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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 485 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 485 ...	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.402" (61.00mm)	-	0.350" (8.90mm)	18.18W @ 80°C	1.24°C/W	4.4°C/W	Aluminum	Natural Anodized
SK 481 75 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 481	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	22.04W @ 80°C	1.02°C/W	3.63°C/W	Aluminum	Natural Anodized
SK 624 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 624	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	3.543" (90.00mm)	-	0.669" (17.00mm)	32.52W @ 80°C	0.68°C/W	2.46°C/W	Aluminum	-
SK 657 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 657	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.449" (36.80mm)	-	0.984" (25.00mm)	15.87W @ 80°C	1.40°C/W	5.04°C/W	Aluminum	-
SK 459 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	Bulk	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 20 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 20	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	3.937" (100.00mm)	-	1.102" (28.00mm)	45.71W @ 80°C	0.54°C/W	1.75°C/W	Aluminum	Black Anodized
SK 459 25 STS TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	Bulk	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 134 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 134	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.358" (34.50mm)	-	1.969" (50.00mm)	20.41W @ 80°C	1.08°C/W	3.92°C/W	Aluminum	-
SK 145 50 STC TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-248	Clip	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	8W @ 80°C	3.1°C/W	10°C/W	Aluminum	Black Anodized
SK 459 25 M STS SIP-Multiwatt Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	SIP	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

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