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Tone L

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- TL;DR Summary
- Trying to figure out how to compute the size of a heat sink or TEC to dissipate the heat from an electronics module.

Hi, zero education on heat transfer here, need some help.

I have an electronics module that generates 15 W of electrical power over a 70mm x 20mm x 15mm heat load volume (aluminum). The ambient temperature is 25° C, the maximum temperature the heat sink can be is 40° C (ΔT = 15° C).

Does anyone know how to compute what size / type of heat sink I need? Laird Thermal Systems and Wakefield are two vendors I was looking at.

Thanks!

Aluminum characteristics: Density 2710 kg/m^3 & Specific heat: 921 J/kg*K

I have an electronics module that generates 15 W of electrical power over a 70mm x 20mm x 15mm heat load volume (aluminum). The ambient temperature is 25° C, the maximum temperature the heat sink can be is 40° C (ΔT = 15° C).

Does anyone know how to compute what size / type of heat sink I need? Laird Thermal Systems and Wakefield are two vendors I was looking at.

Thanks!

Aluminum characteristics: Density 2710 kg/m^3 & Specific heat: 921 J/kg*K