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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 459 25 STSB TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	-	Active	Board Level, Extrusion	TO-218	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 459 25 STSB TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	-	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 69 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 69	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	4.744" (120.50mm)	-	0.461" (11.70mm)	29.83W @ 105°C	0.99°C/W	3.52°C/W	Aluminum	Natural Anodized
SK 08 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 08	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	3.465" (88.00mm)	-	1.378" (35.00mm)	39.6W @ 80°C	0.56°C/W	2.02°C/W	Aluminum	-
SK 459 25 STSB TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	-	Active	Board Level, Extrusion	TO-248	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 679 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 679	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.646" (41.80mm)	-	1.614" (41.00mm)	26.94W @ 80°C	0.84°C/W	2.97°C/W	Aluminum	Natural Anodized
SK 459 25 STSB TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	-	Active	Board Level, Extrusion	TO-247	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 680 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 680	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.283" (58.00mm)	-	0.551" (14.00mm)	15.09W @ 80°C	1.64°C/W	5.3°C/W	Aluminum	Black Anodized
SK 680 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 680	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.283" (58.00mm)	-	0.551" (14.00mm)	13.72W @ 80°C	1.64°C/W	5.83°C/W	Aluminum	Natural Anodized
SK 129 25,4 STCB TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	-	Active	Board Level, Extrusion	TO-220	Clip	Rectangular	1.000" (25.40mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	10.26W @ 80°C	2.42°C/W	7.8°C/W	Aluminum	Black Anodized

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