GBU4B-E3/51

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Diodes are electronic components that allow electrical current to move through them in one direction only. Bridge rectifiers are specialized diodes used in electrical power applications to convert alternating current (AC) to direct current (DC). The GBU4B-E3/51 is a family of bridge rectifiers manufactured by United Chemi-Con, specifically designed to convert high voltage AC applications to low voltage DC. It offers an efficient, cost effective solution for multiple applications.

The GBU4B-E3/51 bridge rectifier family consists of various models that range in voltage and current ratings. The highest voltage rating for the family is 400 volts with peak forward current up to 51 amperes. It is filled with a thermosetting plastic, allowing for faster heat dissipation. All models have UL recognition, meeting CAT III 300AC safety requirements.

The primary application field of the GBU4B-E3/51 is power supplies, including AC-DC converters, battery chargers, motors and appliance. It offers a highly reliable solution to these applications because the components are equipped with over-current and over-temperature protection. The bridge rectifier is also used in other applications such as lighting, audio amplifiers, ovens, and X-ray machines.

The bridge rectifier is able to convert high voltage AC to low voltage DC due to its unique design. The rectifier consists of four diodes: two anodes and two cathodes mounted in a closed loop configuration. When current from the AC source is applied to the diode, it either passes on through each diode in turn (in phase with the current) or the opposite direction (out of phase with the current). Either way, the total voltage drop is the same.

The GBU4B-E3/51 also features a very low forward voltage drop, allowing for efficient conversion of power and less dissipation in the form of heat. The bridge rectifier also features a surge protection of up to 400V and surge current ratings up to 3KA.

This bridge rectifier is robust and reliable, with high surge and pulse current capabilities. It is suitable for various industrial applications, and is UL Certified to CAT III 300AC safety requirement. It offers a cost effective, efficient solution to power supply applications requiring the conversion of high voltage AC to low voltage DC.

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