VS-ST173C10CFP0

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Thyristors - SCRs

The VS-ST173C10CFP0 thyristor is a member of the sensitive control rectifier (SCR) family. SCRs are essentially bi-directional switches that control large amounts of electrical power. They are used extensively in both the residential and technical fields. With a wide range of applications including motor control, power control and high voltage switching, SCRs have evolved to meet the needs of a variety of industries.

Application Field

As its name suggests, the VS-ST173C10CFP0 SCR is specifically designed for use in sensitive control applications such as motor speed control, switching for battery chargers, motor reversing, machine tool controls and relays, along with industrial electronics applications. It\'s suitable for a wide range of equipment and processes, including lighting dimmers, food/beverage canning/bottling machinery and medical instrumentation.

The VS-ST173C10CFP0 device is capable of switching a variety of devices in a variety of applications, including both AC and DC supplies. It has a high degree of reliability and does not require additional alterations for operation in hazardous environments.

Working Principle

The VS-ST173C10CFP0 works on a simple principle. When current is applied to its gate terminal, the thyristor conducts current in either the forward or reverse directions depending on the polarity of the applied voltage. By means of the built-in voltage regulator, the gate terminal can switch between on and off states.

When an external control circuit (typically a jack connection) is connected to the thyristor\'s gate, it can be made to turn on/off according to the polarity of the control voltage, thus changing its state. This process can be repeated so many times, as the user requires. The repeatability and stability of the twelfth are maintained by means of the voltage regulator.

When a steady voltage is applied to the thyristors gate, it will remain in the off state until the input voltage exceeds the rated gate turn-on voltage. The current through the thyristor will then increase rapidly and reach the peak current and a steady current flow is established. Further external control voltage will not cause any changes in the output current. At a certain value, the thyristor will turn off and dissipate the energy as it returns back to the original off state.

Conclusion

The VS-ST173C10CFP0 is a popular choice of SCR for various sensing and switching applications. Its simplicity and durability make it an indispensable part of many industrial processes. With its wide range of applications and its easy to use functionality, it is perfect for a variety of tasks. With its built-in voltage regulator, the SCR can accurately and reliably switch currents in both AC and DC supplies.

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