TO-220 Clip-On Heatsink

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Get the most out of your regulators, transistors and other TO-220 packaged chips by clipping on a heat-sink. Your transistor or regulator may advertise it can handle high currents but when multiplied by the drop voltage, the Wattage may be too high for the bare chip! Most TO-220's can disipate about 2W's worth without a sink.

This basic, and easy-to-use ~25°C/W sink will let you burn about 3 Watts of power through a TO-220 (assuming an ambient temperature of 25°C and max die temp of 85°C). No screws or thermal paste required. For more detailed calculations, check out the Daycounter heatsink calc

Technical Details

Revision History:

  • As of July 2, 2020 we're selling a different design of this heat sink (the previous version is no longer available). The new version is more compact but has slightly higher thermal resistance.

Weight: 1.88g

Dimensions: 19mm x 13mm x 13mm

Product Dimensions: 19.0mm x 13.0mm x 13.0mm / 0.7" x 0.5" x 0.5"

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