GDZ5V1B-HG3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	5.1V
Tolerance:	±2%
Power - Max:	200mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 1V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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Introduction to GDZ5V1B-HG3-18

GDZ5V1B-HG3-18 is a type of single Zener Diode produced by semiconductor manufacturer GPD. It is basically an electronic component that has dozens of uses in the modern world. With a maximum working voltage of 5 volts, it is ideal for applications that require high-voltage stability, low power dissipation and high peak-current handling capability.

Application Fields

GDZ5V1B-HG3-18 are used in a variety of applications, ranging from consumer electronics to automotive engineering. One of the most popular applications for these diodes is for overvoltage protection of various electrical equipment and circuits. Their ability to handle high peak currents and dissipate low power helps them from getting damaged from unexpected high current applications.They are also commonly used in voltage regulation, where the diode helps maintain the output voltage at a nominal voltage level. This is especially important for devices using batteries, where the diode helps protect the battery from over discharge and ensures that the electrical equipment functions without interruption.One of the more advanced applications for these diodes is in voltage clamping. By manipulating the forward voltage drop, the GDZ5V1B-HG3-18 provides better protection against the effects of overvoltage conditions in sensitive analog circuits like linear regulators and audio amplifiers.

Working Principle

The GDZ5V1B-HG3-18 basically works on the principle of a Zener breakdown. It comprises of a single anode and cathode, with a high-voltage junction in between. The junction is able to tolerate a reverse-bias voltage, up to a certain limit, before it begins to breakdown.At the moment of breakdown, electrons from the anode are freed from the cathode and are accelerated by the electric field to the cathode, thus forming an avalanche. This injection of current creates a large voltage drop across the junction, allowing for the regulation of the voltage applied at the anode.This process of avalanche multiplication stops once the zener breakdown ceases. In the case of the GDZ5V1B-HG3-18, the zener breakdown voltage is 5 volts, allowing it to handle inputs from 4.7 volts to 5.3 volts.

Conclusion

In conclusion, GDZ5V1B-HG3-18 is a single Zener diode which is an essential part of many electronic applications. It is used in the overvoltage protection of electrical equipment and circuits, voltage regulation, and even voltage clamping. It works on the principle of a Zener breakdown, where a high-voltage junction is able to tolerate a reverse-bias voltage, up to a certain limit, before it begins to breakdown.

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