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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 129 38,1 STSB TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	-	Active	Board Level, Extrusion	TO-220	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 65 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 65	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.126" (54.00mm)	-	0.886" (22.50mm)	22.22W @ 80°C	1.12°C/W	3.6°C/W	Aluminum	Black Anodized
SK 125 84 SA Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 125	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.307" (84.00mm)	1.181" (30.00mm)	-	1.102" (28.00mm)	12.31W @ 80°C	2.02°C/W	6.5°C/W	Aluminum	Black Anodized
SK 105 37,5 ME Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 105	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	6.260" (159.00mm)	-	0.394" (10.00mm)	38.18W @ 105°C	0.78°C/W	2.75°C/W	Aluminum	Natural Anodized
SK 125 84 ME Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 125	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.307" (84.00mm)	1.181" (30.00mm)	-	1.102" (28.00mm)	11.19W @ 80°C	2.02°C/W	7.15°C/W	Aluminum	Natural Anodized
SK 105 37,5 SA Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 105	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	6.260" (159.00mm)	-	0.394" (10.00mm)	42W @ 105°C	0.78°C/W	2.5°C/W	Aluminum	Black Anodized
SK 129 38,1 STSB SOT 32 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 129	-	Active	Board Level, Extrusion	SOT-32	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 639 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 639	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	23.19W @ 80°C	1.07°C/W	3.45°C/W	Aluminum	Black Anodized
SK 180 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 180	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.100" (53.35mm)	-	0.650" (16.50mm)	17.86W @ 80°C	1.24°C/W	4.48°C/W	Aluminum	-
SK 472 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 472	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.634" (41.50mm)	-	0.866" (22.00mm)	16.23W @ 80°C	1.36°C/W	4.93°C/W	Aluminum	-

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