Heat Sink Thermal Resistance

Determine the maximum required thermal resistance ($\theta_{SA}$) for your heat sink.

Power Dissipation (W)

Max Junction Temp (°C)

Ambient Temp (°C)

θJC + θCS (°C/W)

Max Required θSA (°C/W)

0.00 °C/W

θSA = ((Tj - Ta) / P) - (θJC + θCS)

Why Thermal Management Matters

Overheating is the leading cause of premature failure in laboratory electronics. By calculating the required θSA, you can select a heat sink that provides sufficient surface area and airflow to keep your components within their design limits.