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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 653 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 653	-	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.827" (21.00mm)	-	0.551" (14.00mm)	5.67W @ 80°C	4.37°C/W	14.1°C/W	Aluminum	Black Anodized
SK 437 25 STS TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 437	Bulk	Active	Board Level, Extrusion	TO-248	Screw	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 437 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 437	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 437 25 STS TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 437	Bulk	Active	Board Level, Extrusion	TO-218	Screw	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 437 25 STC TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 437	Bulk	Active	Board Level, Extrusion	TO-247	Clip	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 437 25 STS TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 437	Bulk	Active	Board Level, Extrusion	TO-247	Screw	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 437 25 STC TO 218 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 437	Bulk	Active	Board Level, Extrusion	TO-218	Clip	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.630" (16.00mm)	3.33W @ 80°C	7.44°C/W	24°C/W	Aluminum	Black Anodized
SK 494 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 494	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.437" (36.50mm)	-	0.236" (6.00mm)	5.82W @ 80°C	3.88°C/W	13.75°C/W	Aluminum	Natural Anodized
SK 505 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 505	-	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	3.937" (100.00mm)	-	0.591" (15.00mm)	30.3W @ 80°C	0.74°C/W	2.64°C/W	Aluminum	Natural Anodized
SK 505 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 505	-	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	3.937" (100.00mm)	-	0.591" (15.00mm)	33.33W @ 80°C	0.74°C/W	2.4°C/W	Aluminum	Black Anodized

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