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ELFORUM - Forumul electronistilor

releu 24v

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Se alimenteaza bobina releului de 12V,in serie cu o dioda zenner PL12Z(sa fie de 1W).Pe bobina releului,conectat neaparat o dioda 1N4007,in polarizare inversa(sa taie virfurile de tensiune la deconectare,ce se autoinduc in bobina releului),iar pe dioda zenner un condensator,intre 100-500nF,sa taie zgomotul produs de aceasta.

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Poate n-ar strica chiar un electrolitic de cateva zeci-sute micro, in paralel cu zenerul, ar ajuta la cuplarea mai rapida a releului. Condul, fiind descarcat, ar sunta zenerul, bobina ar fi  alimentata cu 24V, foarte scurt timp, pana cand condul se incarca prin infasurarea releului.

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