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Temperature over a track and the FR4 board

Posted 08.05.2015, 17:45 GMT-4 Low-Frequency Electromagnetics, Heat Transfer & Phase Change 0 Replies

Gisele Lantier
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I have a FR4 board with a copper track over it and I apply some amps in the copper track. As a result I have the temperature map on this track and board... I also have a heat transfer coefficient of (10 W/m2.k) over the top side of the board.

The question is: If I have an external temperature of 25 Celcius with a very low current (0.005A for example) I have some points of temperature below 25C (24,961 Celcius) Why, is it possible?
0 Replies Last Post 08.05.2015, 17:45 GMT-4
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Hello Gisele Lantier

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