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Recent content by kunalkundanam

  1. K

    SMPS Charger with UC3842 (12V 8A)

    hello everybody, thanks all for your suggestion,actually when any load or battery is not connected neither mosfet nor transformer gets heated,but as i connect a load or battery the mosfet and transformer starts getting heated and after sometime mosfet as well as current sensing resistor boths...
  2. K

    SMPS Charger with UC3842 (12V 8A)

    hello this is kunal i constructed pcb as schematic everything goes well but after sometime the mosfet T5 gets heated and blows Off again and again,i tried to find the reason and found that the transformer i used went to saturation and it also get heated after along time.The winding for...
  3. K

    SMPS Charger with UC3842 (12V 8A)

    hello please specify the information of transformer core size,SWG and turns for primary winding,secondary winding,and auxilary winding
  4. K

    specification for transformer

    hello please specify the information of transformer core size,SWG and turns for primary winding,secondary winding,and auxilary winding

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