LED street light failure
Date:2011-05-16 11:28
Status:Be resolved
Question:admin
as become complicated again. Because usually LED is soldered to the aluminum plate, and aluminum plate and installed the radiator, if the only measure the temperature of the radiator shell, then to calculate the junction temperature must know a lot of resistance values. Including Rjc (junction to case), Rcm (shell to the aluminum plate, in fact, which should also include the printed version of the thermal resistance of thin films), Rms (aluminum plate to the radiator), Rsa (radiator to the air),
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