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 688 50 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 688	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.591" (15.00mm)	-	0.236" (6.00mm)	2.72W @ 80°C	8.15°C/W	29.46°C/W	Aluminum	-
SK 01 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 01	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	4.520" (114.80mm)	-	1.024" (26.00mm)	37.5W @ 105°C	0.78°C/W	2.8°C/W	Aluminum	-
SK 09 50 ME Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 09	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.453" (11.50mm)	9.09W @ 80°C	2.48°C/W	8.8°C/W	Aluminum	Natural Anodized
SK 18 50 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 18	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	2.559" 65.00mm)	-	0.845" (24.00mm)	25.97W @ 80°C	0.85°C/W	3.08°C/W	Aluminum	-
SK 473 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 473	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.063" (27.00mm)	-	0.236" (6.00mm)	4.2W @ 80°C	5.27°C/W	19.04°C/W	Aluminum	-
SK 95 25 SA Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 95	Bulk	Active	Board Level, Extrusion	-	-	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 554 100 ME Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 554	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	9.45W @ 80°C	2.39°C/W	8.47°C/W	Aluminum	Natural Anodized
SK 653 50 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 653	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	0.827" (21.00mm)	-	0.551" (14.00mm)	5.06W @ 80°C	4.37°C/W	15.8°C/W	Aluminum	-
SK 427 75 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 427	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.000" (50.80mm)	-	0.315" (8.00mm)	10.2W @ 80°C	2.17°C/W	7.84°C/W	Aluminum	-
SK 95 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 95	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.496" (12.60mm)	-	0.256" (6.50mm)	3.01W @ 80°C	7.36°C/W	26.60°C/W	Aluminum	-
SK 554 100 SA Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 554	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.063" (27.00mm)	-	0.394" (10.00mm)	10.39W @ 80°C	2.39°C/W	7.7°C/W	Aluminum	Black Anodized
SK 75 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	-	SK 75	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	1.260" (32.00mm)	-	0.551" (14.00mm)	6.4W @ 80°C	3.88°C/W	12.5°C/W	Aluminum	Black Anodized
SK 638 25 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 638	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	0.406" (10.30mm)	-	1.575" (40.00mm)	12.21W @ 80°C	1.81°C/W	6.55°C/W	Aluminum	-
SK 64 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 64	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	2.756" (70.00mm)	-	0.984" (25.00mm)	26.49W @ 80°C	0.84°C/W	3.02°C/W	Aluminum	-
SK 05 50 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 05	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	2.559" 65.00mm)	-	1.122" (28.50mm)	27.49W @ 80°C	0.81°C/W	2.91°C/W	Aluminum	-
SK 472 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 472	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	0.634" (41.50mm)	-	0.866" (22.00mm)	16.23W @ 80°C	1.36°C/W	4.93°C/W	Aluminum	-
SK 51 75 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 51	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	2.362" (60.00mm)	-	0.787" (20.00mm)	18.78W @ 80°C	1.18°C/W	4.26°C/W	Aluminum	-
SK 125 50 AL Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 125	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.181" (30.00mm)	-	1.102" (28.00mm)	10.99W @ 80°C	2.02°C/W	7.28°C/W	Aluminum	-
SK 691 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 691	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.142" (29.00mm)	-	0.551" (14.00mm)	5.1W @ 80°C	4.34°C/W	15.68°C/W	Aluminum	-
SAR55ASX50MM EXTRUDED HEATSINK 55MM X 50MM Sarnikon	500	1.47	RFQ	Datasheet	55A	Box	Active	Board Level	TO-220	PC Pin	Rectangular, Fins	1.969" (50.00mm)	2.165" (55.00mm)	-	0.630" (16.00mm)	-	-	-	Aluminum	Black Anodized

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