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ELFORUM - Forumul electronistilor

Probleme sursa 0-30V 0-3A

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Salutare la toata lumea.... :smt006

Am realizat si eu schema asta http://www.electronics-lab.com/projects ... ex_gr.html ,totul a fost ok pana cand am verificat protectia la scurtcircuit.Am pus iesirea in scurtcircuit se aprinde led-ul dar incepe sa se incalzeasca tare tranzistorul (MJ 3055)......asa trebuie?.......daca asa trebuie ajutati-ma si pe mine cu o schema de protectie(ma gandesc la ceva cu un releu)care sa rezolve problema cu temperatura :prayer: ......daca nu ar trebui sa se incalzeasca ce este de facut? :yawinkle:


Multumesc anticipat!

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