Figure bellow shows the circuit using 4 diodes. The minimum working voltage DC of the used capacitors are calculated as follows:
Formula 1
Voltage in the capacitors:
Vc1 = Vc2 = Vc3 = Vc4 = 2 x Vmax
Where:
Vc1, Vc2, Vc3 and Vc4 are the minimum working voltage DC (WVDC) of the used capacitors in volts (V)
Vmax is the peak value of the input AC voltage in volts (V)
Note: Minimum PIV of the used diodes is 2 x Vmax
