◈ Bridge Rectifier Calculator

Full-wave DC output, ripple, and filter capacitor for bridge rectifiers

Inputs

AC RMS Voltage (Vs)

AC Frequency (Hz)

Diode Forward Voltage (Vf)

Load Resistance (RL, Ω)

Filter Capacitor (µF)

Peak Voltage (Vm)

—

Vdc (no filter)

—

Vdc (with diodes)

—

Ripple Voltage

—

Ripple Frequency

—

Efficiency

—

Vm = Vs × √2

Vdc = (2 × Vm) / π = 0.636 × Vm (no filter)

Vdc_actual = Vdc − 2×Vf (two diode drops)

Ripple Vr ≈ Vdc / (2 × f × C × RL)

Efficiency = 81.2% | Ripple factor = 0.48 | Ripple freq = 2 × f