GTCA28-471M-R20

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Gas Discharge Tube Arresters (GDT) are widely used in the protection of electronic equipment from over-voltages. In this regard, GTCA28-471M-R20 is a commonly used GDT device. This article examines the application field and working principle of GTCA28-471M-R20.

In terms of the application field, GTCA28-471M-R20 is typically used to provide surge protection and over-voltage protection on telecom lines. It can also be deployed for protecting important communication devices that are sensitive to over-voltage, such as power supply and communication circuits. Moreover, GTCA28-471M-R20 is also suitable for use in high-risk industrial applications, such as industrial control systems, data processing systems, and telecommunication systems.

Now let\'s take a look at the working principle of GTCA28-471M-R20. This GDT comprises two electrodes separated by an insulating element. When the voltage exceeds its hold voltage, a conduction path between the two electrodes occurs. When an over-voltage is encountered by the circuit, the arc discharges occur between the two electrodes, which dissipates the energy between them. The electrodes and the insulating element are designed and selected in such a way that the conduction path can recover once the overload current ceases. Thus, GTCA28-471M-R20 can effectively protect the circuit from over-voltages.

In summary, GTCA28-471M-R20 is a Gas Discharge Tube Arresters (GDT) device which is mainly used for protecting telecom lines and important communication devices from over-voltages. Its working principle is based on the formation of an arc discharge between two electrodes separated by an insulating element.

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