ERZ-V07D361 Circuit Protection

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Transient Voltage Suppressors, most commonly known as TVS, have been widely used for many years to protect electrical and electronic equipment from overvoltage damage. By providing a controlled amount of protection, they prevent damage from high voltage spikes that can occur during normal operation and during surges caused by lighting and electrical storms. TVS can also protect against the effects of Electrostatic Discharge, a potential problem in the operation of semiconductor components. TVS are typically divided into two main categories: Varistors and Metal Oxide Varistors (MOVs). The ERZ-V07D361 is a suitable example of a TVS varistor.

Varistors are voltage-dependent resistors, commonly known as Varistor Diodes, which have variable resistances that are dependent on the applied voltage. Varistors are made from a wide range of materials, including Metal Oxide and Silicon Carbide. Varistor diodes also typically include a ceramic element with electrodes, often referred to as the “junction”. When a voltage is applied across the terminals of the varistor diode, the molecules of the ceramic element will shift, creating a higher resistance to the applied voltage. The applied voltage may be AC or DC, but the varistor diode will always resist any overvoltage. Varistors also have a low impedance level, which will help to limit the voltage rise time to short pulses.

The ERZ-V07D361 is a Varistor made from non-linear metal oxide which features a 7mm (0.28inch)disc shape and a rated protection voltage of 11VAC (20V peak). It has a voltage coefficient of 3.4V per decade and is a multi-layer varistor with low leakage current. The ERZ-V07D361 has an energy absorption capacity of 1.5J and a dissipation power of 0.2W.

The working principle of the ERZ-V07D361 is based on its variable resistance which helps to protect against overvoltage. When an overvoltage is applied to the terminals of the varistor, the molecules of the ceramic element will shift, creating a lower resistance and limiting the voltage level. The lower resistance helps to protect sensitive components and spreads the voltage over a larger area. As the dissipation power rating of the ERZ-V07D361 is low, the voltage may be safely limited with a minimal amount of energy wasted.

The ERZ-V07D361 is suitable for use in a wide range of applications, including consumer electronics, automotive electronics, and industrial electronics. It can be used for overvoltage protection of lines, input/output ports, and power supplies, as well as for suppression of ESD, EMI, and noise. It is also suitable for use in a variety of digital and analog circuits, providing effective overvoltage protection for sensitive components.

The ERZ-V07D361 is an ideal solution for many overvoltage protection applications. Its low leakage current, steady resistance, and wide voltage range make it suitable for use in a variety of circuits, protecting sensitive components from overvoltage damage caused by electrical storms, lighting, and other sudden voltage spikes.

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