ROV07-560K-S

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Varistors, commonly referred to as transient voltage suppression devices (TVS), are components that can provide a route for surge or spike current in order to prevent damage to an attached circuit. These devices, including the ROV07-560K-S, work to absorb energy during periods of high voltage and then release it after the surge dissipates. The result is that an external circuit is protected from overvoltage events without harm to itself.

The ROV07-560K-S is a metal oxide varistor (MOV). Essentially, this is a disc shaped device composed of sintered granules of ceramic material that is encased between two metal electrodes. This device is designed to respond to sudden voltage spikes in a circuit by providing a low resistance path, thus protecting vulnerable components from sudden, sustained high voltages.

When voltage is applied to the terminals of the MOV device, the granules rapidly transform from a high initial resistance to a much lower resistance as more voltage is applied. This process, called the voltage-dependent resistance, or VDR, allows the device to act as a current limit upon the sudden rise in voltage. When the voltage quickly dissipates, the varistor regains its initial high resistance state.

As for its use, the ROV07-560K-S is intended primarily for use in AC power circuits as a form of inrush current limiting protection. It can be used in applications such as lighting dimmers, audio amplifiers, industrial motor controls, and LCD TVs. It is also suitable for use in home appliances and office equipment. The ROV07-560K-S is rated for use in circuits with an operating voltage range from 276 up to 420V AC.

In general, the ROV07-560K-S works like a fuse. It responds to sudden surges and then releases the energy as the circuit returns to normal. This ensures that the electronic components connected to the device are not damaged. The way the MOV works is similar to a transistor, which cannot handle high voltage; however, unlike transistors, it is usually cheaper and easier to produce.

The advantages of using the ROV07-560K-S are numerous. One advantage is that it allows the protection of voltage sensitive components in an AC circuit. This is because AC voltages can change over time, stressing electronic components with the potential for damage. The ROV07-560K-S can limit the peak voltage by acting as a current limiter, protecting the chipset or other components from sudden voltage spikes or bursts of current.

In addition, the ROV07-560K-S offers a low impedance current solution with minimal heat build up and no heat dissipation. This is because it can provide a level of surge current that doesn\'t generate any heat. The device is also UL approved, VDE approved and RoHS compliant. In other words, the device is safe for use in all types of electrical systems.

In summary, the ROV07-560K-S is a varistor designed primarily for use in AC power circuits as a form of surge current limiting protection. It has a high initial resistance and then quickly transforms to a low resistance once a voltage surge is detected. The device is UL approved, VDE approved and RoHS compliant, offering low impedance current protection with minimal heat build-up. This makes the ROV07-560K-S an ideal choice for a variety of AC applications.

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