Heat Sinks

Mfr. Part #	Availability	Price	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 145 20 AL 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)	8.6W @ 80°C	2.57°C/W	9.3°C/W	Aluminum	-
SK 492 25 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	-	RFQ	-	SK 492	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.659" (16.75mm)	-	1.024" (26.00mm)	10.5W @ 80°C	2.11°C/W	7.62°C/W	Aluminum	-
SK 486 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 486	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.016" (25.80mm)	-	0.315" (8.00mm)	11.11W @ 80°C	2.23°C/W	7.2°C/W	Aluminum	Black Anodized
SK 95 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	-	RFQ	-	SK 95	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	0.496" (12.60mm)	-	0.256" (6.50mm)	2.22W @ 80°C	11.16°C/W	36°C/W	Aluminum	Black Anodized
SK 486 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 486	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.016" (25.80mm)	-	0.315" (8.00mm)	10.1W @ 80°C	2.23°C/W	7.92°C/W	Aluminum	Natural Anodized
SK 126 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 126	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.358" (34.50mm)	-	0.500" (12.70mm)	10.35W @ 80°C	2.14°C/W	7.73°C/W	Aluminum	-
SK 09 20 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 09	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.787" (20.00mm)	1.142" (29.00mm)	-	0.453" (11.50mm)	10W @ 80°C	2.48°C/W	8°C/W	Aluminum	Black Anodized
SK 581 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 581	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.220" (31.00mm)	-	0.394" (10.00mm)	5.71W @ 80°C	4.34°C/W	14°C/W	Aluminum	Black Anodized
SK 145 20 ME Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	-	-	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 616 50 ME Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 616	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.315" (8.00mm)	-	0.236" (6.00mm)	2.97W @ 80°C	7.6°C/W	26.95°C/W	Aluminum	Natural Anodized
SK 145 20 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	-	-	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 493 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 493	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.220" (31.00mm)	-	0.236" (6.00mm)	5.52W @ 80°C	4.5°C/W	14.5°C/W	Aluminum	Black Anodized
SK 597 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 597	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.181" (30.00mm)	-	0.689" (17.50mm)	9.15W @ 80°C	2.42°C/W	8.74°C/W	Aluminum	-
SK 177 50 AL Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 177	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.100" (27.95mm)	-	0.600" (15.24mm)	12.76W @ 80°C	1.74°C/W	6.27°C/W	Aluminum	-
SK 581 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 581	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.220" (31.00mm)	-	0.394" (10.00mm)	5.19W @ 80°C	4.34°C/W	15.4°C/W	Aluminum	Natural Anodized
SK 452 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 452	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.142" (29.00mm)	-	0.984" (25.00mm)	10.5W @ 80°C	2.11°C/W	7.62°C/W	Aluminum	-
SK 616 50 SA Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	Datasheet	SK 616	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.315" (8.00mm)	-	0.236" (6.00mm)	3.27W @ 80°C	7.6°C/W	24.5°C/W	Aluminum	Black Anodized
SK 547 50 AL Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 547	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.575" (40.00mm)	-	0.394" (10.00mm)	7.29W @ 80°C	3.04°C/W	10.98°C/W	Aluminum	-
SK 493 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	-	RFQ	-	SK 493	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.220" (31.00mm)	-	0.236" (6.00mm)	5.02W @ 80°C	4.5°C/W	15.95°C/W	Aluminum	Natural Anodized
ALB-821AS-4 0.827'' (21mm) Wide Heatsink Alberko Heatsinkonline	500	-	RFQ	Datasheet	ALB-821AS	Retail Package	Active	Top Mount	-	Thermal Tape, Adhesive (Not Included)	Rectangular, Fins	4.000" (101.60mm)	0.827" (21.00mm)	-	0.295" (7.50mm)	-	-	9.62°C/W	Aluminum Alloy	Unfinished

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