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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 69 50 AL TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 69	Bulk	Active	Board Level, Extrusion	TO-3	-	Rectangular	1.969" (50.00mm)	4.744" (120.50mm)	-	0.461" (11.70mm)	29.33W @ 105°C	0.99°C/W	3.58°C/W	Aluminum	-
SK 459 25 STCB TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 459	-	Active	Board Level, Extrusion	TO-248	Clip	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 459 25 STCB TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	-	Active	Board Level, Extrusion	TO-220	Clip	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 69 50 AL CB TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 69	-	Active	Board Level, Extrusion	TO-3	-	Rectangular	1.969" (50.00mm)	4.744" (120.50mm)	-	0.461" (11.70mm)	29.33W @ 105°C	0.99°C/W	3.58°C/W	Aluminum	-
SK 636 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 636	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.299" (33.00mm)	-	0.551" (14.00mm)	6.61W @ 80°C	3.75°C/W	12.1°C/W	Aluminum	Black Anodized
SK 197 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 197	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	5.709" (145.00mm)	-	1.283" (32.60mm)	66.88W @ 105°C	0.43°C/W	1.57°C/W	Aluminum	-
SK 636 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 636	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.299" (33.00mm)	-	0.551" (14.00mm)	6.01W @ 80°C	3.75°C/W	13.31°C/W	Aluminum	Natural Anodized
SK 638 100 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 638	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.406" (10.30mm)	-	1.575" (40.00mm)	13.68W @ 80°C	1.81°C/W	5.85°C/W	Aluminum	Black Anodized
SK 638 100 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 638	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.406" (10.30mm)	-	1.575" (40.00mm)	12.42W @ 80°C	1.81°C/W	6.44°C/W	Aluminum	Natural Anodized
SK 609 84 ME Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 609	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.307" (84.00mm)	1.181" (30.00mm)	-	1.220" (31.00mm)	12.12W @ 80°C	1.86°C/W	6.6°C/W	Aluminum	Natural Anodized

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