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Thermal Resistance Calc by Online Tool Base

Heatsink Sizing. The Thermal Resistance Calc at Online Tool Base helps you select the right cooling solution for power electronics.

Heat Management

onlinetoolbase.online prevents burnout:

  • Junction Temp ($T_j$): Max temp of the silicon.
  • R-theta: Resistance from case to air.

How to Use

  1. Enter Max Power Dissipation.
  2. Enter Max Ambient Temp.
  3. Calculate required Heatsink rating.

Keep cool with the Thermal Resistance Calc from Online Tool Base.