What is load resistance in Zener diode?

What is load resistance in Zener diode?

A Zener diode of break down voltage VZ is reverse connected to an input voltage source VI across a load resistance RL and a series resistor RS. Hence a regulated DC output voltage V0=VZ is obtained across RL, whenever the input voltage remains within a minimum and maximum voltage.

What is load resistance in diode?

If the resistance Rd of the diode during conduction is 20 Ω and the load resistance RL = 1000 Ω, find the peak, DC, and rms load currents and the power dissipated in the load and the diode. The peak load current is. The DC current from Eq. The total input power to the circuit is Pt = PL + Pd.

What is RL in zener diode?

R L = open circuit Zener diode regulator waveform.

What is the resistance across a diode?

All diodes have a bulk resistance, Rb, that is in series with the diode. This resistance is typically very small (typically around 1 ohm or less) and its effects are insignificant at lower currents. At higher currents the effect is to reduce the voltage across the junction by the current multiplied by the resistance.

What is the current, IZM, of a Zener diode?

Current : The current, IZM, of a Zener diode is the maximum current that can flow through a Zener diode at its rated voltage, VZ. Typically there is also a minimum current required for the operation of the diode. As a rough rule of thumb, this can be around 5 to 10 mA for a typical leaded 400 mW device.

How does Zener diode work?

Zener diodes behave much the same as ordinary silicon diodes and start conducting at around 0.7V

  • a small reverse current flows through the diode.
  • you will eventually reach the so-called Zener voltage V Z of the diode.
  • What is a diode resistor?

    A diode is a type of electrical device that allows the current to move through it in only one direction. A resistor is an electric component that is used to provide resistance to a current in the circuit. These are mostly used intentionally to produce heat or light.