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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 121 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 121	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	4.409" (112.00mm)	-	2.657" (67.50mm)	83.33W @ 105°C	0.36°C/W	1.26°C/W	Aluminum	Natural Anodized
SK 468 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 468	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	2.008" (51.00mm)	-	0.484" (12.30mm)	14.13W @ 80°C	1.57°C/W	5.66°C/W	Aluminum	-
SK 635 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 635	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.299" (33.00mm)	-	0.394" (10.00mm)	6.15W @ 80°C	4.03°C/W	13°C/W	Aluminum	Black Anodized
SK 635 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 635	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.299" (33.00mm)	-	0.394" (10.00mm)	5.59W @ 80°C	4.03°C/W	14.3°C/W	Aluminum	Natural Anodized
SK 447 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 447	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	11.54W @ 80°C	1.95°C/W	6.93°C/W	Aluminum	Natural Anodized
SK 178 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 178	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.358" (34.50mm)	-	0.650" (16.50mm)	13.22W @ 80°C	1.67°C/W	6.05°C/W	Aluminum	-
SK 177 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 177	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.100" (27.95mm)	-	0.600" (15.24mm)	14.29W @ 80°C	1.74°C/W	5.6°C/W	Aluminum	Black Anodized
SK 78 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 78	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	2.362" (60.00mm)	-	0.591" (15.00mm)	15.87W @ 80°C	1.4°C/W	5.04°C/W	Aluminum	-
SK 447 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 447	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	12.7W @ 80°C	1.95°C/W	6.3°C/W	Aluminum	Black Anodized
SK 177 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 177	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.100" (27.95mm)	-	0.600" (15.24mm)	12.99W @ 80°C	1.74°C/W	6.16°C/W	Aluminum	Natural Anodized

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