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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 589 50 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 589	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.299" (33.00mm)	-	2.618" (66.50mm)	21W @ 80°C	1.05°C/W	3.81°C/W	Aluminum	-
SK 129 63,5 STS TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 129	Bulk	Active	Board Level, Extrusion	TO-3-P	Screw	Rectangular	2.500" (63.50mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	17.78W @ 80°C	1.4°C/W	4.5°C/W	Aluminum	Black Anodized
SK 45 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 45	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.110" (79.00mm)	-	0.591" (15.00mm)	20.41W @ 80°C	1.08°C/W	3.92°C/W	Aluminum	-
SK 545 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 545	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.150" (80.00mm)	-	0.394" (10.00mm)	11.19W @ 80°C	2.217°C/W	7.15°C/W	Aluminum	Natural Anodized
SK 129 63,5 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	2.500" (63.50mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	17.78W @ 80°C	1.4°C/W	4.5°C/W	Aluminum	Black Anodized
SK 129 63,5 STC TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	Bulk	Active	Board Level, Extrusion	TO-220	Clip	Rectangular	2.500" (63.50mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	17.78W @ 80°C	1.4°C/W	4.5°C/W	Aluminum	Black Anodized
SK 129 63,5 STS SOT 32 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 129	Bulk	Active	Board Level, Extrusion	SOT-32	Screw	Rectangular	2.500" (63.50mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	17.78W @ 80°C	1.4°C/W	4.5°C/W	Aluminum	Black Anodized
SK 545 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 545	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.150" (80.00mm)	-	0.394" (10.00mm)	12.31W @ 80°C	2.217°C/W	6.5°C/W	Aluminum	Black Anodized
SK 59 37,5 SA TO 220 Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 59	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	1.476" (37.50mm)	1.681" (42.70mm)	-	0.492" (12.50mm)	13.33W @ 80°C	1.86°C/W	6°C/W	Aluminum	Black Anodized
SK 32 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 32	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.496" (38.00mm)	-	2.126" (54.00mm)	26.94W @ 80°C	0.84°C/W	2.97°C/W	Aluminum	Natural Anodized

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