VS-MBR745PBF

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Diodes are widely used in various applications. The VS-MBR745PBF is one of the rectifier families that can be used in a broad range of applications. The family of high-power surface mount devices offer low forward voltage drop with a maximum rated current per diode of 45A. This makes them an ideal choice for voltage regulation and power conversion applications.

The VS-MBR745PBF is a single common cathode type device that consists of two silicon diodes connected in parallel. The two diodes are commonly referred to as “schottky” or “propellant”. Each diode has a minimum current (Imin) rating of 8A with a maximum current capability of 45A. Each diode has a forward voltage drop of 0.5 volts max along with a minimum reverse leakage current of 100 microamperes (uA) typical. The reverse recovery time is maximum 140ns.

The VS-MBR745PBF features a hermetic seal used to protect the die against environmental stresses. This is augmented with an epoxy coating that offers further protection against vibration and mechanical shock. In addition, the package has a second tab on the back side which is connected to the ground plane of the board.

The main application field for the VS-MBR745PBF is in the sector of voltage regulation, power conversion and uninterruptable power supply (UPS) systems. It can be used in hard-switched applications such as motor control, switch mode power supplies and low-loss rectification purposes with high reliability and maximum efficiency. The current capabilities of the device and its ability to handle larger input currents without significant heating make it well-suited for solar inverters, inverters and other high-power applications.

The working principle for the device is relatively simple. When a voltage is applied to the input terminals of the VS-MBR745PBF, the two diodes will either conduct current (in forward direction) or act as an open circuit (in reverse direction). During the forward direction, one of the diodes will be forward biased while the other diode is reverse biased. If a large enough forward voltage is applied, current will flow through the diode and be rectified. During the reverse direction, both diodes are reverse biased, and thus they will act as an open circuit and no current will flow through.

This basic principle is used in all sorts of applications such as motor controls, switch mode power supplies and in controlling the energy flow in uninterruptable power supplies (UPS). The use of two rectifiers and two diodes allows for greater current handling capabilities and a more efficient power conversion.

The VS-MBR745PBF family of rectifiers can be used in a wide variety of applications. It offers low forward voltage drop, high current capability and efficient power conversion. Its hermetic seal and second tab on the back side protect it from environmental stress and vibration. This makes it an ideal choice for high-power applications requiring reliable, efficient power conversion.

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