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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 623 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 623	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	6.850" (174.00mm)	-	2.972" (75.50mm)	125W @ 105°C	0.23°C/W	0.84°C/W	Aluminum	-
SK 155 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 155	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	5.906" (150.00mm)	-	1.969" (50.00mm)	116.67W @ 105°C	0.28°C/W	0.9°C/W	Aluminum	Black Anodized
SK 155 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 155	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	5.906" (150.00mm)	-	1.969" (50.00mm)	106.06W @ 105°C	0.28°C/W	0.99°C/W	Aluminum	Natural Anodized
SK 588 150 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 588	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	5.906" (150.00mm)	5.906" (150.00mm)	-	1.555" (39.50mm)	103.96W @ 105°C	0.28°C/W	1.01°C/W	Aluminum	-
SK 490 1000 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 490	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.969" (50.00mm)	-	0.433" (11.00mm)	15.53W @ 80°C	1.43°C/W	5.15°C/W	Aluminum	-
SK 627 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 627	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	6.299" (160.00mm)	-	3.228" (82.00mm)	141.89W @ 105°C	0.2°C/W	0.74°C/W	Aluminum	-
SK 179 1000 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 179	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.500" (38.10mm)	-	0.650" (16.50mm)	14.29W @ 80°C	1.55°C/W	5.6°C/W	Aluminum	-
SK 629 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 629	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.402" (188.00mm)	-	1.181" (30.00mm)	83.33W @ 105°C	0.39°C/W	1.26°C/W	Aluminum	Black Anodized
SK 629 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 629	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.402" (188.00mm)	-	1.181" (30.00mm)	75.54W @ 105°C	0.39°C/W	1.39°C/W	Aluminum	Natural Anodized
SK 124 150 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 124	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	5.906" (150.00mm)	5.512" (140.00mm)	-	1.299" (33.00mm)	70W @ 105°C	0.46°C/W	1.5°C/W	Aluminum	Black Anodized
SK 124 150 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 124	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	5.906" (150.00mm)	5.512" (140.00mm)	-	1.299" (33.00mm)	63.64W @ 105°C	0.46°C/W	1.65°C/W	Aluminum	Natural Anodized
SK 85 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 85	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	83.33W @ 105°C	0.36°C/W	1.26°C/W	Aluminum	Natural Anodized
SK 85 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 85	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	91.3W @ 105°C	0.36°C/W	1.15°C/W	Aluminum	Black Anodized
SK 645 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 645	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.740" (95.00mm)	-	2.756" (70.00mm)	51.61W @ 80°C	0.48°C/W	1.55°C/W	Aluminum	Black Anodized
SK 645 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 645	-	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.740" (95.00mm)	-	2.756" (70.00mm)	46.78W @ 80°C	0.48°C/W	1.71°C/W	Aluminum	Natural Anodized
SK 90 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 90	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.480" (190.00mm)	-	1.969" (50.00mm)	131.25W @ 105°C	0.25°C/W	0.8°C/W	Aluminum	Black Anodized
SK 682 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 682	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	11.276" (286.40mm)	-	0.787" (20.00mm)	90.52W @ 105°C	0.33°C/W	1.16°C/W	Aluminum	Natural Anodized
SK 682 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 682	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	11.276" (286.40mm)	-	0.787" (20.00mm)	100W @ 105°C	0.33°C/W	1.05°C/W	Aluminum	Black Anodized
SK 90 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 90	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.480" (190.00mm)	-	1.969" (50.00mm)	119.32W @ 105°C	0.25°C/W	0.88°C/W	Aluminum	Natural Anodized
SK 47 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 47	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.784" (200.00mm)	-	1.575" (40.00mm)	110.53W @ 105°C	0.26°C/W	0.95°C/W	Aluminum	-

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