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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 635 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 635	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.299" (33.00mm)	-	0.394" (10.00mm)	5.59W @ 80°C	4.03°C/W	14.3°C/W	Aluminum	Natural Anodized
SK 638 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 638	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.406" (10.30mm)	-	1.575" (40.00mm)	13.68W @ 80°C	1.81°C/W	5.85°C/W	Aluminum	Black Anodized
SK 636 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 636	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.299" (33.00mm)	-	0.551" (14.00mm)	5.9W @ 80°C	3.75°C/W	13.55°C/W	Aluminum	-
SK 638 37,5 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 638	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.406" (10.30mm)	-	1.575" (40.00mm)	12.42W @ 80°C	1.81°C/W	6.44°C/W	Aluminum	Natural Anodized
SK 505 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 505	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	3.937" (100.00mm)	-	0.591" (15.00mm)	33.33W @ 80°C	0.74°C/W	2.4°C/W	Aluminum	Black Anodized
SK 494 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 494	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.437" (36.50mm)	-	0.236" (6.00mm)	6.4W @ 80°C	3.88°C/W	12.50°C/W	Aluminum	Black Anodized
SK 499 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 499	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.996" (50.70mm)	-	1.260" (32.00mm)	31.37W @ 80°C	0.79°C/W	2.55°C/W	Aluminum	Black Anodized
SK 634 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 634	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.299" (33.00mm)	-	0.236" (6.00mm)	5.84W @ 80°C	4.25°C/W	13.7°C/W	Aluminum	Black Anodized
SK 511 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 511	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.772" (45.00mm)	-	0.236" (6.00mm)	6.96W @ 80°C	3.56°C/W	11.5°C/W	Aluminum	Black Anodized
SK 481 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 481	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	24.24W @ 80°C	1.02°C/W	3.3°C/W	Aluminum	Black Anodized

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