R712X

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Rectifiers are semiconductor components used to convert alternating current (AC) to direct current (DC). A single rectifier, whether a semiconductor or its traditional predecessor, the vacuum tube, can be used to form a half-wave, or full-wave, rectifier circuit.

In the field of electronic components, the R71XX series diodes are single rectifiers. These are designed to provide protection against short circuits, over current, over voltage, overload and power surges. R71XX rectifiers are usually found in industrial applications, due to their robust construction and high surge current ratings.

What is an R71XX Rectifier?

An R71XX rectifier is a type of single rectifier diode used in a variety of applications that require direct current from alternating current. The series is part of a family of components manufactured by several companies, including Vishay, NXP, and ON Semiconductors.

R71XX rectifiers are semiconduc­tors made of a ceramic-like barium titanate compound sandwiched between two layers of a conducting material. This material, known as an anode, acts as a barrier that only allows electrons to flow in one direction. The device is usually in a cylindrical shape and is either non-polarized or poled, depending on the application.

R71XX Application Fields

R71XX rectifier diodes are most commonly found in applications where heavy high-frequency currents are involved. This includes AC motor, audio amplifier, loudspeaker, motor speed control, high-frequency transmission, and lighting systems. They are also commonly used in circuits that require a high amount of surge current capability and in high-frequency switch-mode power supplies.

R71XX rectifiers are also used in power line switching, signal processing, filtering andrectification, the control of high voltage DC busses, and for protecting batteries from overcharging or accidental reverse polarity.

R71XX Working Principle

The R71XX rectifier works by allowing current to pass through a higher resistance diode. When voltage is applied to the diode, it creates an electric field that allows electrons to move from one end of the diode to the other. This field also resists current that is trying to move in the opposite direction.

The R71XX rectifier diodes can be used to construct either half-wave or full-wave rectifier circuits. A half-wave rectifier circuit conducts current only during the positive-voltage half-cycle, while a full-wave rectifier circuit conducts current both during the positive and negative-voltage half-cycles. In both types of circuits, the output current is direct current.

Conclusion

R71XX rectifier diodes are a type of single rectifier diode mainly used in high-frequency current applications. They are semiconductors composed of a ceramic-like barium titanate and a conducting material, and they can be used to construct half-wave or full-wave rectifier circuits. R71XX rectifiers are most commonly found in AC motor, audio amplifier, loudspeaker, motor speed control, high-frequency transmission and lighting systems.

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