 In Stock	1 : $1.18000 Bulk	-	Bulk	Active	Top Mount	TO-220	Bolt On and PC Pin	Square, Fins	0.984" (25.00mm)	0.449" (11.40mm)	-	0.260" (6.60mm)	-	-	36.00°C/W	Aluminum	Black Anodized
6237BG BOARD LEVEL HEATSINK .375"TO-220 Boyd Laconia, LLC	2,141 In Stock	1 : $4.44000 Bulk	-	Bulk	Active	Board Level	TO-220	Clip	Rectangular, Fins	0.700" (17.78mm)	0.900" (22.86mm)	-	0.375" (9.52mm)	2.0W @ 50°C	14.00°C/W @ 200 LFM	25.00°C/W	Aluminum	Black Anodized
7-345-2PP-BA HEATSINK PWR DUAL BLACK TO-220 CTS Thermal Management Products	752 In Stock	1 : $5.37000 Box	7	Box	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.500" (38.10mm)	2.000" (50.80mm)	-	0.553" (14.05mm)	6.0W @ 25°C	-	4.70°C/W	Aluminum	Black Anodized
HSE06-503045 HEAT SINK, EXTRUSION, TO-218/TO- Same Sky (Formerly CUI Devices)	1,958 In Stock	1 : $4.13000 Bag	HSE	Bag	Active	Board Level	TO-218, TO-220	Clip	Rectangular, Fins	1.969" (50.00mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	12.79W @ 75°C	2.10°C/W @ 200 LFM	5.86°C/W	Aluminum Alloy	Black Anodized
HSE-B20350-NP HEAT SINK, EXTRUSION, TO-220, 35 Same Sky (Formerly CUI Devices)	53 In Stock	1 : $1.62000 Tray	HSE	Tray	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.378" (35.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	6.2W @ 75°C	2.91°C/W @ 200 LFM	12.10°C/W	Aluminum Alloy	Black Anodized
V5630-T HEATSINK ALUM ANOD Assmann WSW Components	0 In Stock Check Lead Time	1 : $0.89000 Bulk	-	Bulk	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.378" (35.00mm)	0.728" (18.50mm)	-	0.590" (15.00mm)	-	-	15.00°C/W	Aluminum	Black Anodized
V5629G HEATSINK ALUM ANOD Assmann WSW Components	0 In Stock Check Lead Time	1 : $1.30000 Bulk	-	Bulk	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.984" (25.00mm)	0.472" (12.00mm)	-	0.256" (6.50mm)	-	-	40.00°C/W	Aluminum	Black Anodized
V5220L HEATSINK ALUM ANOD TO-220 Assmann WSW Components	0 In Stock Check Lead Time	1 : $2.81000 Bulk	-	Bulk	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.181" (30.00mm)	1.260" (32.00mm)	-	0.787" (19.99mm)	-	-	8.00°C/W	Aluminum	Black Anodized

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Passive heat exchangers that transfer the heat generated by an electronic component to a fluid medium, often air or a liquid coolant, dissipating it away from the device to maintain an optimal operating temperature. They are designed to maximize the surface area in contact with the medium surrounding it. They are usually made out of copper or aluminum due to their high thermal conductivity.