lower voltage caps

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  • gobby009
    Senior Member
    • Oct 2014
    • 63
    • uk

    #1

    lower voltage caps

    i have a tv power supply with a bad 330uf 25v cap on it.can i change it for a 220uf 25v or a 470uf 25v?just dont have any 330 caps
  • CapLeaker
    Leaking Member
    • Dec 2014
    • 8065
    • Canada

    #2
    Re: lower voltage caps

    470uf 25V would be my first choice, if I only had those 2 to choose from. You can go higher in voltage too, if you have some.

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    • selldoor
      Slow Learner
      • Dec 2010
      • 7870

      #3
      Re: lower voltage caps

      ^^^^^^and me^^^^^^
      Please upload pictures using attachment function when ask for help on the repair
      http://www.badcaps.net/forum/showthread.php?t=39740

      Comment

      • lookimback
        Badcaps Legend
        • Aug 2013
        • 1489
        • USA

        #4
        Re: lower voltage caps

        Just for testing, I've used 2 in parallel to equal near the correct capacitance. Or, as CapLeaker said, higher voltage if you have that. Lower voltage could pop.
        ------------signature starts here------------


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        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #5
          Re: lower voltage caps

          It is risky, sometimes changing the capacitance can destabilise the circuit, so you need to be careful, I would use 470uF over 330uF if you have to. Make sure to use good high quality caps.
          Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
          For service manual, schematic, boardview (board view), datasheet, cad - use our search.

          Comment

          • mmartell
            Badcaps Legend
            • Oct 2013
            • 3189
            • Canada

            #6
            Re: lower voltage caps

            Tom I think you meant 470uf over 220uf ?

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