Heat Sinks

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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

RA-T2X-25E HEATSINK TO-218,TO-220,TO-247 Ohmite	2,250 In Stock	1 : ¥16.01000 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)	-	1.000" (25.40mm)	2.0W @ 20°C	1.50°C/W @ 200 LFM	4.80°C/W	Aluminum	Black Anodized
RA-T2X-51E HEATSINK TO-218,TO-220,TO-247 Ohmite	1,947 In Stock	1 : ¥20.18000 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)	-	2.000" (50.80mm)	8.0W @ 40°C	1.00°C/W @ 300 LFM	3.50°C/W	Aluminum	Black Anodized
RA-T2X-64E HEATSINK TO-218,TO-220,TO-247 Ohmite	940 In Stock	1 : ¥32.34000 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
RA-T2X-38E HEATSINK TO-220,TO-218,TO-247 Ohmite	0 In Stock Check Lead Time	1 : ¥23.81000 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)	-	1.500" (38.10mm)	14.0W @ 70°C	1.00°C/W @ 400 LFM	3.90°C/W	Aluminum	Black Anodized

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Heat Sinks

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.