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Switch Component

The switch component (also known as switching transistor,switching element,electronic switching element) is a component that can turn on or turn off a circuit, that is to cut off the current in a circuit or to allow the current flows from one component to another. In electronic device, the switch components comonly refer to semiconductor electronic switch (such as transistor), which are semiconductor components with "switch" function and the internal conduction state of the electronic switch is controlled by the control signal (a current or voltage). Compared with traditional mechanical switch, semiconductor switch components are smaller, faster switching speed, more stable, longer life, and better compatibility. Because there are no moving parts inside the semiconductor components, the relay that uses semiconductor elements as switch components is called the solid state relay.

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