V480LS80B Circuit Protection

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TVS - Varistors, MOVs are used in electrical designs to protect against surges like transients and lightning. V480LS80B is a common TVS-Varistor, MOV device that can protect across a wide range of communication networks.

The V480LS80B is designed to protect signal lines as well as power lines in accordance with various industry standards. The device has an operating voltage of 480V with a peak pulse power rating of 12kA.

The application field of the V480LS80B is in the automotive, aerospace and telecom industries, as well as in the consumer electronics sector. Its primary use in these areas is for over-voltage protection, such as from transients, spikes and other power disturbances.

V480LS80B consists of two functional parts: a varistor and an MOV. A varistor is a voltage-dependent, non-linear, resistor typically made of zinc oxide. The varistor has low resistance when the voltage is below a certain voltage known as the “clamping voltage” and has very high resistance when the voltage is above the “clamping voltage”. The MOV or Metal Oxide Varistor is based on the varistor, and it is used for protecting signal lines and power lines against transients and surge currents.

The V480LS80B works by limiting the peak voltage or current of a circuit. The MOV is the active component, where a Zinc oxide disc is wired in series with the power or signal line to be protected. The MOV will reduce the voltage across the device to a safe level thus protecting the circuit from possible damage.

The V480LS80B is designed to absorb the energy of spikes or transients with a peak value between 16KV to 24KV and generate an electro-magnetic field that eliminates them. It is designed to divert and contain the excessive current and protect the circuit, and then reset itself after the transient or spike is gone.

V480LS80B also meets the requirements of high capacitance, low inductance and has excellent clamping abilities. This is combined with low levels of contact resistance, low leakage current and excellent energy dissipation capability. In addition, V480LS80B can protect an entire system which is connected to the same power source with a single varistor.

In conclusion, V480LS80B is designed for high voltage protection of communication networks and is suitable for the automotive, aerospace and telecom industries and consumer electronics sector. It works by limiting the peak voltage or current of the circuit by absorbing energy, generating an electric field, diverting and containing the excessive current and resetting itself after the transient or spike is gone.

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