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Remove capacitor without damaging the board

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    Remove capacitor without damaging the board

    I have an old Mikrotik board with one bulging capacitor. It still works, but the cap doesn't look healthy.

    I have tried replacing it, however it seems to ignore my soldering iron like it's a toothpick. I do suspect an industrial-strength lead used during manufacturing.

    How do I remove it without damaging the PCB and (more importantly) surrounding components which might be more temperature-sensitive.

    #2
    try adding 60/40 solder

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      #3
      what soldering iron and tip are you using?

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        #4
        Im going to take a guess that its a through hole cap;

        I add a small amount of flux at the base of each leg of the cap from the back of the board (not so much the leg); hold the tip of your iron on one leg of the capacitor at a time until the solder melts enough to push that leg through, swapping legs working the cap until its free;

        A good iron makes the world of difference;

        Other people on this forum will likely have better methods, but this works for me 👍

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          #5
          ChipQuik?

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