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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 431 3 TO 220 Extruded Heatsink (U-shape) Fischer Elektronik	1,000	RFQ	Datasheet	SK 431	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	0.984" (25.00mm)	0.630" (16.00mm)	-	0.433" (11.00mm)	4.44W @ 80°C	5.58°C/W	18°C/W	Aluminum	Black Anodized
SK 499 25 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 499	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	1.996" (50.70mm)	-	1.260" (32.00mm)	27.97W @ 80°C	0.79°C/W	2.86°C/W	Aluminum	-
SK 554 75 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 554	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	10.39W @ 80°C	2.39°C/W	7.7°C/W	Aluminum	Black Anodized
SK 13 35 SA 220 3,5 TO 220 Extruded Heatsink (U-shape) Fischer Elektronik	1,000	RFQ	Datasheet	SK 13	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	1.378" (35.00mm)	0.669" (17.00mm)	-	0.512" (13.00mm)	4.71W @ 80°C	5.27°C/W	17°C/W	Aluminum	Black Anodized
SK 492 50 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 492	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.659" (16.75mm)	-	1.024" (26.00mm)	10.5W @ 80°C	2.11°C/W	7.62°C/W	Aluminum	-
SK 509 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 509	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.417" (36.00mm)	-	0.484" (12.30mm)	14.55W @ 80°C	1.7°C/W	5.5°C/W	Aluminum	Black Anodized
SK 122 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 122	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.772" (45.00mm)	-	0.492" (12.50mm)	16W @ 80°C	1.55°C/W	5°C/W	Aluminum	Black Anodized
SK 563 50 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 563	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.457" (37.00mm)	-	0.236" (6.00mm)	7.27W @ 80°C	3.41°C/W	11°C/W	Aluminum	Black Anodized
SK 633 25 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 633	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.748" (19.00mm)	-	0.551" (14.00mm)	4.79W @ 80°C	4.62°C/W	16.69°C/W	Aluminum	-
SK 632 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 632	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.748" (19.00mm)	-	0.394" (10.00mm)	3.64W @ 80°C	6.08°C/W	21.95°C/W	Aluminum	-

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