TO-218, TO-220, TO-247 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
657-20ABEP HEATSINK TO-220 W/PINS BLK 2" Wakefield-Vette	7,778 In Stock	1 : $3.34000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	2.000" (50.80mm)	6.0W @ 32°C	2.90°C/W @ 200 LFM	5.30°C/W	Aluminum	Black Anodized
RA-T2X-25E HEATSINK TO-218,TO-220,TO-247 Ohmite	541 In Stock	1 : $4.90000 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-64E HEATSINK TO-218,TO-220,TO-247 Ohmite	783 In Stock	1 : $7.51000 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
657-15ABPEN HEATSINK TO-220 W/PINS BLK 1.5" Wakefield-Vette	1,985 In Stock	1 : $2.22000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	1.500" (38.10mm)	6.0W @ 38°C	3.30°C/W @ 200 LFM	-	Aluminum	Black Anodized
657-10ABPNE HEATSINK TO-220 W/PINS BLK 1" Wakefield-Vette	765 In Stock	1 : $2.42000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	1.000" (25.40mm)	6.0W @ 41°C	3.70°C/W @ 200 LFM	-	Aluminum	Black Anodized
627-15ABPE HEATSINK FOR TO218/TO220 Wakefield-Vette	313 In Stock	1 : $3.22000 Bulk	627	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	0.500" (12.70mm)	1.375" (34.93mm)	-	1.500" (38.10mm)	6.0W @ 65°C	5.50°C/W @ 200 LFM	-	Aluminum	Black Anodized
657-25ABPE HEATSINK TO-220 W/PINS BLK 2.5" Wakefield-Vette	130 In Stock	1 : $5.11000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	2.500" (63.50mm)	6.0W @ 25°C	2.70°C/W @ 200 LFM	-	Aluminum	Black Anodized
ATS-PCB1052 HEATSINK TO-220/TO-218/TO-247 Advanced Thermal Solutions Inc.	852 In Stock	1 : $8.80000 Bulk	-	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Clip and Board Mounts	Rectangular, Angled Fins	1.750" (44.45mm)	0.500" (12.70mm)	-	1.750" (44.45mm)	-	2.30°C/W @ 200 LFM	6.30°C/W	Aluminum	Black Anodized
657-20ABPNE HEATSINK TO-220 W/PINS BLK 2" Wakefield-Vette	987 In Stock	1 : $3.06000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	2.000" (50.80mm)	6.0W @ 32°C	2.90°C/W @ 200 LFM	-	Aluminum	Black Anodized
626-20ABPE HEATSINK FOR TO218/TO220 Wakefield-Vette	176 In Stock	1 : $3.53000 Bulk	626	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	0.500" (12.70mm)	1.375" (34.93mm)	-	2.000" (50.80mm)	6.0W @ 55°C	4.70°C/W @ 200 LFM	-	Aluminum	Black Anodized
657-25ABPNE HEATSINK TO-220 W/PINS BLK 2.5" Wakefield-Vette	958 In Stock	1 : $4.43000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	2.500" (63.50mm)	6.0W @ 25°C	2.70°C/W @ 200 LFM	-	Aluminum	Black Anodized
RA-T2X-51E HEATSINK TO-218,TO-220,TO-247 Ohmite	38 In Stock	1 : $6.24000 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
FA-T220-38E HEATSINK TO-218,TO-220,TO-247 Ohmite	0 In Stock Check Lead Time	1 : $5.70000 Box	F	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.500" (38.10mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	10.0W @ 50°C	1.50°C/W @ 600 LFM	3.80°C/W	Aluminum	Black Anodized
FA-T220-51E HEATSINK TO-218,TO-220,TO-247 Ohmite	0 In Stock Check Lead Time	1 : $6.67000 Box	F	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	2.000" (50.80mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	4.0W @ 20°C	2.00°C/W @ 300 LFM	3.40°C/W	Aluminum	Black Anodized
657-10ABPE HEATSINK TO-220 W/PINS BLK 1" Wakefield-Vette	0 In Stock Check Lead Time	1 : $2.42000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	1.000" (25.40mm)	6.0W @ 41°C	3.70°C/W @ 200 LFM	-	Aluminum	Black Anodized
657-15ABPE HEATSINK TO-220 W/PINS BLK 1.5" Wakefield-Vette	1 In Stock	1 : $2.77000 Bulk	657	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.650" (41.91mm)	-	1.500" (38.10mm)	6.0W @ 38°C	3.30°C/W @ 200 LFM	6.30°C/W	Aluminum	Black Anodized
FA-T220-25E HEATSINK TO-218,TO-220,TO-247 Ohmite	0 In Stock Check Lead Time	1 : $5.27000 Box	F	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	4.0W @ 30°C	3.00°C/W @ 400 LFM	4.70°C/W	Aluminum	Black Anodized
HSE17-252525P HEAT SINK, EXTRUSION, TO-218, TO Same Sky (Formerly CUI Devices)	0 In Stock Check Lead Time	1 : $2.55000 Box	HSE	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Angled Fins	1.000" (25.40mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	6.5W @ 75°C	4.30°C/W @ 200 LFM	11.53°C/W	Aluminum Alloy	Black Anodized
TV96G TV96G Boyd Laconia, LLC	0 In Stock Check Lead Time	8,000 : $0.84705 Bulk	-	Bulk	Active	Board Level	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.248" (31.70mm)	0.700" (17.80mm)	-	0.402" (10.21mm)	1.0W @ 30°C	20.00°C/W @ 100 LFM	24.00°C/W	Aluminum	Black Anodized
411320B02500 HEATSINK STAMP 12.7X34.9X50.8MM Comair Rotron	0 In Stock	400 : $1.25603 Bulk	-	Bulk	Obsolete	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	2.000" (50.80mm)	1.375" (34.93mm)	-	0.500" (12.70mm)	2.0W @ 20°C	4.50°C/W @ 200 LFM	-	Aluminum	Black Anodized
SW50-4G HTSK-AL-000SW-50-B-PINS-PIERCE Boyd Laconia, LLC	0 In Stock Check Lead Time	45,006 : $1.32133 Bulk	-	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.358" (34.49mm)	0.492" (12.50mm)	-	1.969" (50.00mm)	2.0W @ 30°C	4°C/W @ 200 LFM	8.80°C/W	Aluminum	Black Anodized
411615B02500 HEATSINK EXTRUDED 25X41.6X38.1MM Comair Rotron	0 In Stock	300 : $1.56363 Bulk	-	Bulk	Obsolete	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.500" (38.10mm)	1.650" (41.91mm)	-	1.000" (25.40mm)	10.0W @ 50°C	1.50°C/W @ 700 LFM	-	Aluminum	Black Anodized
SW50-2G THM,ZA3286 REV 6 SW50-2G Boyd Laconia, LLC	0 In Stock Check Lead Time	5,000 : $1.72881 Bulk	-	Bulk	Active	Board Level	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	1.358" (34.49mm)	0.492" (12.50mm)	-	1.968" (49.99mm)	3.0W @ 40°C	5.00°C/W @ 100 LFM	8.80°C/W	Aluminum	Black Anodized
411621B02500 HEATSINK EXTRUDED 25X41.6X50.8MM Comair Rotron	0 In Stock	300 : $1.94810 Bulk	-	Bulk	Obsolete	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	2.000" (50.80mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	6.0W @ 30°C	1.50°C/W @ 500 LFM	-	Aluminum	Black Anodized
627-10ABPE HEATSINK FOR TO218/TO220 Wakefield-Vette	0 In Stock Check Lead Time	1,400 : $2.18935 Bulk	627	Bulk	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	0.500" (12.70mm)	1.375" (34.93mm)	-	1.000" (25.40mm)	6.0W @ 76°C	5.80°C/W @ 200 LFM	-	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.

TO-218, TO-220, TO-247 Heat Sinks

TO-218, TO-220, TO-247 Heat Sinks

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