AMCV-0402-090-C180N-T

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AMCV-0402-090-C180N-T is a surge protective device (SPD) and is a member of the Transient Voltage Suppression (TVS) device family. It is a three-terminal, non-polarized, monolithic device designed to protect sensitive circuits from over-voltage transients. This type of surge protection device is often referred to as a Metal-Oxide Varistor (MOV), and is primarily used to protect electronic equipment from the damaging effects of Electrostatic Discharge (ESD), lightning, and other transient over-voltage events.

The components and principle of operation of an MOV are relatively simple. An MOV consists of a monolithic block of zinc oxide material with two metal plates, typically made of zinc or copper, affixed to either side. This forms a rectifier-like metal-oxide junction which corresponds to the anode and cathode terminals of a diode. The construction of the MOV allows current to travel in only one direction, which is from the anode to the cathode. Under normal operation, the particles in the varistor material are at a low energy level and the junction behaves like an open circuit, allowing no current to pass through. During an over-voltage surge event, the MOV conducts current away from the equipment and towards ground.

The construction of the AMCV-0402-090-C180N-T is optimized to disperse the energy of the over-voltage transient with minimal degradation of the equipment it is protecting. It consists of a non-polarized ceramic body and two silicon plates, which are connected respectively to its anode and cathode terminals. The ceramic body is filled with zinc-oxide particles that form the varistor material, an insulating material called "electroceram", and two layers of an epoxy resin. The MOV helps to maintain the insulation between the anode and cathode terminals. In the event of an over-voltage surge, the current flows across the varistor material, creating a path of least resistance to ground.

The AMCV-0402-090-C180N-T is specifically designed for applications where protection is needed from low-energy ESD pulses or transients of lower to moderate energy.This device can be used in a wide variety of applications but is particularly well-suited for use in high-speed data and telecommunications circuit protection. It is also capable of absorbing and dissipating large amounts of energy in the event of a high-energy ESD strike or over-voltage transient. The device is available in a convenient 0402 surface-mount package and can be easily incorporated into existing circuit boards.

To summarize, the AMCV-0402-090-C180N-T is an MOV surge protection device belonging to the TVS family of devices. It is constructed from a zinc-oxide based varistor material and two layers of epoxy resin, which form its monolithic body. The device is designed to protect components and circuitry from ESD strikes and over-voltage transients. It is optimized for low-energy ESD pulses and transients of low to moderate energy but is also capable of dissipating high energy events. The device is available in a convenient 0402 surface-mount package, making it ideal for integration into electronic systems.

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