V175LC10A

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TVS devices, or Transient Voltage Suppressors, are a class of components typically used to protect sensitive electrical and electronic equipment from transient over-voltage or electrostatic discharge events. Varistors, or Voltage Dependent Resistors (VDRs), are one of the most commonly used TVS devices, and have been employed in a wide range of applications for over 50 years. The V175LC10A is an example of a metal-oxide varistor designed for use in critical application fields. This article will explore its application fields and working principle.

The V175LC10A is a thermally and mechanically robust varistor specifically designed for use in low-voltage, high-current power conditioning systems that require exceptional circuit protection. With its 175V peak clamping voltage and 10A surge current rating, the V175LC10A can effectively protect against surge events such as lightning strikes and line transients, making it ideal for applications such as outdoor installations such as antennae, rooftop installations such as isolated power systems, and even power applications in industrial and medical settings.

The basic working principle of a metal-oxide varistor is fairly simple. The V175LC10A is composed of two electrodes, the first of which is connected to the source of power and the second of which is connected to the load. The metal-oxide, or zinc-oxide in the case of the V175LC10A, of the varistor is positioned between the two electrodes. When a surge event occurs, the exposed metal-oxide material quickly and effectively absorbs the surge energy.

The metal-oxide material has unique electrical characteristics, with a non-linear and highly sensitive response to voltage. This voltage-sensitivity allows the V175LC10A to quickly detect even very small voltage variations and react to them by creating a low resistance path, thus allowing the majority of the surge energy to harmlessly bypass the load. This function makes the V175LC10A highly effective for circuit protection applications, as it can quickly react to voltage changes in order to protect sensitive equipment from potentially damaging energy levels.

The V175LC10A also features a wide operating temperature range - from -55°C to +125°C - and its small size makes it easy to integrate into a wide range of applications. Its high current rating also ensures the protection of delicate loads, as the V175LC10A can dissipate even high current levels while maintaining its peak clamping voltage.

In summary, the V175LC10A is a thermally and mechanically robust metal-oxide varistor designed for low-voltage, high-current power conditioning systems. Its 175V peak clamping voltage and 10A surge current rating makes it ideal for a wide range of applications, while its non-linear, voltage sensitive metal-oxide material make it highly effective at dissipating electricity spikes.

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