BZT55A20-GS08

Introduction

The BZT55A20-GS08 belongs to the Single Zener Diodes series. It is composed of a Zener diode and a resistor inside the same package. Such design ensures the robustness and significantly reduces the manufacturing and costs. The BZT55A20-GS08 is specially designed to be used in circuit protection and surge suppression applications.

Application Field

The BZT55A20-GS08 is designed to be used in specific application such as screening and protection of electronic equipments and various IOT devices. It is also used by manufactures to provide overcurrent protection or transient overvoltage protection.

It is also used in components of chargers or low voltage DC power supplies. Its low reverse current, low forward drop and low typical capacitance values make it true ally in power supplies with low power dissipation.

Lastly, the BZT55A20-GS08 is used in space limited systems such as mobile phones or medical instruments.

Working Principle

The BZT55A20-GS08 works as a Zener diode, whose principle of operation consists in a breakdown of the diode junction when any given reverse voltage is exceeded.

The resistor is incorporated in the same package as the diode which ensures there is a certain fixed bias when a given electrical specification is needed. This design increases the thermal stability and makes the device repeatable.

The Zener voltage is determined by the resistor, while the maximum safe power dissipation is determined by the Zener voltage and the resistor value. This design makes the device self-protected against excessive energies.

Conclusion

To sum up, the BZT55A20-GS08 belongs to the Single Zener Diodes series and is particularly designed to be used in circuit protection and surge suppression applications. It is composed of a Zener diode and a resistor inside the same package, and it works as a Zener diode with a fixed bias determined by the resistor value.