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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
FK 266 MI 220 O TO 220 Fans, Blower, Thermal Management Fischer Elektronik	1,000	RFQ	Datasheet	FK 266	Bulk	Active	Board Level	TO-220	Clip	Rectangular	1.024" (26.00mm)	0.906" (23.00mm)	-	0.331" (8.40mm)	3.6W	-	22.20°C/W	Copper	-
FK 270 MI 220 V TO 220 Fans, Blower, Thermal Management Fischer Elektronik	1,000	RFQ	Datasheet	FK 270	Bulk	Active	Board Level, Vertical	TO-220	Clip and Solder Pin	Rectangular	1.181" (30.00mm)	0.906" (23.00mm)	-	0.606" (15.40mm)	3.9W	-	20.40°C/W	Copper	-
SK 420 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 420	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.575" (40.00mm)	-	0.315" (8.00mm)	11.43W @ 80°C	2.17°C/W	7°C/W	Aluminum	Black Anodized
SK 420 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 420	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.575" (40.00mm)	-	0.315" (8.00mm)	10.2W @ 80°C	2.17°C/W	7.84°C/W	Aluminum	-
SK 427 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 427	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	2.000" (50.80mm)	-	0.315" (8.00mm)	10.2W @ 80°C	2.17°C/W	7.84°C/W	Aluminum	-
SK 420 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 420	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.575" (40.00mm)	-	0.315" (8.00mm)	10.39W @ 80°C	2.17°C/W	7.7°C/W	Aluminum	Natural Anodized
SK 145 25 ME TO 220 Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	0.984" (25.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	5.39W @ 80°C	4.19°C/W	14.85°C/W	Aluminum	Natural Anodized
SK 400 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 400	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.299" (33.00mm)	-	0.394" (10.00mm)	10.54W @ 80°C	2.14°C/W	7.59°C/W	Aluminum	Natural Anodized
SK 400 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 400	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.299" (33.00mm)	-	0.394" (10.00mm)	11.59W @ 80°C	2.14°C/W	6.9°C/W	Aluminum	Black Anodized
SK 550 100 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 550	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.142" (29.00mm)	-	0.453" (11.50mm)	8.93W @ 80°C	2.48°C/W	8.96°C/W	Aluminum	-

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