PDZ4.7BGWX Discrete Semiconductor Products

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Diodes - Zener - Single: PDZ4.7BGWX Application Field and Working Principle

Diodes - Zener - Singles are one type of Zener diode that, when applied to the desired electric field, can work as a static electric energy source. When a negative voltage is applied to the anode and a positive voltage is applied to the cathode, it enables a reverse current to flow. This diode is also known as a voltage-regulating or a surge-suppressing diode. The PDZ4.7BGWX is a diodes type of Zener diode that is popular in many industries because of its consistent performance and accurate voltage regulation.

The PDZ4.7BGWX Zener diode is a silicon-based diode that come in the form of a glass case and can operate within an ambient temperature range of -55 to +125℃. It has a 4.7V zener voltage, a continuous forward current up to 1.0A, and a power dissipation of 500mW. It also has a susceptible level of 5pF and a junction capacitance of 80pF. It is often used in products where minimum zener voltage and regulation, a fast switching time, and reliable reverse surge characteristics are important features.

The working principle of the PDZ4.7BGWX Zener diode is based on "the Zener Effect". When the voltage applied across the diode increases, then the internal electric field increases as well. This stronger electric field causes the valence band electrons to increase the ionization of the atoms and offset. These electrons jump from the valence bands to the conduction bands and create a current of flow and an associated voltage drop across the diode, which regulates the output voltage of the diode.

The applications of the PDZ4.7BGWX Zener diode majorly include surge protection, limiting and clamping, referencing, ESD protection, and voltage regulation of varying systems. It is used in a wide variety of electrical products, from industrial equipment and consumer appliances to automotive electronics, including CD players, computers, telephones, televisions and video equipment. It is also used in protection circuits which reduce transient overvoltages, overvoltage clamping, voltage references, and current limiting circuits used in digital circuits, where the power supply needshigh accuracy and stability.

In conclusion, the PDZ4.7BGWX Zener diode is a single zener diode made of silicon. It is reliable and can operate in different ambient temperature ranges. It is used in various systems, including surge protection, limiting and clamping, referencing, ESD protection, and voltage regulation. This type of Zener diode offers consistent performance and accurate voltage regulation, making it ideal for digital circuits in electrical devices.

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