T049358

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Gas Discharge Tube Arresters (GDT)

A Gas Discharge Tube (GDT) Arrester, also known as a GDT or Transorber, is a type of electrical protection device designed to protect sensitive electrical and electronic circuits from the damaging effects of transient voltages. GDTs are used in a variety of applications ranging from protecting high-voltage electronic systems to preventing power surges in home electronics.A GDT Arrester works by allowing the passage of a current through an annular gap in its center, when the voltage exceeds a predetermined level. This current causes a spontaneous spark gap to become filled with high-energy electrons, which are then dissipated as they recombine across the air gap. As a result, any damaged components or equipment can be restored.In order to provide efficient protection, GDTs must be correctly sized for the application, based on the maximum short-circuit current that can be expected in the protected circuit. The size of the component determines the magnitude of the transients that can be allowed to pass through, and the spark gap must be adjusted so that any transient voltage exceeding the specified level will be diverted.The working principle of a GDT arrester is quite simple. All GDTs have two electrodes that are separated by an insulating material. When the voltage reaches or exceeds the rating of the GDT, a spark is created through the electrodes, providing the current path for the discharge. The spark dissipates the voltage through the electrodes, protecting the circuit from any surge in current. The GDT will also reset itself after the transient is dissipated.In addition to providing electrical protection, GDTs are also used to improve the signal integrity of electrical systems by providing a low-impedance path to ground for any inductive and capacitive components in the circuit. This type of protection helps reduce the size and cost of the components, while at the same time providing superior protection against electrical transients.GDTs are commonly used in electrical transmission, telecommunications, and automation, as well as in industrial, automotive, and consumer electronics. GDT arresters are also being used to protect equipment from power surges caused by lightning, as well as to provide power density control and surge protection during the operation of high voltage systems.GDTs provide superior protection to sensitive electronics, as they are designed to divert high-voltage transients away from sensitive electronics, thus preventing catastrophic failures due to power surges. GDT arresters are also designed with a low resistance, which allows current to flow quickly when needed, reducing the amount of time and effect on equipment.In conclusion, GDT arresters are a type of electrical protection device that is used to protect sensitive electronic and electrical circuitry from damaging voltage transients. GDT arresters provide a low-resistance path to ground for any inductive and capacitive components in a circuit, thus providing superior protection to sensitive electronic systems. GDTs are commonly used in many industries and applications, from protecting high-voltage electronic systems to preventing power surges in home electronics.

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