Calculators » Electronic Component » Zener Diode Series Resistance Calculator

Zener Diode Series Resistance Calculator

zener diode
series resistance
voltage regulator
electronic component
circuit analysis

This page provides a Zener diode calculator to determine the necessary series resistance for your Zener diode circuit.

This Zener diode calculator calculates the required series resistance as output. It requires you to input the source voltage (minimum and maximum), the Zener diode voltage, and the load current (in mA).

Zener Diode Calculator

Inputs

Outputs

Example:

INPUTS:

  • Vsmin = 20 V
  • Vsmax = 24 V
  • Vz = 12 V
  • IL (current through series resistor) = 500 mA

OUTPUTS:

  • Zener series resistance = 16 Ohm

Zener Diode Calculator Equation/Formula

zener diode voltage regulator

The following equation or formula is used to calculate the Zener series resistance:

zener diode calculator equation,formula