PLZ30C-HG3/H

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A zener diode is an electronic component that is commonly used for creating a reference voltage, regulating an output voltage, or providing protection from over-voltage conditions. The PLZ30C-HG3/H is a single zener diode, characterized by its specific breakdown voltage of 30V. As a type of diode, the PLZ30C-HG3/H works using the same basic principles as other diodes, but with a few key modifications that make it suitable for protecting circuits from transient over-voltages.

Application Field

The PLZ30C-HG3/H is designed to provide protection against transient over-voltage conditions in medium-frequency circuits, power supplies, and power converters. It can also be used in motor control and automotive systems, as well as in audio and communication applications. As it is a single zener diode, its application field is relatively limited compared to multiple diodes, but it offers several advantages that make it highly desirable for certain purposes.

Working Principle

In basic terms, the working principle of the PLZ30C-HG3/H is the same as other diodes. When forward-biased, the diode allows current to pass through it and provides a voltage drop of around 0.7V. This is the same as what happens with regular diodes. The difference with zener diodes is in the reverse-biased mode. When the voltage across the diode exceeds a predetermined threshold, the diode switches to a low-impedance reverse-biased mode, and current passes through the diode in the opposite direction.

In the PLZ30C-HG3/H, the threshold voltage is 30V, making it suitable for use in medium-frequency circuits. This diode also has a low reverse-bias leakage current and a high capacitance rating, making it suitable for applications where low noise is important, such as audio and communication applications. The low leakage current also allows it to be used in power-supply circuits.

Advantages of the PLZ30C-HG3/H

One of the primary advantages of the PLZ30C-HG3/H is its ability to provide protection against transient over-voltage conditions. This is achieved by switching to the low-impedance reverse-biased mode, which limits the voltage to the predetermined threshold. Additionally, this diode has a high capacitance rating and a low reverse-bias leakage current, making it suitable for noise-sensitive applications.

Another advantage of the PLZ30C-HG3/H is its low price. As a single zener diode, it is cheaper than multiple diodes, and its cost-effectiveness makes it highly desirable. Additionally, its compact form factor allows it to be easily integrated into a wide range of circuits.

Conclusion

The PLZ30C-HG3/H is a single zener diode that is characterized by its specific breakdown voltage of 30V. It is designed for use in medium-frequency circuits, power supplies, and power converters, and can also be used in motor control and automotive systems. It provides protection against transient over-voltage conditions, as well as low noise and a low reverse-bias leakage current. Additionally, it offers a compact form factor and cost-effectiveness, making it highly desirable for certain applications.

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