![]() ![]() There will be conduction inside the Gas Discharge Tubes ( GDT)/ Gas arrester due to ionization of gas molecules. Elemental vapors (metals and nonmetals)Īn image of a ceramic discharge tube is shown below. The most commonly used gases in Gas Discharge Tubes ( GDT)/ Gas arresters are given below.Ĥ. The electrical characteristics of this tubes depends on the pressure and composition of gas, and the distance between the two electrodes contained inside. For high grade electrical applications military tubes are used. In case of electronic applications, the container is mostly ceramic in nature. These tubes basically has two electrodes that are kept inside a gas filled closed envelope. ![]() ![]() Gas Discharge Tubes ( GDT)/ Gas arresters are special type of gas filled tubes used for wide range of electronic/electrical circuits for providing protection against lightning and other power surges. Gas Discharge Tubes ( GDT)/ Gas arresters – Introduction ![]()
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