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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 04 75 ME CB SOT 9 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 04	Bulk	Active	Board Level, Extrusion	SOT-9	-	Rectangular	2.953" (75.00mm)	3.819" (97.00mm)	-	0.984" (25.00mm)	38.28W @ 80°C	0.59°C/W	2.09°C/W	Aluminum	Natural Anodized
SK 19 100 ME TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 19	Bulk	Active	Board Level, Extrusion	TO-3	-	Rectangular	3.937" (100.00mm)	3.701" (94.00mm)	-	0.571" (14.50mm)	22.04W @ 80°C	1.02°C/W	3.63°C/W	Aluminum	Natural Anodized
SK 639 75 SA Extruded Heatsink for lock-in re Fischer Elektronik	1,000	RFQ	-	SK 639	-	Active	Board Level, Extrusion	-	-	Rectangular	2.953" (75.00mm)	1.181" (30.00mm)	-	1.772" (45.00mm)	23.19W @ 80°C	1.07°C/W	3.45°C/W	Aluminum	Black Anodized
SK 19 100 SA TO 3 Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 19	Bulk	Active	Board Level, Extrusion	TO-3	-	Rectangular	3.937" (100.00mm)	3.701" (94.00mm)	-	0.571" (14.50mm)	24.24W @ 80°C	1.02°C/W	3.3°C/W	Aluminum	Black Anodized
SK 654 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 654	-	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	1.378" (35.00mm)	-	2.756" (70.00mm)	21.39W @ 80°C	1.05°C/W	3.74°C/W	Aluminum	Natural Anodized
SK 434 50 AL Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 434	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.969" (50.00mm)	1.969" (50.00mm)	-	1.575" (40.00mm)	29.2W @ 80°C	0.76°C/W	2.74°C/W	Aluminum	-
SK 433 37,5 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 433	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	4.374" (111.10mm)	-	1.299" (33.00mm)	56.15W @ 105°C	0.53°C/W	1.87°C/W	Aluminum	Natural Anodized
SK 189 100 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 189	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.634" (41.50mm)	-	1.339" (34.00mm)	27.59W @ 80°C	0.9°C/W	2.9°C/W	Aluminum	Black Anodized
SK 189 100 ME Extruded Heatsink Fischer Elektronik	1,000	RFQ	-	SK 189	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	3.937" (100.00mm)	0.634" (41.50mm)	-	1.339" (34.00mm)	25.08W @ 80°C	0.9°C/W	3.19°C/W	Aluminum	Natural Anodized
SK 433 37,5 SA Extruded Heatsink Fischer Elektronik	1,000	RFQ	Datasheet	SK 433	Bulk	Active	Board Level, Extrusion	-	-	Rectangular	1.476" (37.50mm)	4.374" (111.10mm)	-	1.299" (33.00mm)	61.76W @ 105°C	0.53°C/W	1.7°C/W	Aluminum	Black Anodized

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