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Heatsink Calculator, Natural Convection

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Ambient Temperature (C)

Altitude above Sea Level (m)

Radiation (On-Off)

Base Material

Fins Material

Emissivity of Fin Material

Base Width (mm)

Base Length (mm)

Base Height (mm)

Overall Height (mm)

Fin Thickness (mm)

Number of Fins

Number of Packages

Source #

Heat Source Height (mm)

Heat Source Length (mm)

Heat Source Width (mm)

X position of Heat Source (mm)

Y position of Heat Source (mm)

Total Heat Dissipated (W)

TIM Thickness (mm)

TIM Conductivity (W/m. K)

Package Theta JC (C/W)

Package Theta JB (C/W)

Thickness of PCB (mm)

Number of Copper Layer

Heat Sink Total Resistance

Junction Temperatures

Heat Sink Effective Convection Coefficient