VI40150CHM3/4W

Introduction to VI40150CHM3/4W

VI40150CHM3/4W is a type of rectifier array, also known as High Voltage Fast Recovery Controlled Avalanche Rectifier (HVFR-CAR). It is designed to be used in applications such as automotive, telecommunications, and electric power systems, where high voltage and low current ratings are needed. The VI40150CHM3/4W features a high-voltage surge capability up to 1500V, a fast recovery time, and a low forward voltage drop. The diode is also capable of withstanding up to a high peak current of 150A.

Application Field

The VI40150CHM3/4W is mainly used in applications where high voltage fast recovery controlled avalanche rectifier (HVFR-CAR) circuits are needed. This can include automotive, telecommunications, and electric power system applications where power conversion between ac and dc is needed. The rectifier can also be used in motor control, DC motor drives, and AC-DC power supplies.

In automotive application, the VI40150CHM3/4W can be used in various power management system. It can also be used to control various power circuits, including power steering, charging system, and engine control systems. In telecommunications field, the diode can be used in optical fiber systems, AC/DC power supplies, and power system convergence.

In electric power system, the VI40150CHM3/4W can be used for protection against transient voltage surges and other power disturbances and isolating electrical loads from the source. It can also be used in DC/DC power conversion systems, power conversion from ac to dc, motor control, and UPS systems.

Working Principle

The VI40150CHM3/4W has four diodes in a package which are connected in a rectifier circuit. The rectifier is designed to provide a high-voltage surge capability up to 1500V and a low forward voltage drop. The diode structure is based on the familiar M-Cell structure with a cross-linked metallurgical junction.

When the voltage applied to the rectifier exceeds the breakdown voltage (Vbor), a negative voltage avalanche will be formed across the two branches of the array. The avalanche process is what allows the device to maintain a high voltage during operation. During the avalanche process, the whole array will experience a wide range of electrical overshoot and dropout voltages.

The diode also features a fast recovery time, allowing it to quickly switch between on and off states. This is due to the high value of avalanche multiplication that is achieved in the device when voltage spikes occur. This allows the device to provide a high-voltage surge capability at a low current rating.

Conclusion

The VI40150CHM3/4W is a type of rectifier array which is designed to be used in automotive, telecommunications, and electric power system applications. It features a high-voltage surge capability up to 1500V, a fast recovery time, and a low forward voltage drop. The diode also has the ability to withstand high peak currents up to 150A. The working principle of the device is based on the familiar M-Cell structure with a cross-linked metallurgical junction.