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ELFORUM - Forumul electronistilor

MOSFETII contrafacuti ?


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Nu mai imi ies montajele cu MOSFETI.Spre exemplu am luat un IRFP064N / IRFZ44/IRF 3205Faza: SMSP-ul consuma 1 A in golPun grilele MOSFETilor la masa prin ei trec 1A.Ii schimb cu altii, astia nu se mai deschid. Acum am unii (IRFZ 3205) alimentati de la un acumulator de UPS de 12V.Pun grila la borna + si ei nu se deschi complet. In drena are un bec de 12V care se aprinde cam 70% din capacitatea normala. Desi sunt dati in catalog cu R=8m ohmiCe sa fac ?

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