AVR-M2012C390KT6AB Circuit Protection

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AVR-M2012C390KT6AB application field and working principle

AVR-M2012C390KT6AB is a varistor (Voltage-dependent Resistor) made by the company AVX. It is often used in the protection from overvoltage events such as ESD (electrostatic discharge). The device is a type of TVS (Transient Voltage Suppressor) for protection from overvoltages in power systems. It features both low capacitance and low leakage current.

Working Principle

Varistors or MOVs (Metal Oxide Varistors) work by exploiting the nonlinearity of a semi-conductor material. The device functions by allowing a small current to flow when the voltage is below a certain level. When the voltage reaches a certain level, the current will suddenly increase by a large amount due to the nonlinear characteristics of the semi-conducting material. This sudden change in the current causes the varistor to absorb the excess energy from the circuit, thereby protecting it from any overvoltage event.

Application

AVR-M2012C390KT6AB is primarily used as a means of providing protection from overvoltages on power systems. This can be achieved by either directly placing the varistor across the power line, or by connecting it in series with a fuse or a circuit breaker. It is also widely used as an ESD-protection device in consumer electronics such as TVs, laptops, and smartphones. Additionally, it can be used in automotive systems for a variety of purposes such as providing protection from static electricity and electromagnetic interference.

Due to its low capacitance and low leakage current, it is preferred for applications that require fast response times and low power draw. Additionally, it is a cost-effective solution compared to other devices that perform the same function.

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