GDZ18B-HE3-18

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

GDZ18B-HE3-18 Application Field and Working Principle

GDZ18B-HE3-18 is a single Zener diode device, which is formed by alloying highly doped p-type and n-type silicon materials. This diode is designed to function as a stabilizer and prevent power supply and circuit malfunctions caused by voltage fluctuations. It has wide application in numerous areas, from consumer electronics to industrial control applications.

Zener Diodes Overview

A Zener diode is a specialized device which allows current to flow in only one direction, similar to a standard rectifying diode. The distinguishing difference is that a Zener diode allows the current to also flow in the reverse direction if the polarity and voltage are greater than the Zener breakdown voltage. Thus, in normal operation, the Zener diode works as a normal rectifying diode, but in the event of a significant variation in the applied voltage, it will allow a small current to flow in the reverse polarity, which stabilizes the voltage in the circuit.

GDZ18B-HE3-18 Specifications

The GDZ18B-HE3-18 diode has a Zener voltage of 18V, a maximum power dissipation of 100mW, a maximum junction temperature of 125°C, and a maximum continuous reverse voltage of 5V. The device has a maximum surge current rating of 3A.

Application Areas

Due to its flexibility and low cost, the GDZ18B-HE3-18 can be used in a variety of applications. It is commonly used to prevent over-voltage in consumer electronics, including personal computers, power supplies, and audio systems. It can also be used to protect industrial electronic circuits, such as circuit boards, switches, and transformers. Other applications include protection of DC/DC converters, and automotive electrical systems.

Working Principle

The principle of how the GDZ18B-HE3-18 works is fairly simple. When the voltage across the device is below the Zener breakdown voltage (18V in this case), it behaves like a normal rectifying diode. In this mode, it allows current to flow from the anode terminal to the cathode. However, if the voltage increases above 18V, the junction will "breakdown," allowing a small current to flow in the opposite direction. This has the effect of regulating the voltage across the diode and stabilizing the voltage in the circuit.

Conclusion

The GDZ18B-HE3-18 is a single Zener diode device that is used to protect electronic circuits from voltage fluctuations. It can be used in a variety of applications, from consumer electronics to industrial control. The device works by allowing a small current to flow in the reverse direction when the polarity and voltage across it exceed the Zener breakdown voltage, thus regulating the voltage and preventing malfunctions in the circuit.

The specific data is subject to PDF, and the above content is for reference