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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 448 20 1 x M3 L TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	TO-3-P	Screw	Rectangular	0.787" (20.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	6.78W @ 80°C	3.66°C/W	11.8°C/W	Aluminum	Black Anodized
SK 505 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 505	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	3.937" (100.00mm)	-	0.591" (15.00mm)	29.74W @ 80°C	0.74°C/W	2.69°C/W	Aluminum	-
SK 499 75 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 499	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.996" (50.70mm)	-	1.260" (32.00mm)	27.97W @ 80°C	0.79°C/W	2.86°C/W	Aluminum	-
SK 487 37,5 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 487	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.969" (50.00mm)	-	1.102" (28.00mm)	25.97W @ 80°C	0.87°C/W	3.08°C/W	Aluminum	Natural Anodized
SK 483 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 483	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	2.244" (57.00mm)	-	1.102" (28.00mm)	24.62W @ 80°C	1.01°C/W	3.25°C/W	Aluminum	Black Anodized
SK 483 37,5 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 483	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	2.244" (57.00mm)	-	1.102" (28.00mm)	22.35W @ 80°C	1.01°C/W	3.58°C/W	Aluminum	Natural Anodized
SK 641 37,5 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 641	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.575" (40.00mm)	-	2.205" (56.00mm)	21W @ 80°C	1.05°C/W	3.81°C/W	Aluminum	-
SK 500 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 500	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	4.134" (105.00mm)	-	1.535" (39.00mm)	48.17W @ 105°C	0.6°C/W	2.18°C/W	Aluminum	-
SK 487 37,5 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 487	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.969" (50.00mm)	-	1.102" (28.00mm)	28.57W @ 80°C	0.87°C/W	2.8°C/W	Aluminum	Black Anodized
SK 508 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 508	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	3.937" (100.00mm)	-	0.984" (25.00mm)	32.52W @ 80°C	0.68°C/W	2.46°C/W	Aluminum	-

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