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Calculating thermal/heat dissipation for enclosure

Arul Raju

Mar 5, 2014
31
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Mar 5, 2014
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31
Hello there,

My enclosure has Arduino Mega, 4 channel relay (5V), 5V power supply. I have calculated power dissipation for power supply.

Can someone advice me on how to calculate how much Arduino board and relay generates heat?

Thanks,
Arul
 

kellys_eye

Jun 25, 2010
6,514
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Jun 25, 2010
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6,514
What is the total power consumption?

THAT is the 'power' it is generating.....
 

AnalogKid

Jun 10, 2015
2,884
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Jun 10, 2015
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2,884
The power dissipation of a power supply is not a constant, or even a constant percentage; it varies with the load current it is supplying. How did you calculate it without knowing the details of the combined load?

ak
 
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