ROV20H121K

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TVS - Varistors, MOVsThe ROV20H121K is a type of transient voltage suppressor (TVS) device. TVS is a form of protection device used for controlling and suppressing transient voltages, such as those produced during lightning strikes or during surges generated from switching power supplies. The ROV20H121K is part of a subclass of TVS called metal oxide varistors (MOVs). MOVs are a particularly effective type of protection device, as they provide bidirectional, nonlinear current flow to reliably suppress adverse events. The ROV20H121K device is a unique type of MOV. It is a 12V, 20A unidirectional MOV that is designed for facility-wide and IT system protection. It has an ultra-low capacitance, and is compatible with both AC and DC power supplies. The ROV20H121K is designed to protect your equipment from common electrical surges and spikes, such as those caused by lightning strikes, power cycling, or power surges. It uses a special “absorbing type” technology that helps to absorb the energy of high-voltage transients and quickly reduce the voltage back to normal levels. This helps to protect your equipment from damage or malfunctioning caused by these high-voltage events. In addition to protecting your equipment from excessive voltage levels, the ROV20H121K also helps act as a fuse in some cases. If the power supply is pulled too hard and too fast (such as during a lightning strike) the MOV will absorb the energy and activate a built-in fuse, cutting off the power to the affected equipment until the event is over. The working principle of the ROV20H121K relies on MOVs, which are made of a hard ceramics material called zinc oxide. This zinc oxide is able to react to high voltages by becoming electrically active. This creates a bridge between the nodes, allowing the current to flow and absorb the energy of the surge. As soon as the surge is dissipated, the zinc oxide returns to its inactive state, allowing the MOV to continue functioning.The ROV20H121K is useful in many applications, such as telecommunications systems, electrical components, and medical equipment. Telecommunications systems are especially vulnerable to high-voltage surges, and this MOV is designed to protect these systems from damaging transients. Additionally, the ROV20H121K can be used in electrical components and medical equipment, providing added protection from surges generated from within the equipment itself or from external sources. In conclusion, the ROV20H121K is a valuable transient voltage suppressor device that can be used to protect sensitive electrical equipment from harmful transients. Its metal oxide construction makes it an effective surge protector, and its low capacitance makes it ideal for AC and DC power supplies. Additionally, the device is designed to act as a fuse in some cases, protecting the equipment from further damage by cutting off the power supply during certain conditions. 

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