ROV Metal Oxide Varistors Raychem Tyco
"The ROV device's high current-handling and energy absorption capability, fast response, and low cost can make it suitable for use in line voltage applications."
"An ROV device is a varistor fabricated using a Zinc Oxide (ZnO) powder, sintered with other metal oxide ceramics. The resulting
structure is a polycrystalline ceramic that consists of distributed ZnO grains, separated by other metal oxide ceramics."
"A varistor is a variable resistor-a voltage dependent, non-linear device whose resistance decreases as the voltage applied across the device increases. "
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