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5Y3GT meltdown

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Post by acbaker123 on Fri May 01, 2020 10:33 pm

What can cause a 5Y3GT full wave rectifier to vigorously heat up, throw sparks then glow purple all in about 10 seconds?

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Post by Tony V on Sat May 02, 2020 11:15 am

Shorted electrolytic capacitor more than likely.
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Post by analogdino on Sat Sep 12, 2020 1:47 pm

Filament sagging onto a plate?  I've never witnessed this, but there's a rule that, for sideways mounting, the filaments "V's" should be vertical.
Cheers,
Roger

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