AU3PKHM3/87A

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Diodes - Rectifiers - Single

A diode is an electrical component that limits the flow of current in only one direction. Diodes are categorized by the types of materials used, their orientation and the voltage and current ratings. Single rectifier diodes are the most basic type of diode and are used for power supplies, oscillator circuits and low-level voltage detection.

AU3PKHM3/87A Application Field and Working Principle

The AU3PKHM3/87A diode is a single rectifier diode whose current rating is 4 (amperes) A and reverse voltage rating is 500 (volts) V. It is a uni-directional device consisting of an N type region and a P type region and it is intended to be used as a power rectifier and in high wattage inverters. It consists of a single P-N junction and can be used for various applications including free-wheeling with positive or negative polarities.

The working principle here is the same as that for a regular diode. When a positive voltage is applied to the N type region of the diode, current starts to flow in one direction only, from the N type region to the P type region. To reverse the direction, a negative voltage needs to be applied to the N type region, and current flows from the P type region back to the N type region. In other words, the diode allows current to flow in one direction only and blocks the current when the voltage is applied in the reverse direction. This makes it perfect for use in power supplies, inverters and AC to DC conversion.

The AU3PKHM3/87A diode is encapsulated in an epoxy plastic package to minimize the effect of external radiation. It is also designed to withstand high surge currents of up to 15 A for a short period of time, which makes it suitable for use in high wattage inverters. In addition, it has a low forward voltage drop of 1.2 V and a maximum reverse recovery time of 10 ns.

The use of a diode bridge can increase the output power of the AU3PKHM3/87A, as it allows the current to flow in either direction, creating a full-wave rectified output. It is also used to reduce the peak-to-peak voltage, providing a smoother output voltage and minimizing the ripple voltage.

Overall, the AU3PKHM3/87A single rectifier diode is a versatile device that can be used in a variety of applications such as power supplies, oscillator circuits, and AC to DC conversion. Its low forward voltage drop and high surge current specifications make it suitable for use in circuits with high wattage inverters.

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