2026-40-CLF

Series:	TRIGARD® 2026
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	400V
Impulse Discharge Current (8/20µs):	20000A (20kA)
Tolerance:	±20%
Number of Poles:	3
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, 3 Lead (T-Shape)

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

Gas Discharge Tube Arresters (GDT)

Gas discharge tube arresters (GDTs) are electrical devices that are used for protecting electronic circuit boards from electrical surges, also known as transient voltage. They are one of the most common type of arresters and are typically used in telecommunications, power distribution, and other industries where high-voltage protection is needed.GDTs are composed of a ceramic tube, typically cylindrical in shape, and a high-voltage grid. They use a gas discharge mechanism to allow the adverse electricity to flow into the grid and down the tube, while still protecting the circuit board from electrical harm.The working principle of a GDT is simple yet effective. When a large voltage spike is received, the high-voltage grid begins to break down. This allows the energy to flow into the ceramic tube, which is of a suitable form as to absorb the energy surge without harming the balance of the electric circuit. The ring electrodes in the tube form the electric insulation to keep the current within the tube. As the gas is exposed to electric field it begins to breakdown and forms a plasma. A spark forms within the tube and is sent down the path of the least resistance. This spark dissipates much of the potential energy from the voltage surge, and the remaining energy is used to heat the gas within the tube. The heat from the gas discharge is absorbed by the ceramic tube, and, because the ceramic material has a low thermal conductivity, it prevents the heat energy from harming the electronic components. This makes GDTs extremely effective at protecting circuits from transient voltage.The application field of the GDT is critical in places where surge protection is a need. For example, electrical engineers utilize the GDT in many applications including circuit breaker applications and distribution systems. GDTs are used in power distribution and are critical in protecting power supply systems from sudden voltage spikes, such as those that are caused by lightning strikes. They are also used in industrial automation systems, as well as in telecommunication systems. In addition to this, GDTs are used in streaming applications and in Solar photovoltaic systems. GDTs are essential for providing protection from transient voltage, and are widely used throughout many industries.In conclusion, GDTs are used for protecting electronic circuit boards from transient voltage. They can be used in a wide range of applications, including power distribution, telecommunication systems, and industrial automation systems. GDTs use a gas discharge mechanism to allow the surge current to flow into the grid and through the ceramic tube, while still maintaining the electric components of the circuit board. The ceramic material is able to absorb the energy from the surge without harming the components, making GDTs one of the most effective forms of surge protection.

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

Part Number	Manufacturer	Price	Quantity	Description