B520CQ-13-F

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Diodes - Rectifiers - Single

A diode is an electrical component that acts to convert alternating current (AC) to direct current (DC). They are crucial components in the electrical and electronic circuits, allowing the passage of current flow in one direction while blocking it in the other. The B520CQ-13-F is a type of single-phase bridge rectifier that is used to convert AC to DC. It is designed with a voltage value of 1000V and current rating of 5A.

The Bridge Rectifier

A bridge rectifier is a type of rectifier that typically consists of four diodes arranged in a bridge configuration. It functions to convert the AC voltage to DC, with the conversion being possible for both single-phase and three-phase rectification

The B520CQ-13-F is a single-phase bridge rectifier with a forward current rating of 5A, reverse peak voltage of 1000V and reverse recovery time of 15μs. It is built on a single substrate, featuring symmetrical structure and a symmetrical cooling fin structure. The bridge rectifier has a forward voltage drop of 1.1V – 1.2V with a maximum forward current surge of 20A.

Working Principle

The bridge rectifier works by allowing the AC current to pass in alternating directions through each diode in the array. The functionality of the four diodes in the device as follows:

• A positive voltage is applied to one terminal, which is then directed through the rectifiers (diodes).
• The second terminal supplies a negative voltage to the connecting side of the diodes.
• In a bridge rectifier, the AC electricity applied is alternated in each cycle. Thus, the current flows in a clockwise direction when the AC voltage is positive, and in the counterclockwise direction when the voltage is negative.
• The alternating current is then converted to a unidirectional current, with the direction of flow of the current being determined by the polarity of the applied voltage.

Applications

Bridge rectifiers are widely used in AC to DC power conversion applications, including computer power supplies and battery charger systems. Additionally, they are applied in various lighting and light dimmer systems, and are found in various AC motor control operations. The B520CQ-13-F single-phase bridge rectifier provides excellent performance in a wide range of applications where good rectification performance is paramount.

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