V30120SG-E3/4W

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Diodes are electronic switches that have the capability to pass or block the flow of electric current and are the most common type of passive two-terminal component found in electrical circuits. Rectifiers are a type of diode specifically designed to reduce AC to DC and these components typically include five or six diodes in a bridge configuration. The V30120SG-E3/4W is an example of this type of component.

Application Field

The V30120SG-E3/4W rectifier diode is a surface mount, axial lead Schottky barrier diode with an average forward voltage of only 0.13 V. This component is designed for use in a variety of applications, including high-speed switching, freewheeling, voltage rollover, synchronous rectification within switching DC/DC converters, and lighter load circuits such as low-power resonant converters. It is equipped with advanced features and wide operating temperature range of -55°C to +150°C and is suitable for use in high-frequency circuits as well as in a variety of step-down or step-up voltage regulating systems.

Working Principle

The V30120SG-E3/4W diode acts as a switch in an electrical circuit and when proper biasing is applied, unidirectional current passes and acts as a rectifier. This rectifier is reversed biased when the current is blocked. In a rectifier circuit, AC voltage is given to the input of the bridge configuration, where a series of diodes act to block the reverse direction of the current and ensure that it is blocked by the diode until all of the AC components are removed and only DC is present. This direct current is then passed to the output of the bridge configuration.

The three critical parameters to consider when selecting a rectifier diode are forward voltage drop, reverse voltage handling, and maximum current. The forward voltage drop is the voltage drop across the diode when the forward current is passed through it. Reverse voltage handling is the maximum reverse voltage that the diode can safely handle without sustaining damage. Maximum current refers to the maximum current that the diode can safely carry before its dissipation rating is exceeded or it is no longer able to assure good operation. The V30120SG-E3/4W rectifier diode is designed for a maximum current rating of 40 Amps, with a reverse voltage handling of 20 Volts and an average forward voltage drop of 0.13 Volts. The low forward voltage drop minimizes heat dissipation in the circuit, making it suitable for a variety of applications.

Conclusion

The V30120SG-E3/4W rectifier diode is an axial-lead surface mount Schottky barrier diode that is designed for use in a variety of high-speed switching and voltage regulating applications. It has an average forward voltage drop of 0.13 Volts, a reverse voltage handling of 20 Volts, and a maximum current rating of 40 Amps. These features make the V30120SG-E3/4W an excellent choice for applications in which high speed and low power dissipation are required.

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