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Old 18th December 2003, 04:14 PM   #1
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Default AC Connector capacitor question

I've searched all around, and Iíll bet it's here (or somewhere on the net, but heck if i can find it)

Iím robbing parts from some computer power supplies Iíve had laying around , to use in an amp PS.

The connecter that the power cord plugs into is one of these parts. But I have a question about something that is hooked up to it inside the power supply.
There is a funny flat rectangular capacitor (yellow if that matters), that has a resistor soldered under it. That thing is connected across the hot and neutral leads. What does this do? And should I leave it there for my power supply?
I was thinking it might prevent some sort of power plug in pop or something but basically I have no idea.
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Old 18th December 2003, 04:36 PM   #2
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It's there...to reduce line RF or interference or something...the resistor is for safety to discharge the cap...or it might be a design..I'm not too sure...I haven't got a problem with it..I keep it there...mine is heatshrinked...so no fear of it going boom...
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Old 18th December 2003, 05:34 PM   #3
tiroth is offline tiroth  United States
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It is the other half of the filter network formed by the input inductors in the switching supply. It won't hurt to leave it.
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