VSIB440-E3/45

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Diodes are used to convert alternating current (AC) to direct current (DC) in rectifier circuits. A bridge rectifier is a set of four or more diodes that are connected together in a bridge configuration. The VSIB440-E3/45 is a type of bridge rectifier designed for use in power applications, such as in DC power supplies, converters, and other power rectification circuits.

The VSIB440-E3/45 is a four-phase diode bridge rectifier with a maximum working voltage of 440 V and a maximum current rating of 45 A. It features a bridge configuration of two positive diodes and two negative diodes that allow for both positive and negative polarities of power to be converted into a single DC output. The device is also designed to withstand surge voltages up to 1000 V, making it well suited for use in high voltage applications.

In a power supply circuit, the VSIB440-E3/45 can be connected to an AC input power source and an output DC filter network. The diodes in the bridge rectifier act to transfer the AC power to the filter network and convert the power to DC. The positive diodes conduct when positive AC input voltages are applied and the negative diodes conduct when negative AC input voltages are applied. This allows both positive and negative cycles of the AC waveform to be transferred to the filter network, thus allowing a full DC output from the power supply. The VSIB440-E3/45 is also designed to allow for up to 3% voltage drop from the input AC voltage to the DC output voltage. This makes it well suited for applications where a highly accurate DC output voltage is required.

The VSIB440-E3/45 is also designed to provide excellent thermal stability, with a junction temperature of up to 150°C. This makes it suitable for use in high temperature environments. Additionally, the device is designed to meet UL, CSA, and CE safety standards, ensuring that it is safe to use in enclosed power supply circuits.

Overall, the VSIB440-E3/45 is a 4-phase bridge rectifier designed for use in high voltage power rectification applications. It is designed to withstand voltages up to 1000 V, provide a 3% voltage drop, and feature a junction temperature of 150°C. Additionally, the device is designed to meet UL, CSA, and CE safety standards, allowing for safe use in enclosed power supply circuits.

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