V140LC20AP

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TVS - Varistors, MOVs, or transient voltage surge suppression devices, have been used in electronics circuits to provide protection against electrical surges, such as lightning or inductive switching events. Among these types of devices, the V140LC20AP is a two-level Metal Oxide Varistor (MOV) that offers a high current protection solution.

The V140LC20AP is a two-level metal oxide varistor that provides a current protection solution. It is designed to provide protection against electrical spikes or transients caused by inductive switching or lightning. The device is rated for a peak current of 1kA (1,000A) with a breakdown voltage of 140V and a clamping voltage of 18V. It includes a low series resistance (1Ω maximum) that allows for fast current discharge, and a low capacitance (2 pF maximum) that provides minimal AC interference.

The V140LC20AP has application in a variety of electronic equipment, including telephone systems, power supplies, solar micro-inverters, secondary automotive systems, and more. The device is designed to absorb excessive current or voltage surges by allowing a controlled current to flow through a section of the circuit or device being protected. This current is then dissipated through the MOV or varistor without causing any physical or electrical damage.

The working principle of the V140LC20AP is simple. Its basic function is to act as a voltage clamp, diverting excessive currents away from sensitive electronic components and dissipating them harmlessly. When subjected to a voltage surge, the device\'s N-type metal oxide semiconductor junction is exposed to an increasing voltage. When the voltage reaches the clamping voltage of 18V, a controlled current is allowed to flow through the device; this current then dissipates through the MOV, protecting the sensitive components from damage. The MOV will continue to absorb excess current until the voltage reaches a breakdown voltage of 140V, at which point the MOV will be destroyed.

In conclusion, the V140LC20AP provides an effective solution for protecting electronic components from voltage surges and transients. It offers a high current protection solution with low series resistance and low capacitance, making it ideal for a variety of electronic equipment. Its simple working principle makes it easy to understand and use, making it a popular choice for surge protection.

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