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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 65 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 65	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.126" (54.00mm)	-	0.886" (22.50mm)	20.2W @ 80°C	1.12°C/W	3.96°C/W	Aluminum	Natural Anodized
SK 129 38,1 STSB TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	-	Active	Board Level, Extrusion	TO-3-P	Screw	Rectangular	1.500" (38.10mm)	1.654" (42.00mm)	-	0.984" (25.00mm)	12.31W @ 80°C	2.02°C/W	6.5°C/W	Aluminum	Black Anodized
SK 456 60 3 x M3 L TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 456	Bulk	Active	Board Level, Extrusion	TO-248	-	Rectangular	2.362" (60.00mm)	1.575" (40.00mm)	-	0.236" (6.00mm)	9.41W @ 80°C	2.64°C/W	8.5°C/W	Aluminum	Black Anodized
SK 456 60 3 x M3 L TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 456	Bulk	Active	Board Level, Extrusion	TO-218	-	Rectangular	2.362" (60.00mm)	1.575" (40.00mm)	-	0.236" (6.00mm)	9.41W @ 80°C	2.64°C/W	8.5°C/W	Aluminum	Black Anodized
SK 448 40 2 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	1.575" (40.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized
SK 456 60 3 x M3 L TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 456	Bulk	Active	Board Level, Extrusion	TO-3-P	-	Rectangular	2.362" (60.00mm)	1.575" (40.00mm)	-	0.236" (6.00mm)	9.41W @ 80°C	2.64°C/W	8.5°C/W	Aluminum	Black Anodized
SK 448 40 2 x M3 L TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-3-P	-	Rectangular	1.575" (40.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized
SK 448 40 2 x M3 L TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	1.575" (40.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized
SK 448 40 2 x M3 L TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-247	-	Rectangular	1.575" (40.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized
SK 448 40 2 x M3 L TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 448	Bulk	Active	Board Level, Extrusion	TO-218	-	Rectangular	1.575" (40.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	8.16W @ 80°C	3.04°C/W	9.8°C/W	Aluminum	Black Anodized

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