VS-400CNQ045PBF

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The VS-400CNQ045PBF is a half-bridge rectifier array with series connected ultrafast recovery diodes and a fast recovery thyristor that acts as a switch, to provide half-wave or full-wave rectification in a single package. This rectifier diode array is primarily used to rectify the ac input current to dc current, creating a three-phase bridge rectifier on the power input board.

The VS-400CNQ045PBF is designed for low frequency applications such as UPS systems, power supply systems, and motors. It is designed for higher energy efficiency and optimized for faster switching and improved thermal performance.

The rectifier array consists of two external MOSFETs, two rectifier diodes, and two fast recovery thyristors. The two external MOSFETs are mainly responsible for turning the rectifier array on and off, while the two diodes act as the rectifier elements, conducting only in one direction and blocking current flow in the opposite direction. The two fast recovery thyristors are the switching elements responsible for allowing and blocking current-flow.

When the MOSFETs turn the rectifier array on, the thyristors act as switches, allowing current to flow from the MOSFETs to the Thyristors in one direction and blocking it in the opposite direction. When the MOSFETs turn off, the thyristors stop conducting, blocking current flow in both directions. This type of configuration ensures that the rectifier meets its main purpose, which is to rectify the input current by allowing current to flow in only one direction.

The VS-400CNQ045PBF is a high current, high voltage array and is suitable for applications with output voltages ranging from 2.8V to 300V and output currents from 1A to 100A. It is rated up to 400V, 45A and also offers enhanced surge capability and optimized thermal performance. The main features of the device include low recovery charge and reverse leakage current for improved efficiency and increased power factor.

In addition to its rectification capabilities, the VS-400CNQ045PBF can also be used as a motor control switch. It can be used to start, run and stop the motor in applications such as motor control, power factor correction and power conversion.

The VS-400CNQ045PBF is a versatile rectifier array that is suitable for a wide range of applications. It offers improved efficiency, lower energy consumption and faster switching, making it an ideal choice for high power applications. The device is designed for improved thermal performance, allowing it to operate reliably in high temperature environments.

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