PLZ18C-G3/H

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±3%
Power - Max:	500mW
Impedance (Max) (Zzt):	23 Ohms
Current - Reverse Leakage @ Vr:	200nA @ 13V
Voltage - Forward (Vf) (Max) @ If:	800mV @ 10mA
Operating Temperature:	150°C
Mounting Type:	Surface Mount
Package / Case:	DO-219AC
Supplier Device Package:	DO-219AC (microSMF)

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Introduction

The PLZ18C-G3/H is a single Zener diode for use in general electronics and industrial applications. It is designed to provide stable and reliable electrical power in a wide range of conditions. The PLZ18C-G3/H is typically used to protect circuits from overvoltage and short circuit damage due to voltage disturbances.

Application Field

The PLZ18C-G3/H diode is suitable for a wide variety of applications. It is commonly used in TV sets, industrial electronics and in the automotive sector. The PLZ18C-G3/H is suitable for voltage stabilization and protection against over-voltages and short circuits up to a maximum zener voltage of 18V.

Features

The PLZ18C-G3/H is a low-cost, low-power, general-purpose diode. It is available in a variety of package sizes, including the TO-220 and SOD-323. The PLZ18C-G3/H\'s stand-out features include a very low reverse leakage current, high stability and fast switching speeds. It has a maximum current rating of 0.8A and a power dissipation of 0.5W.

Advantages

The PLZ18C-G3/H has several advantages which make it suitable for various applications. Its low reverse leakage current ensures that the circuit remains off when the power is switched off, and its high stability ensures that the controlled voltage remains constant. The PLZ18C-G3/H\'s fast switching speeds allow it to respond quickly to voltage changes, which is essential in protecting sensitive electronics from overvoltage and short-circuit damage.

Working Principle

The PLZ18C-G3/H diode operates on the simple principle of the P-N junction. When the P-N junction is connected to an external voltage source, it creates an electric field that accelerates electrons in the P-type material towards the N-type material, leading to the formation of a depletion region. This region acts as a barrier which blocks current from passing through the junction.The Zener effect occurs when a reverse bias voltage is applied to the diode; the reverse bias voltage strengthens the electric field which causes free electrons in the region to be accelerated to higher energy levels. When these electrons return to their original states, they emit energy in the form of light and heat. This energy is absorbed by the P-N junction and this increases the width of the depletion region, allowing current to flow through it.

Conclusion

In conclusion, the PLZ18C-G3/H is a low-cost, reliable and fast-switching single Zener diode that can be used in a variety of applications. It is suitable for voltage stabilization and protection against over-voltage and short-circuit damage of up to 18V, and its fast switching speeds ensure a quick response to voltage fluctuations. Its operating principle is based on the P-N junction and the Zener effect.

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