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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 442 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 442	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	4.724" (120.00mm)	-	1.575" (40.00mm)	63.64W @ 105°C	0.46°C/W	1.65°C/W	Aluminum	Natural Anodized
SK 442 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 442	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	4.724" (120.00mm)	-	1.575" (40.00mm)	70W @ 105°C	0.46°C/W	1.5°C/W	Aluminum	Black Anodized
SK 667 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 667	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.047" (52.00mm)	-	1.575" (40.00mm)	36.36W @ 80°C	0.68°C/W	2.2°C/W	Aluminum	Black Anodized
SK 667 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 667	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.047" (52.00mm)	-	1.575" (40.00mm)	33.06W @ 80°C	0.68°C/W	2.42°C/W	Aluminum	Natural Anodized
SK 49 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 49	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	9.843" (250.00mm)	-	1.102" (28.00mm)	103.96W @ 105°C	0.28°C/W	1.01°C/W	Aluminum	-
SK 476 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 476	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	0.827" (21.00mm)	-	0.236" (6.00mm)	3.46W @ 80°C	6.51°C/W	23.1°C/W	Aluminum	Natural Anodized
SK 477 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 477	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	0.906" (23.00mm)	-	0.236" (6.00mm)	3.73W @ 80°C	6.04°C/W	21.45°C/W	Aluminum	Natural Anodized
SK 476 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 476	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	0.827" (21.00mm)	-	0.236" (6.00mm)	3.81W @ 80°C	6.51°C/W	21°C/W	Aluminum	Black Anodized
SK 477 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 477	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	0.906" (23.00mm)	-	0.236" (6.00mm)	4.1W @ 80°C	6.04°C/W	19.5°C/W	Aluminum	Black Anodized
SK 501 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 501	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	11.811" (300.00mm)	-	1.575" (40.00mm)	233.33W @ 105°C	0.14°C/W	0.45°C/W	Aluminum	Black Anodized

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