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| sci.electronics.basics | Elementary questions about electronics | 72,318 messages |
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| Message 71,073 of 72,318 |
| Bob Engelhardt to Jeroen Belleman |
| Re: Purpose of cap on ac line of PC powe |
| 04 May 19 15:48:40 |
From: BobEngelhardt@comcast.net On 5/4/2019 11:18 AM, 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. > > Jeroen Belleman Thank you. --- SoupGate-Win32 v1.05 * Origin: you cannot sedate... all the things you hate (1:229/2) |
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