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samilprovo

echivalent dioda ru20a

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Pune un BY399, se gaseste usor si are un curent mai mare.

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eu cred ca pe alimentarea cadre ...merge fara probleme o UF5406,UF5408....

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eu cred ca pe alimentarea cadre ...merge fara probleme o UF5406,UF5408....

am pus uf 5408 se incalzeste probabil trebuie ceva super rapid

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dar baleiajul vertical functioneaza ?dioda uf5408 e mai rapida ca dioda care era in placa si de putere mai mare!poate ati nimerit un stift !?(de dioda vorbesc)

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dar baleiajul vertical functioneaza ?dioda uf5408 e mai rapida ca dioda care era in placa si de putere mai mare!poate ati nimerit un stift !?(de dioda vorbesc)

da functioneaza cu ea dar se incalzeste mam gandit la by 299

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incercati si cu by 299...desi e mai slaba ca uf5408(daca ar fi fost de calitate ...nu stift)

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se cam incinge tare si integratul daca modific rezistentele de pe +14 si -14 de la 0,47 ohm la 2 ohm e vreo problema

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Asa fierbinti lucreaza de obicei si integratul si dioda , de aia se si duc :rade:Verifica/inlocuieste si condensatorii de pe langa baleiajul vertical, aia cauzeaza toata distractia.

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