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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 575 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 575	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.236" (6.00mm)	-	1.969" (50.00mm)	15.38W @ 80°C	1.61°C/W	5.2°C/W	Aluminum	Black Anodized
SK 448 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	9.7W @ 80°C	2.33°C/W	8.25°C/W	Aluminum	Natural Anodized
SK 558 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 558	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.551" (14.00mm)	-	0.551" (14.00mm)	9.09W @ 80°C	2.48°C/W	8.8°C/W	Aluminum	Natural Anodized
SK 575 37,5 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 575	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.236" (6.00mm)	-	1.969" (50.00mm)	13.99W @ 80°C	1.61°C/W	5.72°C/W	Aluminum	Natural Anodized
SK 558 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 558	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.551" (14.00mm)	-	0.551" (14.00mm)	10W @ 80°C	2.48°C/W	8°C/W	Aluminum	Black Anodized
SK 633 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 633	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.748" (19.00mm)	-	0.551" (14.00mm)	4.79W @ 80°C	4.62°C/W	16.69°C/W	Aluminum	-
SK 145 50 STS TO 220 TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-218	Screw	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 145 50 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-220	Screw	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 145 50 STS TO 220 TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	TO-248	Screw	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 145 50 STS TO 220 TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-247	Screw	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

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