GDZ2V0B-E3-18

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Diodes - Zener - Single

Diodes and Zener diodes are special types of semiconductor devices that are widely used in various industrial applications and consumer electronics. Among the range of these products, GDZ2V0B-E3-18 is a single series of voltage regulating diodes from Panasonic.

Application Field

GDZ2V0B-E3-18 is a single-type Zener diode designed for voltage regulation of power supplies and DC-DC converters. It has a series of nominal breakdown voltages from 1.8 V to 75 V, making it one of the most widely used Zener diodes in the industry. This device is suitable for applications wherein continuous current up to 200mA can be regulated. Additionally, GDZ2V0B-E3-18 is well suited for use in consumer electronic devices, such as computers and HDTV sets. Given its small size, the diode can be used in compact or space constrained applications.

Working Principle

A Zener diode, like GDZ2V0B-E3-18, functions as a voltage regulator. The diode is constructed with a cathode and an anode, which are reverse biased when the input voltage is above the Zener voltage. It acts like a normal diode when forward biased, but it allows for current to flow in the opposite direction when reverse biased. This allows for the regulation of voltage to a specific level.

When the input voltage is greater than the breakdown voltage (Vz) of the diode, the diode conducts. This results in a reverse bias current flowing through it, which eventually causes the input voltage to reduce to the Zener voltage, Vz. This regulated voltage is maintained for as long as the input voltage remains greater than the Zener voltage. The current (Iz), which is the difference between the input current and the output current, is known as the Zener current.

If the input voltage is less than the Zener voltage, then the diode becomes non-conductive. This allows the output voltage to remain constant at the Zener voltage.

Conclusion

GDZ2V0B-E3-18 is a single series of Zener diodes from Panasonic featuring a nominal breakdown voltage range of 1.8 V to 75V. Due to its wide range of voltages and current capacities, it is widely used in various industrial applications, such as power supplies and DC-DC converters. It can also be used in consumer electronics, such as computers and HDTVs given its small size. The working principle of a Zener diode is based on the fact that it allows for current to flow in the opposite direction when reverse biased, thus allowing for voltage regulation to a specific level.

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