Series:	GT
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	550V
Impulse Discharge Current (8/20µs):	2500A (2.5kA)
Tolerance:	±20%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Surface Mount
Package / Case:	2-SMD Cylinder Square End

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

GTCS25-551M-R02-2 Application Field and Working Principle

Gas Discharge Tube Arresters (GDT) are electrical devices designed for the purpose of suppressing surges caused by lightning strikes and other transient voltage sources. These devices are used mainly in the telecommunication and power transmission industries, as they are able to protect downstream equipment from potentially devastating voltage spikes. The GTCS25-551M-R02-2 is a type of GDT specifically designed for power transmission and protection applications.This particular device is composed of two internal components - an arrestor element and a spark gap. The arrestor element consists of a gas-filled tube containing a non-linear resistor, and a ceramic outer cylinder. The inner component of the arrestor is a spark gap, which is composed of two metallic electrodes separated by a gap filled with a gas mixture. When a high-tension surge or voltage passes through the spark gap, the gas mixture inside ignites and creates a series of electric arcs, thereby inhibiting the flow of voltage to the downstream components.To operate properly, the GTCS25-551M-R02-2 requires that the appropriate power source be directly connected to the metal electrodes of the spark gap. Theresistive element of the arrestor is then connected to the downstream components, providing protection against damaging overvoltage. The GTCS25-551M-R02-2 also has the ability to absorb a considerable amount of energy, enabling it to dissipate high spikes of voltage into this energy.The GTCS25-551M-R02-2 is a widely used type of GDT in the power transmission industry due to its ability to reduce the risk of damaging overloads or spikes to downstream equipment. Some of its common applications include providing protection from lightning surges, overvoltage transients, and electrical noise. It is also frequently used in high-voltage power lines, particularly in telecommunications networks.The GTCS25-551M-R02-2 is typically installed on a wall or on the external surface of a power line, and the setup process is relatively quick and easy. The device is typically well-shielded to protect it from environmental hazards, and has a heating indicator to let the user know if the device is getting too hot. Additionally, the GTCS25-551M-R02-2 has withstanding capabilities of up to 500V, allowing it to adequately protect connected equipment from spikes of overvoltage.The GTCS25-551M-R02-2 is a reliable and versatile device for power transmission and protection applications. Its internal components are designed to withstand high voltages and the strong sparks produced by the spark gap, while providing protection to downstream components from potentially damaging electrical overloads. This makes the GTCS25-551M-R02-2 an ideal choice for many power transmission and protection applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description