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33178Re: [midatlanticretro] RE: buying NOS caps?

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  • Cory Smelosky
    Nov 12, 2013
      On Tue, 12 Nov 2013, steve@... wrote:

      > As an engineer, I'm dismayed at the low lifetime figures for aluminum electrolytic caps. That is somewhat alleviated by the fact that they don't typically fail catastrophically at those times. Rather, it's a matter of failing leakage, capacitance or ESR specs, particularly over temperature. While such specs are not usually too critical in computer power supplies, they can be related to failure if bad enough. Since one would like to have lifetime figures that are several times those given, lots of extra margin is needed.

      At least they often outlive wax-paper caps. ;)

      > The bottom line: Buying new, premium-spec axial electrolytic caps for replacement is still quite viable and affordable.
      > Steve L.

      Cory Smelosky
      http://gewt.net Personal stuff
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