How to find smd badcap onboard ? (Tool, method)

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  • corrize
    Badcaps Veteran
    • Apr 2021
    • 272
    • France
    #1

    How to find smd badcap onboard ? (Tool, method)

    Hello, if 5 capacitors are in parallel, and one of them is shorted, how to find the shorted one without disolder anything ? And except courant injection.
    It's seems not possible but maybe there is trick or tool working ?

    Ultra low resistance meter ? Maybe with heat ? If cap is shorted, it become conductor, so conductor of heat too. And maybe a heating element at a side of cap and thermalmeter at other side and mesure time for reach a valor ?

    So have you seen or tested such tool or method pls ?
    Tags: None
    • diif
      Badcaps Legend
      • Feb 2014
      • 6978
      • England
      #2
      Re: How to find smd badcap onboard ? (Tool, method)

      Something like this https://www.badcaps.net/forum/showthread.php?t=93031 a sensitive low ohm meter.

        Comment

        • corrize
          Badcaps Veteran
          • Apr 2021
          • 272
          • France
          #3
          Re: How to find smd badcap onboard ? (Tool, method)

          Yees, and someone use it ? It is usefull in practice ? I saw ESR-100 sold on shops, it's a same ?

            Comment

            • stj
              Great Sage 齊天大聖
              • Dec 2009
              • 31110
              • Albion
              #4
              Re: How to find smd badcap onboard ? (Tool, method)

              no, esr-100 is for capacitors testing off-board.
              not for finding shorts

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