Replacing capacitors with leads

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  • Almighty1
    Badcaps Veteran
    • Apr 2014
    • 222
    • United States

    #1

    Replacing capacitors with leads

    I have a question, this is the daughter board on my PC Power & Cooling Turbo-Cool 450ATX Computer Power Supply where there are 2 x 50v 1uF capacitors that sits above a chip on the board which results in the leads being exposed. When I recap, do I need to trim the leads to the exact length since I read in another post here that the length of the cap's lead actually effects the electrical properties or does it really matter?
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  • c_hegge
    Badcaps Legend
    • Sep 2009
    • 5219
    • Australia

    #2
    Re: Replacing capacitors with leads

    The effect on the caps electrical specifications will be negligible. I wouldn't get to picky about the length.
    Last edited by c_hegge; 10-01-2014, 03:43 AM.
    I love putting bad caps and flat batteries in fire and watching them explode!!

    No wonder it doesn't work! You installed the jumper wires backwards

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    • Pentium4
      CapXon Be Gone
      • Sep 2011
      • 3741
      • USA

      #3
      Re: Replacing capacitors with leads

      It only matters where ESR is critical, like PSU filtering caps, VRM, etc. For that application, it won't affect it

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      • Almighty1
        Badcaps Veteran
        • Apr 2014
        • 222
        • United States

        #4
        Re: Replacing capacitors with leads

        Thanks everyone for the replies! I still wonder what the daughterboard is used for. C208 and C302 seems to have leads above the board too as the cap is sitting at a angle to prevent hitting something else like the primary cap and the transformer on the main PCB even though my replacement caps are 2mm shorter than the originals. I should probably try seating it all the way down and see if it hits anything, if it does, then just resolder it with a little more lead so it can sit in a angle before cutting the leads.

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