How much power is being dissipated in the diode? What is the thermal resistance ofHi all,
In a batch of 25 SMPS kept in the oven with full load for 60 DegC. In that in 5 board's o/p recitifier diode starts melting like icecream after 1 hour. what may be the reason for this?
How do you know the current is only 200mA? Have you checked to see if thereI had kept 25 boards only 5 board's diodes are getting melted. moreover am drawing only 200mA current. so heatsink is not necessary.
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by Steve Arar
by Luke James