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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 494 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 494	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.437" (36.50mm)	-	0.236" (6.00mm)	5.71W @ 80°C	3.88°C/W	14.00°C/W	Aluminum	-
SK 582 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 582	-	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.906" (23.00mm)	-	0.394" (10.00mm)	5.59W @ 80°C	4.03°C/W	14.30°C/W	Aluminum	Natural Anodized
SK 75 25 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 75	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	1.260" (32.00mm)	-	0.551" (14.00mm)	6.4W @ 80°C	3.88°C/W	12.5°C/W	Aluminum	Black Anodized
SK 675 25 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 675	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.744" (18.90mm)	-	0.189" (4.80mm)	3.25W @ 80°C	6.82°C/W	24.64°C/W	Aluminum	-
SK 552 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 552	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	0.551" (14.00mm)	-	0.394" (10.00mm)	7.42W @ 80°C	3.04°C/W	10.78°C/W	Aluminum	Natural Anodized
SK 552 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 552	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	0.551" (14.00mm)	-	0.394" (10.00mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized
SK 456 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 456	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.575" (40.00mm)	-	0.236" (6.00mm)	7.27W @ 80°C	3.41°C/W	11°C/W	Aluminum	Black Anodized
SK 550 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 550	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.453" (11.50mm)	9.09W @ 80°C	2.48°C/W	8.8°C/W	Aluminum	Natural Anodized
SK 456 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 456	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.575" (40.00mm)	-	0.236" (6.00mm)	6.61W @ 80°C	3.41°C/W	12.1°C/W	Aluminum	Natural Anodized
SK 437 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 437	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	7.94W @ 80°C	2.79°C/W	10.08°C/W	Aluminum	-

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