Ohmite 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

DV-T263-201E-TR HEATSINK FOR TO-263 Ohmite	23,600 In Stock	1 : ¥9.11000 Cut Tape (CT) 200 : ¥8.02820 Tape & Reel (TR)	D	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Top Mount	TO-263 (D²Pak)	Solderable Feet	Rectangular, Fins	0.500" (12.70mm)	1.020" (25.91mm)	-	0.480" (12.19mm)	2.0W @ 30°C	8.00°C/W @ 500 LFM	-	Aluminum	Degreased
RA-T2X-25E HEATSINK TO-218,TO-220,TO-247 Ohmite	2,381 In Stock	1 : ¥15.81000 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)	-	1.000" (25.40mm)	2.0W @ 20°C	1.50°C/W @ 200 LFM	4.80°C/W	Aluminum	Black Anodized
FA-T220-38E HEATSINK TO-218,TO-220,TO-247 Ohmite	1,303 In Stock	1 : ¥17.97000 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
EA-T220-51E HEATSINK FOR TO-220 BLACK Ohmite	6,783 In Stock	1 : ¥18.29000 Box	E	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	2.000" (50.80mm)	1.378" (35.00mm)	-	0.500" (12.70mm)	5.0W @ 40°C	4.00°C/W @ 600 LFM	7.50°C/W	Aluminum	Black Anodized
WA-T220-101E HEATSINK AND CLIP FOR TO-220 BLK Ohmite	13,013 In Stock	1 : ¥18.37000 Tray	W	Tray	Active	Board Level, Vertical	TO-220	Clip and PC Pin	Rectangular, Fins	1.201" (30.50mm)	0.720" (18.29mm)	-	0.630" (16.00mm)	1.0W @ 20°C	-	12.00°C/W	Aluminum	Black Anodized
DV-T263-101E-TR TO-263 HEAT SINK / POLY TAPE Ohmite	250 In Stock	1 : ¥19.19000 Cut Tape (CT) 250 : ¥15.14948 Tape & Reel (TR)	D	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Top Mount	TO-263 (D²Pak)	Solderable Feet	Rectangular, Fins	0.500" (12.70mm)	1.020" (25.91mm)	-	0.400" (10.16mm)	2.0W @ 30°C	8.00°C/W @ 500 LFM	-	Aluminum	Degreased
DA-T263-201E-TR HEATSINK FOR TO-263 Ohmite	2,154 In Stock	1 : ¥19.27000 Cut Tape (CT) 200 : ¥16.22800 Tape & Reel (TR)	D	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Top Mount	TO-263 (D²Pak)	Solderable Feet	Rectangular, Fins	0.500" (12.70mm)	1.020" (25.91mm)	-	0.480" (12.19mm)	2.0W @ 30°C	8.00°C/W @ 500 LFM	-	Aluminum	Black Anodized
FA-T220-51E HEATSINK TO-218,TO-220,TO-247 Ohmite	2,809 In Stock	1 : ¥19.67000 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
WA-T247-101E HEATSINK AND CLIP FOR TO-247 BLK Ohmite	13,887 In Stock	1 : ¥21.06000 Tray	W	Tray	Active	Board Level, Vertical	TO-247	Clip and PC Pin	Rectangular, Fins	1.260" (32.00mm)	0.921" (23.40mm)	-	0.630" (16.00mm)	1.0W @ 20°C	8.00°C/W @ 500 LFM	11.00°C/W	Aluminum	Black Anodized
R2A-CT4-38E HEATSINK FOR TO-247 Ohmite	2,858 In Stock	1 : ¥25.74000 Box	R2	Box	Active	Board Level	TO-247	Clip and PC Pin	Rectangular, Fins	1.500" (38.10mm)	1.380" (35.05mm)	-	0.870" (22.10mm)	2.0W @ 20°C	1.00°C/W @ 800 LFM	8.60°C/W	Aluminum	Black Anodized
C40-058-VE HEATSINK FOR TO-247 TO-264 Ohmite	215 In Stock	1 : ¥32.93000 Box	C40	Box	Active	Board Level, Vertical	TO-247, TO-264, SOT-227	Clip and Board Mounts	Rectangular, Fins	2.283" (58.00mm)	1.724" (43.79mm)	-	1.260" (32.00mm)	-	-	-	Aluminum	Degreased
PA-T22-38E DUAL PIN FIN HEATSINK 2 CLIPS Ohmite	1,932 In Stock	1 : ¥64.31000 Box	P	Box	Active	Board Level, Vertical	TO-220, TO-247, TO-264	2 Clips and PC Pin	Rectangular, Pin Fins	2.170" (55.12mm)	1.240" (31.50mm)	-	1.520" (38.61mm)	-	-	3.13°C/W	Aluminum	Black Anodized
EA-T220-64E HEATSINK FOR TO-220 BLACK Ohmite	3,900 In Stock	1 : ¥14.23000 Box	E	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	2.500" (63.50mm)	1.378" (35.00mm)	-	0.500" (12.70mm)	6.0W @ 40°C	4.00°C/W @ 500 LFM	8.00°C/W	Aluminum	Black Anodized
E3A-T220-25E BLACK ANODIZED HEATSINK Ohmite	428 In Stock	1 : ¥16.83000 Bulk	EX	Bulk	Active	Board Level	Bridge Rectifiers	Bolt On	Square, Fins	1.000" (25.40mm)	1.000" (25.40mm)	-	1.000" (25.40mm)	-	-	12.40°C/W	Aluminum	Black Anodized
E2A-T247-38E BLACK ANODIZED HEATSINK Ohmite	295 In Stock	1 : ¥17.89000 Box	EX	Box	Active	Board Level, Vertical	TO-247	Bolt On and Board Mounts	Rectangular, Fins	0.641" (16.28mm)	0.642" (16.30mm)	-	1.500" (38.10mm)	4.0W @ 70°C	4.00°C/W @ 300 LFM	14.00°C/W	Aluminum	Black Anodized
DV-T268-301E-TR HEATSINK FOR TO-268 Ohmite	4,527 In Stock	1 : ¥17.97000 Cut Tape (CT) 200 : ¥11.69090 Tape & Reel (TR)	D	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Top Mount	TO-268 (D³Pak)	Solderable Feet	Rectangular, Fins	0.500" (12.70mm)	1.580" (40.13mm)	-	0.460" (11.68mm)	7.0W @ 35°C	4.00°C/W @ 700 LFM	-	Aluminum	Degreased
E2A-T220-38E BLACK ANODIZED HEATSINK Ohmite	346 In Stock	1 : ¥18.13000 Bulk	EX	Bulk	Active	Board Level, Vertical	TO-220	Bolt On and Board Mounts	Rectangular, Fins	0.641" (16.28mm)	0.642" (16.30mm)	-	1.500" (38.10mm)	3.0W @ 50°C	5.00°C/W @ 200 LFM	14.00°C/W	Aluminum	Black Anodized
DA-T268-301E-TR HEATSINK FOR TO-268 Ohmite	3,023 In Stock	1 : ¥19.51000 Cut Tape (CT) 200 : ¥16.43165 Tape & Reel (TR)	D	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Top Mount	TO-268 (D³Pak)	Solderable Feet	Rectangular, Fins	0.500" (12.70mm)	1.580" (40.13mm)	-	0.460" (11.68mm)	7.0W @ 35°C	4.00°C/W @ 700 LFM	-	Aluminum	Black Anodized
RA-T2X-51E HEATSINK TO-218,TO-220,TO-247 Ohmite	2,058 In Stock	1 : ¥20.00000 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
WA-T264-101E HEATSINK W/CLIP FOR TO-264 Ohmite	3,840 In Stock	1 : ¥21.38000 Box	W	Box	Active	Board Level, Vertical	TO-264	Clip and PC Pin	Rectangular, Fins	1.260" (32.00mm)	0.921" (23.40mm)	-	0.630" (16.00mm)	1.0W @ 20°C	8.00°C/W @ 500 LFM	11.00°C/W	Aluminum	Black Anodized
FA-T220-64E HEATSINK TO-218,TO-220,TO-247 Ohmite	813 In Stock	1 : ¥23.33000 Box	F	Box	Active	Board Level, Vertical	TO-218, TO-220, TO-247	Bolt On and PC Pin	Rectangular, Fins	2.500" (63.50mm)	1.638" (41.60mm)	-	0.984" (25.00mm)	10.0W @ 50°C	2.00°C/W @ 300 LFM	3.00°C/W	Aluminum	Black Anodized
C247-025-1VE HEATSINK FOR TO-247 WITH 1 CLIP Ohmite	943 In Stock	1 : ¥26.83000 Box	C	Box	Active	Board Level, Vertical	TO-247	Clip and PC Pin	Rectangular, Fins	0.984" (25.00mm)	1.500" (38.10mm)	-	0.710" (18.03mm)	5.0W @ 60°C	6.00°C/W @ 350 LFM	-	Aluminum	Degreased
CR101-50AE ALUMINUM HEATSINK 50MM BLK ANODI Ohmite	1,327 In Stock	1 : ¥31.14000 Box	CR	Box	Active	Board Level, Vertical	TO-101	3 Clips and PC Pin	Rectangular, Fins	1.969" (50.00mm)	1.969" (50.00mm)	-	-	-	-	5.30°C/W	Aluminum Alloy	Black Anodized
RA-T2X-64E HEATSINK TO-218,TO-220,TO-247 Ohmite	966 In Stock	1 : ¥32.03000 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
VXA-55-101E EXTRUDED HEATSINK ANODIZED 55MM Ohmite	274 In Stock	1 : ¥39.75000 Box	VX	Box	Active	Board Level	SOT-227	Bolt On	Rectangular, Angled Fins	1.917" (48.70mm)	2.165" (55.00mm)	-	1.181" (30.00mm)	-	-	-	Aluminum	Black Anodized

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Ohmite 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.

Ohmite Heat Sinks

Ohmite Heat Sinks

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