Heat Sink Temperature Calculator

Enter value and click on calculate. Result will be displayed.

Enter your values:

Ambient Temperature Ta max:
C
Junction Temperature Tj max:
C
Resistance (junction to case) R:
C/Watt
Resistance Ra:
C/Watt
Resistance Rb:
C/Watt

Result:

Junction Temperature:
C
Power:
Watt
BTU / Hour

What is a Heat Sink Temperature Calculator?

A Heat Sink Temperature Calculator is a tool used to estimate the temperature of a heat sink based on power dissipation, thermal resistance, and ambient temperature. It helps engineers and designers ensure proper cooling for electronic components, power devices, and LEDs.


Why Use a Heat Sink Temperature Calculator?

  • Prevents Overheating: Ensures that components like CPUs, transistors, and power supplies remain within safe temperature limits.
  • Optimizes Thermal Management: Helps select an appropriate heat sink based on power dissipation and thermal resistance.
  • Improves Efficiency & Reliability: Proper cooling extends the lifespan of electronic components.
  • Essential for Power Electronics & LED Cooling: Used in power amplifiers, voltage regulators, and high-power LEDs.

When to Use a Heat Sink Temperature Calculator?

  • When selecting a heat sink for CPUs, GPUs, MOSFETs, or power transistors.
  • When designing power supplies, amplifiers, or LED lighting systems.
  • When ensuring thermal reliability of electronic circuits.
  • For evaluating different heat sink materials and sizes before finalizing a design.
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About This Calculator
Created at  2024/12/4
Updated :
2025/03/23
Views :
201291
Author:
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