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iliev508

inlocuire dioda RY2A 26

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buna seara, cu ce pot inlocui aceasta dioda , este din sursa lcd grundig sasiu U2  sau schema  

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in 20secunde a arso ,  schema sursei daca o detine cineva

Edited by iliev508

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Cu EFR135 :rade:Hai domne' pune acolo o diodă "șotchi",și ai rezolvat problema :96...de ieri și până azi...

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ati rezolvat-o cu schottky?...se stie ca asta se deschide la o tensiune mica, dar m-am uitat peste uf 5408 si este destul de rapida...sa nu aveti altceva... 

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Diodele schottky au de regula pe linga o tensiune mice de deschidere si o tensiune maxima inversa tot relativ mica si nu prea se preteaza la sursele flayback unde tensiunea inversa este mare dar merg bine la forward (care are tensiune inversa pe diode mai mica).

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