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AC Powered 220V Led Circuit. November 13, 2009 by D Mohankumar and P. Marian ... Cx is the X rated AC capacitor that reduces AC voltage through capacitive rectance property. Resistor R1 is very ...

Unfortunately the LED works only at low voltages and even then you need to use a resistor in series. It is not a good idea to limit the current at higher voltages using a resistor because the ...

Date Announced: 14 Sep 2011 LED lighting drive power in the market is usually divided into two level architecture and one level architecture, one level architecture means to convert 220V electricity ...