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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 18 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 18	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.559" 65.00mm)	-	0.845" (24.00mm)	25.97W @ 80°C	0.85°C/W	3.08°C/W	Aluminum	-
SK 681 37,5 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 681	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.650" (16.50mm)	-	1.575" (40.00mm)	17.43W @ 80°C	1.27°C/W	4.59°C/W	Aluminum	-
SK 545 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 545	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.150" (80.00mm)	-	0.394" (10.00mm)	10.99W @ 80°C	2.217°C/W	7.28°C/W	Aluminum	-
SK 76 25 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 76	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	1.260" (32.00mm)	-	0.787" (20.00mm)	8W @ 80°C	3.1°C/W	10°C/W	Aluminum	Black Anodized
SK 573 50 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 573	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.984" (25.00mm)	-	1.181" (30.00mm)	20W @ 80°C	1.24°C/W	4°C/W	Aluminum	Black Anodized
SK 575 75 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 575	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	0.236" (6.00mm)	-	1.969" (50.00mm)	13.75W @ 80°C	1.61°C/W	5.82°C/W	Aluminum	-
SK 697 37,5 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 697	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.181" (30.00mm)	-	1.378" (35.00mm)	14.29W @ 80°C	1.55°C/W	5.6°C/W	Aluminum	-
SK 573 50 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 573	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.984" (25.00mm)	-	1.181" (30.00mm)	18.18W @ 80°C	1.24°C/W	4.4°C/W	Aluminum	Natural Anodized
SK 409 38,1 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 409	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	1.500" (38.10mm)	1.772" (45.00mm)	-	0.500" (12.70mm)	11.43W @ 80°C	2.17°C/W	7°C/W	Aluminum	Black Anodized
SK 409 38,1 STS TO 3 P Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 409	Bulk	Active	Board Level, Extrusion	TO-3-P	Screw	Rectangular	1.500" (38.10mm)	1.772" (45.00mm)	-	0.500" (12.70mm)	11.43W @ 80°C	2.17°C/W	7°C/W	Aluminum	Black Anodized

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