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 487 50 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	0.00	RFQ	-	SK 487	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.969" (50.00mm)	-	1.102" (28.00mm)	25.97W @ 80°C	0.87°C/W	3.08°C/W	Aluminum	Natural Anodized
SK 505 100 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 505	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	3.937" (100.00mm)	-	0.591" (15.00mm)	29.74W @ 80°C	0.74°C/W	2.69°C/W	Aluminum	-
SK 662 25 AL Extruded Heatsink for lock-in re Fischer Elektronik	1,000	0.00	RFQ	-	SK 662	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	0.984" (25.00mm)	1.575" (40.00mm)	-	2.953" (75.00mm)	24.62W @ 80°C	0.90°C/W	3.25°C/W	Aluminum	-
SK 485 100 SA Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 485 ...	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.402" (61.00mm)	-	0.350" (8.90mm)	20W @ 80°C	1.24°C/W	4°C/W	Aluminum	Black Anodized
SK 686 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 686	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	2.990" (75.95mm)	-	0.661" (16.80mm)	13.99W @ 80°C	1.61°C/W	5.72°C/W	Aluminum	Natural Anodized
SK 485 100 ME Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 485 ...	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	2.402" (61.00mm)	-	0.350" (8.90mm)	18.18W @ 80°C	1.24°C/W	4.4°C/W	Aluminum	Natural Anodized
SK 481 75 ME Extruded Heatsink for lock-in re Fischer Elektronik	1,000	0.00	RFQ	-	SK 481	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	22.04W @ 80°C	1.02°C/W	3.63°C/W	Aluminum	Natural Anodized
SK 624 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 624	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	3.543" (90.00mm)	-	0.669" (17.00mm)	32.52W @ 80°C	0.68°C/W	2.46°C/W	Aluminum	-
SK 657 100 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 657	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.449" (36.80mm)	-	0.984" (25.00mm)	15.87W @ 80°C	1.40°C/W	5.04°C/W	Aluminum	-
CS8673710B0 37.4X37.4 10MM Cooling Source	653	3.31	RFQ	-	CS86	Box	Active	Top Mount	-	Push Pin	Square, Pin Fins	1.472" (37.39mm)	1.472" (37.39mm)	-	0.394" (10.00mm)	3.0W @ 70°C	7.00°C/W @ 200 LFM	-	Aluminum	Black Anodized
CSBL-135-A-1A Extruded heatsink with fin radia Cooling Source	500	0.00	RFQ	-	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-
SK 459 25 STS TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	TO-220	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 20 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 20	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	3.937" (100.00mm)	-	1.102" (28.00mm)	45.71W @ 80°C	0.54°C/W	1.75°C/W	Aluminum	Black Anodized
SK 459 25 STS TO 247 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	TO-247	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 134 100 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 134	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	1.358" (34.50mm)	-	1.969" (50.00mm)	20.41W @ 80°C	1.08°C/W	3.92°C/W	Aluminum	-
SK 145 50 STC TO 248 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	-	SK 145	Bulk	Active	Board Level, Extrusion	TO-248	Clip	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	8W @ 80°C	3.1°C/W	10°C/W	Aluminum	Black Anodized
SK 459 25 M STS SIP-Multiwatt Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	-	SK 459	Bulk	Active	Board Level, Extrusion	SIP	Screw	Rectangular	0.984" (25.00mm)	1.969" (50.00mm)	-	0.787" (20.00mm)	10.13W @ 80°C	2.45°C/W	7.9°C/W	Aluminum	Black Anodized
SK 99 37,5 AL Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 99	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	2.126" (54.00mm)	-	0.787" (20.00mm)	23.05W @ 80°C	0.96°C/W	3.47°C/W	Aluminum	-
SK 97 50 ME Extruded Heatsink Fischer Elektronik	1,000	0.00	RFQ	-	SK 97	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	2.835" (72.00mm)	-	0.925" (23.50mm)	32.26W @ 80°C	0.7°C/W	2.48°C/W	Aluminum	Natural Anodized
SK 145 50 STC TO 220 Extruded Heatsink for PCB mounti Fischer Elektronik	1,000	0.00	RFQ	Datasheet	SK 145	Bulk	Active	Board Level, Extrusion	TO-220	Clip	Rectangular	1.969" (50.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	8W @ 80°C	3.1°C/W	10°C/W	Aluminum	Black Anodized

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