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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 33 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 33	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	4.496" (114.20mm)	-	4.508" (114.50mm)	134.62W @ 105°C	0.22°C/W	0.78°C/W	Aluminum	-
SK 89 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 89	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.150" (80.00mm)	-	3.094" (78.60mm)	54.79W @ 80°C	0.4°C/W	1.46°C/W	Aluminum	-
SK 617 100 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 617	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.972" (75.50mm)	-	2.591" (65.80mm)	30.77W @ 80°C	0.81°C/W	2.6°C/W	Aluminum	Black Anodized
SK 503 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 503	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	100W @ 105°C	0.33°C/W	1.05°C/W	Aluminum	Black Anodized
SK 503 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 503	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	6.299" (160.00mm)	-	1.575" (40.00mm)	90.52W @ 105°C	0.33°C/W	1.16°C/W	Aluminum	Natural Anodized
SK 519 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 519	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	6.988" (177.50mm)	-	1.575" (40.00mm)	93.75W @ 105°C	0.31°C/W	1.12°C/W	Aluminum	-
SK 617 100 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 617	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.972" (75.50mm)	-	2.591" (65.80mm)	27.97W @ 80°C	0.81°C/W	2.86°C/W	Aluminum	Natural Anodized
SK 42 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 42	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.784" (200.00mm)	-	0.984" (25.00mm)	79.55W @ 105°C	0.37°C/W	1.32°C/W	Aluminum	Natural Anodized
SK 42 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 42	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	7.784" (200.00mm)	-	0.984" (25.00mm)	87.5W @ 105°C	0.37°C/W	1.2°C/W	Aluminum	Black Anodized
SK 145 1000 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	39.370" (1000.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	8.76W @ 80°C	2.57°C/W	9.13°C/W	Aluminum	Natural Anodized

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