ROV10-680K-S-2 Circuit Protection

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The ROV10-680K-S-2 varistor is a member of the Transient Voltage Suppressor (TVS) family, and is defined by its features, one of which is its application field and working principle.

Applications

The ROV10-680K-S-2 is typically used for general surge applications such as transient voltage suppressors (TVSs), lightning protection, motor protection, cell phone protection, and more. This particular type of device is most commonly used in industrial production because of its wide operating temperature range (-40°C to +85°C). In addition, ROV10-680K-S-2 has a wide clamping voltage range of 15.7 to greater than 24V between two surfaces, giving it excellent surge power capabilities.

Working Principle

The ROV10-680K-S-2 is designed to protect sensitive electronics from voltage surge due to lightning, power faults, or line interference. It contains a non-linear Varistor which is a voltage-dependent resistor with a temperature-dependent capacitance. The Varistor functions as a two-port device with two terminals, one side connecting to the ground and the other to the power line. It acts like an open circuit until a particular voltage is reached, at which point the Varistor quickly quenches the surge and redirects it to ground. This is because the Varistor is designed to rapidly change resistances when exposed to an external voltage, as it will reduce to zero until the maximum voltage level is exceeded.

This Varistor-type working principle also allows ROV10-680K-S-2 transients to protect the application circuit from spikes, rings, and other transient voltage patterns. The circuit can be set up to provide reliable protection for device or circuit elements such as ICs and diodes against over-voltage, line faults, and voltage spikes, while providing a low clamping voltage. In addition, this type of transient voltage suppressor also has a low resistance during normal operation, making it an efficient choice for most applications.

Conclusion

The ROV10-680K-S-2 is a type of Varistor-based transient voltage suppressor (TVS) designed for surge protection applications in industrial equipment and environments. With its wide operating temperature range and its ability to quickly quench external voltages, this type of TVS is an ideal choice for surge protection. Combining the Varistor’s working principle with its weight, small size, and ease of installation, the ROV10-680K-S-2 makes an excellent option for protecting sensitive equipment from damaging voltage levels.

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