ROV10-220L-2 Circuit Protection

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TVS - Varistors, MOVs, is a surge protection component which functions as an electrical clamp that clamps down the voltage level, that is, when extreme high voltages that do not conform with the electrical-mechanical performance specifications of the system are detected, the TVS device is connected to the circuit and it helps to limit them so as to protect against physical or malfunction damage. 

The ROV10-220L-2, a varistor product from Littelfuse, is a metal oxide varistor designed to protect electronic equipment from transient voltage surges. The device is constructed with radially leaded ZnO discs, which offer very low clamping voltage and low leakage current at working voltage. 

The ROV10-220L-2 is available in two package types, one with insulated tabs and the other with uninsulated. Its insulation feature provides a robust solution for protecting sensitive devices in harsh environments, eliminating the need for separate insulation layers over each disc. The device\'s compact size allows it to be mounted even in high-density applications.

The ROV10-220L-2\'s working principle lies in its internal ZnO disc structure. Before a surge, the device acts as a high-ohm resistor with a low leakage current. During a surge event, the ZnO structure breaks down and the device\'s resistance drops, paving the way for the current surge to be safely diverted away from the system and device.

ROV10-220L-2 is an optimal surge protection choice for applications that utilize higher surge levels, high-speed data lines, or require long-term reliability. These applications include protection of data lines in industrial communication networks, telecommunication networks, CATV, outdoor antennas, automotive electronic components, etc. Its UL listed rating at 1750VRMS/20A (10/1000 μs) ensures the highest performance and maximum protection.

In conclusion, the ROV10-220L-2 is a reliable, high performance metal oxide varistor that offers reliable protection without adding bulk and complexity. Its insulation feature enables high-density and modular mounting solutions. Its wide voltage capability ensures that it\'s a solution for a variety of applications and voltage levels. The device\'s working principle is based on the ZnO disc structure which offers a fast response and reliable protection against transient voltage surges. 

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