RV681K10T

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TVS - Varistors, MOVs are devices that are specifically designed to protect against overvoltage transients, or spikes, compromising the integrity of an electrical system or the safety of the electronics contained therein. RV681K10T are excellent examples of these devices, working by clamping excessive voltages to a safe value to protect the system.

The RV681K10T has an operating voltage range of 14-15 VAC, and has a varistor voltage rating of 110 V. It is able to withstand high levels of working power, up to a maximum of 1.6 W, and has an energy absorption rating of 5.1 J at a measured current of 8 A. The device also has a low leakage current of 0.1 uA. The MOV is encapsulated in UL 94V-O flame resistant plastic, and is a compact, 10mm diameter disc with a total thickness of 2.3mm. This makes it suitable for most systematic applications.

The working principle of the RV681K10T follows that of all MOVs in that its resistance is greater at lower voltages, increasing rapidly as the voltage is raised above the so-called ‘clamping voltage’. This clamping voltage is the voltage at which the device will begin to conduct or attempt to ‘clamp’ the voltage spike. The rapid increase in current will limit the voltage of the spike to the rated varistor voltage, thus protecting the system from the larger voltage. Once the spike is gone, the device will quickly return to its original, higher resistance, effectively resetting it.

The RV681K10T is typically used in power supplies, AC adapter circuits, chargers, and communications equipment, as well as unmanned ground vehicles and medical imaging devices. Additionally, MOVs are expected to be increasingly used in power applications that require resistance to overvoltage conditions over the coming years. In power transmission, for example, MOVs are often used in lines and transformers to protect both the line itself and the sustained load.

Overall, the RV681K10T application field and working principle are highly distinguishable and make it a powerful tool for overvoltage protection. Its ability to accept a wide voltage range and rapidly react to overvoltage conditions, as well as its flame retardant encapsulation makes it a durable and reliable deterrent in ensuring the safety of an electrical system.

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