How to Select a Heat Sink

Heat sinks are not one size fits all. Selecting the wrong one for your device can result in inadequate heat dissipation, leading to slow performance or failure.

“How to Select a Heat Sink” reviews the most important factors and calculations to consider when making this decision:

  • How to determine thermal resistance
  • Different materials and their properties
  • Fin designs
  • Anodization and mounting styles

About Ohmite

Ohmite has been the leading provider of resistive products for high current, high voltage, and high energy applications for over 90 years. The company’s full complement of resistor construction includes wirewound, wire element, thick film, and ceramic composition. Ohmite also leads the way in thermal management for resistive and other technologies offering a vast array of heatsinks.

About ESI

As the local rep for Ohmite, we can assist with pricing, samples or additional technical information. Please reach out to for information.



We are honored to serve as a manufacturer’s rep for Ohmite.