Smart Capacitor power supply


This capacitor power supply can deliver 12 volt DC and 100 mA current to power low current devices. It is provided with surge protection and is totally isolated from mains supply using two capacitors in the phase and neutral lines. So the connected device is safe even if the phase and neutral lines changes.


See circuit in this link http://www.engineersgarage.com/contribution/smart-capacitor-power-supply

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