V480LC40APX2855

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TVS – Varistors, MOVs, are electrical components designed to protect electronic circuits from excessive voltage or current. The V480LC40APX2855 is a varistor designed for industrial use. It has a wide range of applications in various electronics and power equipment, including power supplies, DC/AC inverters, battery protection units, and communication and medical equipment.

The V480LC40APX2855 is composed of zinc oxide varistor disks connected in series-parallel configuration. The major parameters of this varistor are the voltage rating (480V), current rating (40A) and frequency (2-12 kHz). The device has flat termination pads on both sides for easy connection and efficient operation.

The varistor is permanently sealed in a UL 94V0 case. It has a wide temperature range of -40°C to 85°C, an excellent pulse handling capability and a low operating temperature coefficient. The V480LC40APX2855 has an impressive surge current rating of 20kA. This ensures it can protect critical circuits from high voltage transients.

The device features a natural frequency response to various power frequency disturbances. Its internal self-limiting feature also helps to reduce over-voltage and current surges in circuits.

The working principle of the V480LC40APX2855 is simple yet effective. The varistor disks in the device have a certain level of resistance. When the voltage across the disks exceeds the specified voltage rating, the device begins to conduct and absorb the excess voltage. During this process, the device dissipates the energy in the form of heat, thus protecting the circuit.

In summary, the V480LC40APX2855 is an excellent varistor for industrial applications. It features an industry-leading surge current rating and a wide temperature range. Its simple but robust design ensures excellent protection from high voltage transients and power frequency disturbances.

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