ROV05H391K-2

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The ROV05H391K-2 is a TVS-Varistor (Transient Voltage Suppressor – Varistor) and MOV (Metal Oxide Varistor) that is designed to limit voltage transients in the power grid. It is commonly used in appliance protection circuits, low-voltage power supply circuits, and in applications where multiple MOVs are needed.

TVS-Varistors are designed with a zinc oxide material to absorb excess energy from voltage transients, while MOVs use a metal oxide material to dissipate excess energy. Both types can provide protection against over-voltage, under-voltage, over-current, and over-temperature conditions.

The ROV05H391K-2 is designed to be used as a single component protection device. It has two terminals, one for the power supply input and the other for the protected circuit output. When an over-voltage or over-current occurs, the varistor absorbs the excess energy, protecting the circuit from damage. The varistor is also able to dissipate voltage transients and is able to withstand surges of up to 400V without damage.

The ROV05H391K-2 is designed to provide protection for circuits up to 400V. It has an open-circuit voltage rating of 2.3V, and a current rating of 5.9A. The varistor also has a peak pulse current of 40 A and a peak pulse power rating of 2.9 kW.

In operation, the ROV05H391K-2 varistor works by absorbing electrical surges that occur during power line transients or when there are voltage spikes in the power grid. This surge absorption then protects the equipment from damage. The MOVs also dissipate surges and are effective in controlling transient voltages in low-voltage power supplies.

The ROV05H391K-2 is designed to provide an effective solution for protecting circuits in applications where multiple MOVs are needed. It is also often used in the protection of appliances, low-voltage power supplies, and other industrial equipment. This varistor is suitable for both high-voltage and low-voltage applications and provides a reliable and efficient protection for circuits.

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