BU25065S-E3/45

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Diodes – Bridge Rectifiers are widely used in various applications. This article will be focusing on BU25065S-E3/45 – a type of bridge rectifier – and its application fields and working principles.

The BU25065S-E3/45 belongs to the family of Full Bridge Rectifier Devices with soft-recovery and high blocking voltage. It has four integrated diodes, which are connected in a bridge configuration allowing it to handle relatively high currents efficiently. The bridge rectifier is made up of four general purpose power diodes interconnected in a bridge arrangement. It offers a very simple and cost-effective solution for rectifying the Alternating Current (AC) supply to the Direct Current (DC) supply. It is rated for 65 A of continuous load current at 175°C junction temperature, with peak surge capability of 315 A.

The BU25065S-E3/45 can be typically used in industrial applications such as domestic appliances, power tools and lighting fixtures such as energy efficient lamps. It can also be used in various computer applications, medical equipment and automotive system as well as power supplies, solar power invertors and DC transformers.

The BU25065S-E3/45 has a blocking voltage of 400V, with diodes offering a forward current of 3A each. It is also available in various packages, including the TO-220, TO-263 and TO-220FEpackages. The bridge rectifier also offers a low turn-on voltage and a soft recovery for long life operation.

The BU25065S-E3/45 uses a reverse biased diode arrangement to suppress abnormal voltages caused by inductive load switching. This reduces power dissipation and increases diode lifetime. It protects against high voltage spikes that may occur when turning the power on and off or switching the load on and off. The BU25065S-E3/45 also offers a switching configuration, allowing for efficient power transfer.

The device also functions as a voltage doubler rectifier, which converts an AC input voltage to a DC output of approximately twice the value of the AC source. This can be used in applications that require higher voltages, including audio amplifiers and flyback converters. It is also used in LED driver circuits and solar array inverters.

In conclusion, the BU25065S-E3/45 is a full-bridge rectifier device with soft recovery and high blocking voltage. It is suitable for various AC to DC conversion applications, including domestic appliances, power tools, medical equipment, and automotive system. This bridge rectifier is also known for its low turn-on voltage, long life operation and reverse biased diode arrangement for accurate voltage control.

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