Natural Convection Heat Sinks | Newark Electronics Mexico

Manufacturer Part No	Order Code	Manufacturer / Description	Price for	Price	Thermal Resistance	Packages Cooled	External Width - Metric	External Height - Metric	External Length - Metric	Heat Sink Material	External Width - Imperial	External Height - Imperial	External Length - Imperial
423K	58F511 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Square PCB Double Surface 0.94 °C/W TO-3 120.7 mm 66.7 mm 140 mm	Each	1+$30.900 5+$29.120 10+$27.340 25+$26.040 50+$25.100 More Pricing...	0.94°C/W	TO-3	120.7mm	66.7mm	140mm	Aluminum	4.75"	2.63"	5.52"
421K	58F508 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Square PCB Double Surface 0.7 °C/W TO-3 120.7 mm 66.7 mm 76.2 mm	Each	1+$22.210 5+$20.940 10+$19.660 25+$18.720 50+$18.200 More Pricing...	0.7°C/W	TO-3	120.7mm	66.7mm	76.2mm	Aluminum	4.75"	2.63"	3"
421A	58F506 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Extruded Heat Sinks for Power Semiconductors 0.7 °C/W TO-3 120.7 mm 66.7 mm 76.2 mm	Each	75+$21.950	0.7°C/W	TO-3	120.7mm	66.7mm	76.2mm	Aluminum	4.75"	2.63"	3"
423A	58F509 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Extruded Heat Sinks for Power Semiconductors 0.94 °C/W TO-3 120.7 mm 66.7 mm 140 mm	Each	100+$28.100	0.94°C/W	TO-3	120.7mm	66.7mm	140mm	Aluminum	4.75"	2.63"	5.52"