ROV20H270M-2

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Transient Voltage Suppressor (TVS) devices, including varistors, Metal Oxide Varistors (MOVs) and Silicon Avalanche Diodes (SADs), are essential components used in transient lightning and surge protection systems. The ROV20H270M-2 is a high power type II7 voltage clamp transient voltage suppressor (TVS) manufactured by LITE-ON, specially designed for high frequency circuit and lightning protection solutions.ROV20H270M-2 varistors are widely used in power supplies, signal circuits, outdoor communications, etc., and they provide users with robust lightning and power surge protection. This device is ideal for applications such as automotive, telecom, control, and leisure equipment. It provides a wide range of transient voltage protection while having a low leakage current.The working principle of ROV20H270M-2 devices is based on metal-oxide varistors (MOV). MOV is a voltage dependent nonlinear resistor that will change its resistive value with the magnitude of applied voltage. When a transient voltage is applied, multiple microscopic varistor jars form a tight ensemble of overlapping junctions to basically create a voltage-dependent current source. This current source is then used to quickly clamp the voltage standard. After the transient is removed, ROV20H270M-2 quickly restores back to a very low resistance condition, as the original zinc oxide varistor granules will reform into discrete varistor elements.ROV20H270M-2 devices are designed using an advanced packaging technology, which provides a low on-state impedance, high reliability, and simple installation. The devices are certified with UL1449, EN60898-1, IEC664-1, and CSA C22.2 standards, so they can be safely used in various electrical equipment.The operating temperature range for the ROV20H270M-2 is between -40 and +125°C. The TVS has a 5KV DC working voltage and a maximum clamping voltage of 400V. The peak pulse current is rated at 45A (8/20μs) and the power dissipation rating is 300W.In conclusion, the ROV20H270M-2 is a voltage dependent, nonlinear resistor designed to provide superior protection from current surges. It can provide users with reliable, effective, and safe protection in applications such as automotive, telecom, control, and leisure equipment. Its advanced packaging technology gives the device a low on-state impedance, high reliability, and simple installation. It is rated according to safety standards, making it safe to use in various electrical applications.

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