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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 463 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 463	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	5.118" (130.00mm)	-	0.984" (25.00mm)	70.47W @ 105°C	0.42°C/W	1.49°C/W	Aluminum	Natural Anodized
SK 521 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 521	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	0.602" (15.30mm)	-	0.315" (8.00mm)	3.42W @ 80°C	6.48°C/W	23.41°C/W	Aluminum	-
SK 463 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 463	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	5.118" (130.00mm)	-	0.984" (25.00mm)	77.78W @ 105°C	0.42°C/W	1.35°C/W	Aluminum	Black Anodized
SK 407 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 407	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	3.268" (83.00mm)	-	0.984" (25.00mm)	33.06W @ 80°C	0.68°C/W	2.42°C/W	Aluminum	Natural Anodized
SK 664 100 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 664	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.575" (40.00mm)	-	2.362" (60.00mm)	22.32W @ 80°C	0.99°C/W	3.584°C/W	Aluminum	-
SK 641 75 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 641	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.575" (40.00mm)	-	2.205" (56.00mm)	21.39W @ 80°C	1.05°C/W	3.74°C/W	Aluminum	Natural Anodized
SK 641 75 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 641	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.575" (40.00mm)	-	2.205" (56.00mm)	23.53W @ 80°C	1.05°C/W	3.4°C/W	Aluminum	Black Anodized
SK 407 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 407	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	3.268" (83.00mm)	-	0.984" (25.00mm)	36.36W @ 80°C	0.68°C/W	2.2°C/W	Aluminum	Black Anodized
SK 640 75 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 640	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.181" (30.00mm)	-	2.323" (59.00mm)	22.86W @ 80°C	1.08°C/W	3.5°C/W	Aluminum	Black Anodized
SK 704 75 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 704	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.299" (33.00mm)	-	2.087" (53.00mm)	21.05W @ 80°C	1.18°C/W	3.8°C/W	Aluminum	Black Anodized

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