FMC-28U

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The FMC-28U is a single-phase bridge rectifier designed for use in high-frequency applications. It is composed of four MOSFET transistors with a maximum impedance of 40mA and can operate at frequencies up to 20kHz. The FMC-28U is typically used for rectification in power management systems, power supplies, DC-DC converters, and other applications.

The FMC-28U employs a conventional four-diode bridge rectifier configuration, as shown in the figure below. The circuit consists of four diodes arranged in a rectifying bridge, with two transistors connected in series to form an additional rectifying branch. The transistors are connected to the bridge outputs in such a way that they complement each other during the rectification process: when one transistor is conducting, the other is non-conducting. The FMC-28U also contains an additional terminal for gate control of the transistors, allowing for external control of the rectification process.

When a single-phase AC voltage is applied to the FMC-28U, the four output terminals produce a rectified output voltage that consists of pulsating DC voltage and the remaining AC voltage. The two complementary transistors are used to reduce the ac ripple voltage. By controlling the gate of the transistors, the output voltage can be fine-tuned. The output voltage of the FMC-28U also depends on the load current, which affects the voltage drop across the bridge rectifier.

In most applications, the FMC-28U is used to convert AC input voltage to DC output voltage. The four output terminals of the FMC-28U can be connected in series, parallel, or in any combination thereof to get the desired output voltage. In addition, the output current of the bridge rectifier can be regulated by controlling the gate of the transistors. The FMC-28U is also capable of operating at high frequencies, making it suitable for applications such as switching power supplies.

The FMC-28U is a highly efficient bridge rectifier and can handle up to 40mA of current. The device is designed to provide excellent electrical performance and high reliability. Additionally, the FMC-28U is manufactured with consistent dimensions to enable easy mounting and installation.

The FMC-28U is suitable for use in a variety of applications, including power management systems, renewable energy systems, automotive electronics, digital lighting, industrial control equipment, high-frequency DC-DC converters, and more. The device is available in both surface-mount and through-hole packages, making it easy to integrate into any system.

Overall, the FMC-28U is an ideal solution for high-frequency and low-noise bridge rectifier applications. The device provides excellent electrical characteristics and high reliability, making it an ideal choice for applications with demanding requirements. The FMC-28U is an excellent choice for applications requiring cost-effectiveness and high performance.

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