Use this electronics calculation for a first-pass component, converter, signal, motor, or sensor estimate when the stated operating conditions and units match the device data.

RMS current (A)

Required number input.

Calculate the peak current of a sinusoid from its RMS current. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Peak current (A)

The resulting peak current returned as a number.

• Compact electronics formulas omit some combination of tolerances, temperature drift, bandwidth, loading, parasitics, noise spectrum, nonlinearity, clipping, calibration, layout, and device-specific limits. Typical datasheet values are not guaranteed limits.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check the result against the current datasheet and worst-case operating corners, then verify the circuit or measurement with simulation and bench testing where failure matters.

• RMS From Peak

  Calculate the RMS current of a sinusoid from its peak current.

• Average Rectified Voltage

  Calculate the average rectified voltage of a sinusoid from its peak voltage.

• Crest Factor

  Calculate the crest factor of a waveform from its peak and RMS voltages.