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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 679 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 679	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.646" (41.80mm)	-	1.614" (41.00mm)	26.49W @ 80°C	0.84°C/W	3.02°C/W	Aluminum	-
SK 181 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 181	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	22.86W @ 80°C	1.08°C/W	3.5°C/W	Aluminum	Black Anodized
SK 97 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 97	-	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	2.835" (72.00mm)	-	0.925" (23.50mm)	35.56W @ 80°C	0.7°C/W	2.25°C/W	Aluminum	Black Anodized
SK 452 40 2 x M3 TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 452	Bulk	Active	Board Level, Extrusion	TO-3-P	-	Rectangular	1.575" (40.00mm)	1.142" (29.00mm)	-	0.984" (25.00mm)	10.67W @ 80°C	2.33°C/W	7.5°C/W	Aluminum	Black Anodized
SK 452 40 2 x M3 TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 452	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	1.575" (40.00mm)	1.142" (29.00mm)	-	0.984" (25.00mm)	10.67W @ 80°C	2.33°C/W	7.5°C/W	Aluminum	Black Anodized
SK 63 37,5 AL CB TO 66 Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 63	Bulk	Active	Board Level, Extrusion	TO-66	-	Rectangular	1.476" (37.50mm)	2.559" 65.00mm)	-	1.063" (27.00mm)	28.57W @ 80°C	0.78°C/W	2.8°C/W	Aluminum	-
SK 452 40 4 x M3 TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 452	Bulk	Active	Board Level, Extrusion	TO-218	Screw	Rectangular	1.575" (40.00mm)	1.142" (29.00mm)	-	0.984" (25.00mm)	10.67W @ 80°C	2.33°C/W	7.5°C/W	Aluminum	Black Anodized
SK 448 60 3 x M3 L TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-218	-	Rectangular	2.362" (60.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	11.27W @ 80°C	2.2°C/W	7.1°C/W	Aluminum	Black Anodized
SK 104 63,5 STSB TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 104	-	Active	Board Level, Extrusion	TO-3-P	Screw	Rectangular	2.500" (63.50mm)	1.374" (34.90mm)	-	0.500" (12.70mm)	10W @ 80°C	2.48°C/W	8°C/W	Aluminum	Black Anodized
SK 448 60 3 x M3 L TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-248	-	Rectangular	2.362" (60.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	11.27W @ 80°C	2.2°C/W	7.1°C/W	Aluminum	Black Anodized

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