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Substituting capacitors with different voltage ratings?

Discussion in 'Electronic Basics' started by Tristar, Aug 22, 2005.

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  1. Tristar

    Tristar Guest

    I'm starting out building a simple 555 tester circuit before I move on to
    the more complicated bike timer. I was wondering what the possible effect
    on using a 1uF cap with 50 volt rating instead of the suggested 1uF 16

  2. John Fields

    John Fields Guest

  3. Electrically you can substitute with a higher spec. However, if you are
    using a printed circuit board the 50 V type may not fit mechanically,
    since it will be larger than a 16 V.
  4. You also have to be careful about substutions in circuits requiring
    low ESR cpacitors.

    Link to my "Computers for disabled Veterans" project website deleted
    after threats were telephoned to my church.

    Michael A. Terrell
    Central Florida
  5. Jasen Betts

    Jasen Betts Guest

    It'd cost more, be bigger, and possibly last a little longer. :)

    With capacitors the voltage rating is the maximum volts it can handle.
    so a 50V capacitor is more rugged but otherwise electrically identical to
    a 16V part.

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