1PMT5920/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	6.2V
Tolerance:	±20%
Power - Max:	3W
Impedance (Max) (Zzt):	2 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 4V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	DO-216AA
Base Part Number:	1PMT5920

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1PMT5920/TR13: Application Field and Working Principle of Single Zener Diodes

Introduction

Single Zener diodes, like the 1PMT5920/TR13, are semiconductor components designed to protect voltage-sensitive circuits from overvoltage. This article will take a closer look at the applications and working principle of zener diodes.

Applications

Single Zener diodes like the 1PMT5920/TR13 are typically used to provide electrical isolation and protection for circuits. The diodes can be placed between two components in order to protect them from voltage spikes, which can damage components or cause them to malfunction. Furthermore, diodes can be used to regulate the voltage in a circuit that varies frequently, such as when the input is AC power or varies with temperature. In these applications, single Zener diodes help to ensure that the voltage supplied to a circuit remains constant.Single Zener diodes are also commonly used as reference voltages in circuits and to provide peak current protection. The voltage drop is carefully chosen to limit the current and protect sensitive components downstream.

Working Principle

Single Zener diodes work on the principle of reverse-biased breakdown. Reverse-biased breakdown, also known as Zener breakdown, occurs when an electric current is applied in the reverse direction through a diode. The electric field generated by this current can exceed the diode\'s breakdown voltage, allowing the diode to pass current.Single Zener diodes, like 1PMT5920/TR13, have a Zener voltage that is specially chosen for the application. This Zener breakdown voltage is the voltage at which the reverse-biased diode will start to pass current. This voltage can be adjusted by changing the doping of the diode. Single Zener diodes will also draw power from the circuit, either by forward-biasing the diode or by using the current passed through the diode in the reverse-biased region when the voltage reaches the Zener voltage.

Conclusion

Single Zener diodes, such as the 1PMT5920/TR13, provide a simple and inexpensive way to provide electrical isolation and protection to circuits. The diode helps to regulate the voltage in a circuit that varies frequently and provides peak current protection. The working principle of single Zener diode is based on reverse-biased breakdown and has a special Zener voltage chosen for the application.

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