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

Heat Sinks

Mfr. Part #	Availability	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
SK 631 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 631	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.748" (19.00mm)	-	0.236" (6.00mm)	3.28W @ 80°C	7.56°C/W	24.4°C/W	Aluminum	Black Anodized
SK 104 38,1 STS SOT 32 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 104	Bulk	Active	Board Level, Extrusion	SOT-32	Screw	Rectangular	1.500" (38.10mm)	1.374" (34.90mm)	-	0.500" (12.70mm)	7.27W @ 80°C	3.41°C/W	11°C/W	Aluminum	Black Anodized
SK 653 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 653	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	0.827" (21.00mm)	-	0.551" (14.00mm)	5.06W @ 80°C	4.37°C/W	15.8°C/W	Aluminum	-
SK 560 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 560	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.063" (27.00mm)	-	0.551" (14.00mm)	12.5W @ 80°C	1.98°C/W	6.4°C/W	Aluminum	Black Anodized
SK 631 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 631	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.748" (19.00mm)	-	0.236" (6.00mm)	2.98W @ 80°C	7.56°C/W	26.84°C/W	Aluminum	Natural Anodized
SK 76 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 76	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	1.260" (32.00mm)	-	0.787" (20.00mm)	8W @ 80°C	3.1°C/W	10°C/W	Aluminum	Black Anodized
SK 691 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 691	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.551" (14.00mm)	5.1W @ 80°C	4.34°C/W	15.68°C/W	Aluminum	-
SK 104 38,1 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 104	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	1.500" (38.10mm)	1.374" (34.90mm)	-	0.500" (12.70mm)	7.27W @ 80°C	3.41°C/W	11°C/W	Aluminum	Black Anodized
SK 145 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	7.27W @ 80°C	3.1°C/W	11°C/W	Aluminum	Natural Anodized
SK 560 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 560	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.063" (27.00mm)	-	0.551" (14.00mm)	11.36W @ 80°C	1.98°C/W	7.04°C/W	Aluminum	Natural Anodized

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