# What are the important parameters that should know about the zener?

## What are the important parameters that should know about the zener?

Power Dissipation It is the maximum amount of power that the Zener Diode can dissipate. Power Dissipation is an important parameter to be considered for Zener Diode selection because excessive power rating leads to excessive increase in the temperature which results in the permanent damage of the device.

What is the importance of a Zener diode or reference circuit in a common regulator circuit?

The Zener diode is often in use as a voltage regulator, primarily because the voltage drop across the diode is constant. Furthermore, the supply voltage must exceed the Zener voltage for the circuit to operate. Thereby, any electronic component connected in parallel with these diodes will have the same applied voltage.

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### What are diode parameters?

Then there are three main parameters that must be considered when either selecting or replacing a signal diode and these are: The Reverse Voltage Rating. The Forward Current Rating. The Forward Power Dissipation Rating.

How do zener diodes work in a circuit?

The Zener diode operates just like the normal diode when in the forward-bias mode, and has a turn-on voltage of between 0.3 and 0.7 V. As the reverse voltage increases to the predetermined breakdown voltage (Vz), a current starts flowing through the diode.

#### How does Zener diode determine power dissipation?

So the maximum power dissipation that can be allowed in a Zener is the Zener voltage multiplied by the current flowing through it. For example, if a 12V Zener passes 12 V DC and 100 mA current, its power dissipation will be 1.2 Watts. So a Zener diode rated 1.3W should be used.

What are the general specifications of pn junction diode?

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Example of typical diode specifications

Typical 1N5711 Characteristics / Specifications
Characteristic Typical Value Details
Reverse leakage current, IR 200 At VR=50V
Forward voltage drop, VF 0.41 1.00 at IF = 1.0 mA IF=15mA
Junction capacitance, Cj 2.0 VR = 0V, f=1MHz

## What is design voltage?

Design Voltage is the nominal voltage for which a conductor or electrical appliance is designed.