GTCA38-351M-R20-FS

Series:	GT
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	350V
Impulse Discharge Current (8/20µs):	20000A (20kA)
Tolerance:	±20%
Number of Poles:	3
Fail Short:	Yes
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, 3 Lead (Radial Bend)

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Gas Discharge Tube Arresters (GDT)A gas discharge tube arrester (GDT) is an electrical device which is designed to protect electrical equipment from over-voltage damage caused by lightning or other transient voltages. The GDT is a specialized form of a spark gap, and is most commonly used in high-voltage surge protection systems in power grids, communication networks, and electrical systems of various types.The GDT consists of a sealed glass envelope, filled with an ionizable gas, such as air, helium, nitrogen, neon, or a mixture of gases. Two metal electrodes are positioned inside the envelope, separated by an insulating material. When the arrester is operating, an electric current passes between the two electrodes, causing a spark to jump the gap and ionize the gas, creating a conduction channel between the electrodes. This path of conduction allows current to flow freely between the electrodes, thereby diverting excess energy away from the protected device.The GDT works by providing an alternative path for the current to travel, thus preventing the critical electrical components from being damaged. It is designed to rapidly react to voltage spikes, opening the gap between the two electrodes and providing a low-resistance path for the current to flow. When the voltage drops back to normal, the ionizable gas will recombine, restoring the insulation between the electrodes and restoring the protection of the device. One type of GDT which is in common use is the GTCA38-351M-R20-FS, which offers high performance and reliability. This device is made from a sealed glass envelope with a silver-plated copper inner electrode, a tungsten-plated copper outer electrode, and a polyethylene insulation between the two electrodes. The GTCA38-351M-R20-FS is designed to protect electrical equipment from surges up to a maximum of 200kA peak current.The GTCA38-351M-R20-FS is typically used in industrial applications, such as process control, power distribution, and transmission cables. It also provides short-circuit protection for systems such as data networks and SCADA systems. The GTCA38-351M-R20-FS is designed to provide reliable protection against surges and spikes, protecting equipment from electrical damage.The GTCA38-351M-R20-FS is designed for use in areas where overhead lightning is a common occurrence. It can also be used in areas subject to other transient voltages caused by switching surges, surges from power utilities, or other sources. The GTCA38-351M-R20-FS can be used to protect power sources, enclosures, or individual components.In conclusion, the GTCA38-351M-R20-FS gas discharge tube arrester is an excellent protection device for industrial applications in areas subject to electrical surges. It is designed to rapidly react to voltage spikes, providing a low-resistance path for the current to flow and protecting the critical components from damage. The GTCA38-351M-R20-FS is designed for maximum performance and reliability, providing reliable protection for wide variety of applications.

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