PDZVTR27A

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Diodes - Zener - Single is a type of diode that utilizes a heavily doped p-n junction that exhibits a reversible breakdown voltage and allows for bi-directional conduction under normal operation. The PDZVTR27A is a single Zener diode suited for use as a voltage regulator. It features a low cycling current and a shallow leakage current, which allow for maximum efficiency and robust performance. The device is designed to have a stand-off voltage of 6.0V and a reverse current of 150µA.

The working principle of the PDZVTR27A is based on the Zener breakdown. When an external reverse voltage is applied to the diode, it encounters a very high electric field created by its heavily doped junction. This electric field causes a so-called Zener breakdown, whereby electrons gain enough energy to jump the junction barrier and create an increased electric current. This current reduces the electric field until it reaches a balance of applied voltage, resulting in a constant or controlled voltage known as the Zener voltage.

In the PDZVTR27A, this process is used for voltage regulation. The device can maintain a 6.0V DC Zener voltage regardless of the input voltage or load current. The device is rated for a power dissipation (PD) of 0.5W and measures 4.5mm x 4.5mm in size, making it suitable for a wide variety of installations. It also has a fully molded SOD-123 package and an operating temperature range of -40°C to +80°C.

The main application of the PDZVTR27A is in power supplies, where it can be used to regulate the output voltage and maintain a steady current for the device. It can also be used in telecommunications applications as an over-voltage protector, as well as in small electronic devices for voltage stabilization. Additionally, the low leakage current makes it suitable for use in battery-powered applications, such as portable instruments and mobile phones.

In conclusion, the PDZVTR27A is a reliable single Zener diode ideal for voltage regulation and over-voltage protection applications. It features a low cycling current, low leakage current, a 6.0V stand-off voltage, and a compact physical package, making it suitable for use in a wide variety of systems. The device is also highly efficient and robust, allowing it to deliver reliable performance even in challenging environments.

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