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TVS - Varistors, MOVs

The acronym AMCV-0603LC-140-C120N-T stands for an application specific transient voltage suppressor (locally referred to as Transient Voltage Suppressor, TVS). It is a small chip usually found in surface mount form used in various electronic devices. This particular type of TVS is mainly used in industrial applications, telecom, and computer numerically controlled (CNC) equipment. It is best applied in situations where the overvoltage or inrush current protection is needed.

A TVS is generally made up of two separate components: a varistor and a metal oxide varistor (MOV). The main function of the varistor is to act as a voltage regulator, dissipating any excessive voltage in the form of heat, hence protecting connected components from any kind of short circuit or overvoltage situation. The MOV, on the other hand, has the important job of limiting the amount of current that can pass through the device, thus protecting the connected components from excessive inrush current.

The AMCV-0603LC-140-C120N-T TVS has a number of specific features that make it an ideal choice for various applications. Its package size (0603) is much smaller than its competitors, which makes it ideal for mounting in confined spaces. Additionally, the device provides an excellent level of electrical isolation, thanks to its hermetic sealing. This ensures that there is no possibility of short circuits, which can be a common problem with other types of TVS.

The TVS also offers an outstanding level of protection from overvoltage and inrush current, with its varistor rated for a maximum peak pulse power of up to 140 Watts and its MOV rated for a peak pulse current of up to 120A. Thanks to these ratings, the device is more than capable of facing any kind of transients and voltage spikes that are found in industrial applications.

In terms of protection against electrical noise, the AMCV-0603LC-140-C120N-T device offers very good performance. Its varistor has a clamping voltage of 14V (maximum) which is ideal for protecting against high frequency noise. The device also provides excellent protection of 10dB against electromagnetic interference (EMI).

As a whole, the AMCV-0603LC-140-C120N-T TVS is an excellent choice for a wide range of applications. Its compact size makes it ideal for mounting in restricted spaces, while its high performance ratings provide the necessary safety margins for industrial, telecom, and CNC applications.

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