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|    sci.electronics.basics    |    Elementary questions about electronics    |    72,318 messages    |
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|    Message 71,082 of 72,318    |
|    Jeroen Belleman to Cursitor Doom    |
|    Re: Purpose of cap on ac line of PC powe    |
|    05 May 19 22:37:25    |
      From: jeroen@nospam.please              On 2019-05-05 18:29, Cursitor Doom wrote:       > On Sat, 04 May 2019 17:18:42 +0200, Jeroen Belleman wrote:       >       >> On 2019-05-04 17:02, Bob Engelhardt wrote:       >>> I am re-purposing a PC power supply and there is a "0.47k" cap across       >>> the incoming AC line. What's that for?       >>       >> Interference suppression. Google 'X-capacitor'. Before you ask, there is       >> also a 'Y-capacitor'. They're a bit special because they have to conform       >> to pretty strict safety standards.       >       > *Part of* interference suppression. Their should be some proper filtering       > in there besides.       >              If you have something truly useful to contribute, do so.       Otherwise you don't matter.              Jeroen Belleman              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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