MBRF20200CTR

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The MBRF20200CTR is a three-phase high-voltage, fast-recovery, soft switching diode rectifier array that can be used in various power applications such as frequency converters, motor drives, welding inverters, and solar inverters. It is designed for use in isolated, isolated-neutral and isolated-ground three-phase systems. The MBRF20200CTR is an ideal solution for applications requiring high surge voltage, high speed switching, and good EMI performance. This rectifier array is also suitable for applications that require high forward turn-on and reverse blocking voltages to provide reliable operation and reduce power losses.

The MBRF20200CTR utilizes a high-voltage, fast-recovery, soft-switching diode rectifier array that is composed of three diode chips in parallel connection and is capable of providing continuous currents of up to 200 A. The three phase rectifier array offers excellent EMI performance with ultralow levels of conducted EMI, making it suitable for harsh environment applications. It also features fast switching, low power losses, quiet operation, and surge voltage capability of up to 8 kV in reverse blocking.

The diode rectifier array uses the principle of rectification, which is a one-way conducting process in which alternating current (AC) is filtered to provide only the desired direct current (DC) output. This is accomplished by the use of two or more diodes in an arrangement known as a rectifier bridge. The rectifier circuit uses a three-phase input and provides a single output that is a sum of the individual rectified phases. The diodes in each bridge are connected in series and are connected to the AC signal source, alternating between forward and reverse bias voltages. This alternating bias voltage results in a rectified voltage waveform when the diodes are reverse-biased, the diode does not conduct and the output voltage remains zero. When the forward-biased diode reaches a certain cut-in voltage, it becomes forward-biased, allowing current to flow through it and a rectified voltage waveform to be generated.

The MBRF20200CTR utilizes a three-phase high-voltage fast-recovery diode rectifier array to provide its output. For each single output, the array consists of three parallel diodes, each with its own reverse-blocking capability. The total forward-turn-on voltage for the array is typically 25 volts and the forward-blocking capability is typically 8kV. The reverse-blocking capability is typically 800V. The rectifying effect of the array is highly dependent on the values of the forward-turn-on and reverse-blocking voltages and can be adjusted by changing the voltage of the respective output connections.

The MBRF20200CTR is suitable for applications such as frequency converters, motor drives, welding inverters, and solar inverters. These applications require high-speed switching, low power losses, and a high-degree of EMI performance. The high-voltage, fast-recovery, soft switching diode rectifier array is an ideal solution because it offers all of these features in a single package. Additionally, the rectifier array provides reliable operation and reduces power losses due to its high forward turn-on and reverse blocking voltages. The three-phase rectifier array makes it easy to achieve strong EMI performance, allows for fast switching, and is a reliable solution for power applications.

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