VBO55-18NO7

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Bridge rectifiers, such as the VBO55-18NO7, are one of the most familiar types of rectifiers. They comprise of four or more diodes connected in a bridge formation that converts alternating current (AC) to direct current (DC). It is a type of full-wave rectifier which utilizes both polarities of the AC input voltage to provide a full cycle of operation and convert the full AC amplitude to equivalent DC voltage. These rectifiers are used in a variety of applications, most notably power supplies.

In the VBO55-18NO7, four diodes (indicated by 2N3904 in the datasheet) are switches that provide mechanical rectification when the AC voltage reaches a peak corresponding to the polarity of the switch. When the AC voltage input is positive with respect to the cathode of the switch, current flows in the direction of the anode and the switch is turned “on”. As the AC voltage reverses, the switch is turned “off” and current flow reverses in the direction of the cathode. Thus, a complete cycle of AC to DC conversion is achieved and the operation of the bridge rectifier is repeated for ever alternating half cycle of the input AC voltage.

The VBO55-18NO7 bridge rectifier is a commonly used component in application that call for a steady DC voltage from an AC input, such as power supplies. Such power supplies may be used to transfer electrical power to an output, while the alternating current is continuously converted to a steady and direct current. This is an essential component of electronic components that require a steady voltage, such as computer systems, capacitive discharge welding, physiological sensors, and many other consumer electronic applications.

The VBO55-18NO7 bridge rectifier is designed to provide a smooth and consistent DC voltage along with a high degree of efficiency. It has a working voltage of 40 Volts DC, and a maximum forward voltage of up to 18 Volts. The diode is rated for a continuous current of 4.5 Amps with peak surge of up to 14 Amps. The VBO55-18NO7 features a thermal resistance of 28.0°C/W.

In summary, the VBO55-18NO7 bridge rectifier is a commonly used component in applications and systems that require a smooth and consistent DC voltage from an alternating input. The bridge rectifier utilizes four switching diodes to convert a full cycle of AC voltage into equivalent DC voltage. This diode is rated for a continuous current of 4.5 Amps with peak surge of up to 14 Amps and has a thermal resistance of 28.0°C/W. It is used in a variety of applications, including power supplies and consumer electronic devices.

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