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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 447 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 447	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	12.7W @ 80°C	1.95°C/W	6.3°C/W	Aluminum	Black Anodized
SK 549 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 549	-	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.378" (35.00mm)	-	0.394" (10.00mm)	13.33W @ 80°C	1.86°C/W	6°C/W	Aluminum	Black Anodized
SK 145 20 SA TO 220 Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	0.787" (20.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	9.64W @ 80°C	2.57°C/W	8.3°C/W	Aluminum	Black Anodized
SK 690 25 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 690	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.472" (12.00mm)	-	0.709" (18.00mm)	7.94W @ 80°C	2.79°C/W	10.08°C/W	Aluminum	-
SK 145 20 ME TO 220 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-220	-	Rectangular	0.787" (20.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	8.76W @ 80°C	2.57°C/W	9.13°C/W	Aluminum	Natural Anodized
SK 145 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	6.06W @ 80°C	3.72°C/W	13.2°C/W	Aluminum	Natural Anodized
SK 563 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 563	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.457" (37.00mm)	-	0.236" (6.00mm)	6.49W @ 80°C	3.41°C/W	12.32°C/W	Aluminum	-
SK 448 75 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 448	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.100" (27.95mm)	-	0.492" (12.50mm)	9.52W @ 80°C	2.33°C/W	8.4°C/W	Aluminum	-
SK 575 25 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	Datasheet	SK 575	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.236" (6.00mm)	-	1.969" (50.00mm)	13.75W @ 80°C	1.61°C/W	5.82°C/W	Aluminum	-
SK 145 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	6.67W @ 80°C	3.72°C/W	12°C/W	Aluminum	Black Anodized

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