VC120614A300RP

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TVS - Varistors, MOVs are important components used in the circuit for their superior role in overvoltage protection. The VC120614A300RP is an example of such a device. It is a chip type, three-terminal silicon-based voltage protection device, with a transient voltage protection voltage of 300V, and a maximum rated power dissipation of 3W.

VC120614A300RP is a varistor with three terminals for the circuit connection. When an overvoltage occurs in the circuit, the voltage will be dissipated into the varistor evenly and quickly, to reduce the peak of transient voltage and restrain the electric current. Having the features of small size, light weight, low cost, fast response, low parasitic capacitance, good heat dissipation and long lifespan, it is widely used in many occasions, such as communications, automotive, consumer electronics, medical equipment, etc.

The main working principle of the VC120614A300RP is that when the voltage is normal, the PN junction does not conduct current. When a steep rise in the voltage occurs in the circuit, the junction of the varistor will conduct current at the critical voltage, creating a loop around the PR junction and controlling the large current through it. After the transient voltage exceeding the rated voltage, the varistor can discharge excessive voltage quickly and effectively, providing a stable and safe working environment for the entire circuit.

The VC120614A300RP can be divided into two application fields--Power Electronics, and Computer and Office Equipment. The application of varistors in the Power Electronics field includes AC and DC power supplies. These power supplies are used in electronic equipment, household appliances, and other eqiupment, where the transient voltage can weak the funciton of these equipments and even cause fail of them. In the Computer and Office Equipment field, varistors are used to protect the integrated circuit and components in the computer, such as the CPU, North/South Bridge chip, Serial ATA interface, etc. from overvoltage or short circuits.

To sum up, the VC120614A300RP is an example of a three-terminal, silicon-based voltage protection device, with a transient voltage protection voltage of 300V and a maximum rated power dissipation of 3W. It can provide stable and reliable performance in computer and office equipment and power supply for electronic equipment. Its excellent overvoltage protection performance can effectively prevent the damage of the equipment.

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