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TVS stands for Transient Voltage Suppression and is a type of mixed technology. It is widely used to protect electrical components from electrical disturbances like fast transients, electrical spikes, or lightning strikes. TVS technology has been used in a variety of applications since the development of its early designs. In this article we will discuss the main areas in which TVS technology is used and its working principle.

TVS technology is used to protect a variety of electrical components and systems from electrical disturbances caused by fast transients, electrical spikes, and lightning strikes. It does this by providing a low voltage clamp that limits the voltage across the device or component. TVS devices can be divided into two main categories: AC-Coupled and DC-Coupled. The most common application of AC-Coupled TVSs is in LED lighting systems, as they provide an efficient way to limit the voltage supplied to the LED. DC-Coupled TVSs are commonly used to protect sensitive electronic components, as they limit the voltage across it. TVSs can also be used in commercial, industrial and automotive applications to protect against transient or overvoltage conditions.

The working principle of TVS technology is relatively simple. The device consists of two major components: a diode and a resistor. When the voltage across the device is within the operating range of the device, the diode acts like an open circuit, allowing current to flow through. However, when the voltage across the device exceeds the operating voltage, the diode switches from open to shorted, limiting the voltage across the device. Additionally, the resistor plays an important role in limiting the surge current when the diode switches from open to shorted. The combination of the diode and resistor works to provide a low voltage clamp that limits the voltage across the device.

In conclusion, TVSs are a type of mixed technology used to protect sensitive electronic components from electrical disturbances caused by fast transients, electrical spikes, and lightning strikes. The principle of operation is relatively simple and consists of a diode and resistor in series. This arrangement creates a low voltage clamp that limits the voltage across the device. TVS technology has a range of applications, from LED lighting systems to commercial, industrial and automotive systems.

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