 ##  [Heat Sink](/heat-sink) 

  ##  [Heat Sink](https://engineering.quantumdictionary.io/heat-sink-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A passive thermal management component, typically metallic with fins or extended surface area, that conducts heat away from a heat‑generating device and increases convective and radiative transfer to the surrounding environment; specified by thermal resistance, surface area, material conductivity and mounting interface.