I am re-purposing a PC power supply and there is a "0.47k" cap across the incoming AC line. What's that for?
- posted
4 years ago
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.
*Part of* interference suppression. Their should be some proper filtering in there besides.
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Jeroen Belleman
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