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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 519 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 519	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	6.988" (177.50mm)	-	1.575" (40.00mm)	93.75W @ 105°C	0.31°C/W	1.12°C/W	Aluminum	-
SK 502 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 502	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	7.784" (200.00mm)	-	1.571" (39.90mm)	116.67W @ 105°C	0.25°C/W	0.9°C/W	Aluminum	Natural Anodized
SK 502 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 502	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	7.784" (200.00mm)	-	1.571" (39.90mm)	128.05W @ 105°C	0.25°C/W	0.82°C/W	Aluminum	Black Anodized
SK 684 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 684	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	4.331" (110.00mm)	-	1.406" (35.70mm)	79.55W @ 105°C	0.37°C/W	1.32°C/W	Aluminum	Natural Anodized
SK 684 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 684	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	4.331" (110.00mm)	-	1.406" (35.70mm)	87.5W @ 105°C	0.37°C/W	1.2°C/W	Aluminum	Black Anodized
SK 621 200 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 621	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	7.784" (200.00mm)	16.772" (426.00mm)	-	2.264" (57.50mm)	238.64W @ 105°C	0.124°C/W	0.44°C/W	Aluminum	Natural Anodized
SK 621 200 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 621	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	7.784" (200.00mm)	16.772" (426.00mm)	-	2.264" (57.50mm)	262.5W @ 105°C	0.124°C/W	0.4°C/W	Aluminum	Black Anodized
SK 668 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 668	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	2.559" 65.00mm)	-	2.756" (70.00mm)	32.52W @ 80°C	0.68°C/W	2.46°C/W	Aluminum	-
SK 503 1000 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 503	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	100W @ 105°C	0.33°C/W	1.05°C/W	Aluminum	Black Anodized
SK 503 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 503	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	90.52W @ 105°C	0.33°C/W	1.16°C/W	Aluminum	Natural Anodized

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