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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 601 75 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 601	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	5.890" (149.60mm)	-	0.354" (9.00mm)	29.83W @ 105°C	0.99°C/W	3.52°C/W	Aluminum	Natural Anodized
SK 459 50 STIS TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	Datasheet	SK 459	Bulk	Active	Board Level, Extrusion	TO-248	Screw	Rectangular	1.969" (50.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	14.29W @ 80°C	1.74°C/W	5.6°C/W	Aluminum	Black Anodized
SK 666 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 666	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.890" (48.00mm)	-	1.575" (40.00mm)	25.48W @ 80°C	0.87°C/W	3.14°C/W	Aluminum	-
SK 459 50 STIS TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	TO-247	Screw	Rectangular	1.969" (50.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	14.29W @ 80°C	1.74°C/W	5.6°C/W	Aluminum	Black Anodized
SK 641 84 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 641	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.307" (84.00mm)	1.575" (40.00mm)	-	2.205" (56.00mm)	21W @ 80°C	1.05°C/W	3.81°C/W	Aluminum	-
SK 459 50 M STIS SIP-Multiwatt Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	SIP	Screw	Rectangular	1.969" (50.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	14.29W @ 80°C	1.74°C/W	5.6°C/W	Aluminum	Black Anodized
SK 51 75 SA CB SOT 9 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 51	Bulk	Active	Board Level, Extrusion	SOT-9	-	Rectangular	2.953" (75.00mm)	2.362" (60.00mm)	-	0.787" (20.00mm)	21.05W @ 80°C	1.18°C/W	3.8°C/W	Aluminum	Black Anodized
SK 51 75 SA TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 51	Bulk	Active	Board Level, Extrusion	TO-3	-	Rectangular	2.953" (75.00mm)	2.362" (60.00mm)	-	0.787" (20.00mm)	21.05W @ 80°C	1.18°C/W	3.8°C/W	Aluminum	Black Anodized
SK 64 37,5 ME 2 x M3 TO 3 P Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 64	Bulk	Active	Board Level, Extrusion	TO-3-P	-	Rectangular	1.476" (37.50mm)	2.756" (70.00mm)	-	0.984" (25.00mm)	26.94W @ 80°C	0.84°C/W	2.97°C/W	Aluminum	Natural Anodized
SK 45 50 SA CB TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 45	Bulk	Active	Board Level, Extrusion	TO-3	-	Rectangular	1.969" (50.00mm)	3.110" (79.00mm)	-	0.591" (15.00mm)	22.86W @ 80°C	1.08°C/W	3.5°C/W	Aluminum	Black Anodized

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