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Ceramic Disc, RFI and Safety Capacitors

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ericmar

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Hi,

Does anyone here hv experiences in using the safety capacitors? Are they used for providing safety requirement on safety concern device?

Thanks,
Eric
 

Mains filter inputs have capacitors X and Y class accross the mains and from mains to earth . One class is suposed to fail open and the other closed- I hace experienced the ones to eart which should fail open going low Z and smoking
 

hope this doc is useful
it is completely described abt x and y caps
 

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