Series:	GT
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	90V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	±20%
Number of Poles:	3
Fail Short:	Yes
Mounting Type:	Through Hole
Package / Case:	Radial Cylinder, 3 Lead

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Introduction

Gas Discharge Tube Arresters (GDT) play an important role in protecting electrical equipment from the direct and indirect effects of lightning. They are devices that contain a special gas, typically in the form of a tube, that is designed to be triggered by an electrical discharge from the environment. In these cases, the gas is designed to dissipate the energy of an electrical discharge by creating a resistance to its passage.Gas Discharge Tube Arresters (GDT) are used in a wide variety of applications, including industrial automation, marine, lightning suppression and power systems. They can be used in the protection of electrical systems and structures from direct lightning strikes, as well as from surge and transients (which are variations in voltage level which can cause equipment damage).GDTs are generally categorized into two types: Linear and Nonlinear. Linear types are designed to provide protection against high-voltage transients and voltage surges. Examples of Linear GDTs include the GTCR36-900M-P05-FS. Nonlinear GDTs, on the other hand, are tailored to provide protection against lightning strikes.

GTCR36-900M-P05-FS Application Field and Working Principle

GTCR36-900M-P05-FS is a type of linear Gas Discharge Tube Arresters (GDT). It has been designed to provide overvoltage protection for low and medium voltage systems. It is a two-stage arrester, with a single-phase terminal version and a three-phase terminal version.The first stage of the GTCR36-900M-P05-FS is designed to limit the peak voltage of the surge. It will absorb the transient energy up to a specific predefined value. The second stage is then designed to limit the discharge voltage at very low value.This type of arrester works on the principle of creating a highly conductive path between anode and cathode when a voltage surge is present. The highly conductive path will absorb the surge and disperse it through the resistance of the gas within the tube. This process will reduce the surge to an acceptable level and protect the system from damage.The GTCR36-900M-P05-FS is suitable for use in a variety of low and medium voltage applications. It can provide protection for systems against most power-distribution and lightning-induced overvoltages. It is also suitable for uses in high-frequency applications, such as telecommunications, switching, and electronic applications.

Conclusion

Gas Discharge Tube Arresters (GDTs) are a vital component in electrical systems, providing protection from direct and indirect effects of lightning. The GTCR36-900M-P05-FS is a type of linear Gas Discharge Tube Arresters (GDT). It is suitable for use in both low and medium voltage applications, providing protection from a variety of power-distribution and lightning-induced overvoltages. The arrester works by creating a highly conductive path between anode and cathode when a voltage surge is present, thus dissipating the surge energy by resistance.

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