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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 652 25 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 652	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.827" (21.00mm)	-	0.394" (10.00mm)	4.57W @ 80°C	5.43°C/W	17.5°C/W	Aluminum	Black Anodized
SK 104 50,8 STS SOT 32 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 104	Bulk	Active	Board Level, Extrusion	SOT-32	Screw	Rectangular	2.000" (50.80mm)	1.374" (34.90mm)	-	0.500" (12.70mm)	8.89W @ 80°C	2.79°C/W	9°C/W	Aluminum	Black Anodized
SK 514 37,5 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 514	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.181" (30.00mm)	-	2.047" (52.00mm)	25.48W @ 80°C	0.87°C/W	3.14°C/W	Aluminum	-
SK 409 25,4 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 409	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	1.000" (25.40mm)	1.772" (45.00mm)	-	0.500" (12.70mm)	9.76W @ 80°C	2.54°C/W	8.2°C/W	Aluminum	Black Anodized
SK 652 25 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 652	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.827" (21.00mm)	-	0.394" (10.00mm)	4.16W @ 80°C	5.43°C/W	19.25°C/W	Aluminum	Natural Anodized
SK 409 25,4 STC TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 409	Bulk	Active	Board Level, Extrusion	TO-3-P	Clip	Rectangular	1.000" (25.40mm)	1.772" (45.00mm)	-	0.500" (12.70mm)	9.76W @ 80°C	2.54°C/W	8.2°C/W	Aluminum	Black Anodized
SK 545 50 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 545	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	3.150" (80.00mm)	-	0.394" (10.00mm)	11.19W @ 80°C	2.217°C/W	7.15°C/W	Aluminum	Natural Anodized
SK 677 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 677	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.181" (30.00mm)	-	0.295" (7.50mm)	9.41W @ 80°C	2.64°C/W	8.5°C/W	Aluminum	Black Anodized
SK 104 50,8 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 104	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	2.000" (50.80mm)	1.374" (34.90mm)	-	0.500" (12.70mm)	8.89W @ 80°C	2.79°C/W	9°C/W	Aluminum	Black Anodized
SK 409 25,4 STC TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 409	Bulk	Active	Board Level, Extrusion	TO-220	Clip	Rectangular	1.000" (25.40mm)	1.772" (45.00mm)	-	0.500" (12.70mm)	9.76W @ 80°C	2.54°C/W	8.2°C/W	Aluminum	Black Anodized

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