V240RA16X2749

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A V240RA16X2749 varistor is a device used to protect electric systems from overvoltage conditions. It works by limiting the amount of voltage that can be applied to a circuit by automatically changing its resistance to absorb or limit excessive voltage. The varistor is an active device, so it reacts to changes in voltage.

V240RA16X2749 varistors are used in many electrical and electronic systems. They are primarily used for surge protection, floor-level power conditioning, EEC filter networks, and other switching circuits in industrial and telecom applications. In telecommunications, it is used to protect equipment from lightning and other high-energy transients. It can also be used for ac-dc power supplies, remote monitoring systems, and digital systems.

The varistor has two terminals that are connected to the circuit, and then to a ground or power source. When a voltage passes through the terminals, the varistor responds to the voltage by changing its resistance. The varistor limits the voltage by increasing its resistance, thus absorbing some of the energy. When the voltage passes back, it reduces the resistance and allows the voltage to pass through.

The V240RA16X2749 varistor is a Type 2 varistor. It has a voltage range of 16 V to 27 V, and a current rating of 3.8 A. It is also designed with a thermal cut-off feature, which prevents overheating. The varistor has a high capacitance that makes it suitable for use in noise filtering applications.

The V240RA16X2749 varistor works by responding to high voltage or transient overloads. When a voltage passes through the device, it adjusts its resistance accordingly. By absorbing the energy, it prevents the voltage from passing onto the circuit, thus protecting it from damage. It is also capable of handling high currents, which make it ideal for protection against high surges and transients.

The V240RA16X2749 varistor is a versatile and reliable device that offers protection to a variety of systems. It is especially suitable for protecting sensitive electronic or industrial equipment from high overvoltage situations. Its high capacitance also makes it ideal for noise filtering applications.

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