2026-20-C3LF

Series:	TRIGARD® 2026
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	200V
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 (Radial Bend)

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Gas Discharge Tube Arresters (GDT): 2026-20-C3LF Application Field and Working Principle

Gas discharge tube (GDT) arresters are an essential component in electrical systems that provide lightning protection and safeguard the circuits of any electronics against electrical surges and transient overvoltages. This type of arrester is specially designed to maintain its insulation under long-term system voltage and break down only when the insulation is reached. The 2026-20-C3LF model is widely used in the telecommunications, power, transportation, industrial, and residential fields, particularly for the protection of circuits against indirect and direct lightning strikes.

Working Principle

The 2026-20-C3LF model operates on a divergent principle, meaning that its internal features are designed in a specific way to provide high levels of protection and immunity against voltage surges. A divergent design typically involves three main components: a spark gap, a direct current suppresser, and an inductive transient suppresser. When there is an increase in voltage from lightning, the spark gap accelerates the electric waves and creates a spark, which is transferred into the inductor and then is dissipated or absorbed by the DC suppresser, effectively protecting the circuit.

Application Field

The 2026-20-C3LF model of GDT arrester is mostly applied in telecommunications and power distribution systems. In telecommunications, the 2026-20-C3LF model is used to protect telephone and digital signal lines from lightning-induced damage. It can also be used in coaxial cables in radio and television broadcasting and on connectors and junction boxes to maintain the stability and integrity of transmission signals. In power distribution and transmission lines, the 2026-20-C3LF model is used for lightning protection of overhead lines, ground lines, and distribution transformers.In addition to these applications, the 2026-20-C3LF model is also used in industrial and residential areas for lightning protection and safety. It can be installed on power lines in manufacturing plants and near areas with a lot of lightning activity. In residential areas, it can be used on wires, buildings, lightning rods, and other power systems to provide peace of mind to inhabitants against the dangers of lightning strikes.

Advantages and Disadvantages

The 2026-20-C3LF model of GDT arrester offers several advantages. The divergent design provides superior protection against voltage spikes and lightning-induced damage. The arrester has a low power loss and features very low impedance, coupled with the ability to suppress and prevent the transmittance of electrical transients. However, GDT arresters are not without their disadvantages. For instance, they require regular maintenance and testing to ensure that they are functioning properly and that no internal components are damaged due to lightning strikes or other electrical events. They also require a significant installation process and can be relatively expensive, especially in comparison to other types of lightning protection systems.

Conclusion

The 2026-20-C3LF model of GDT arrester is a cost-effective and reliable lightning protection solution for a variety of applications, including power distribution, telecommunications, industrial, and residential. It utilizes a divergent design to provide superior protection and immunity against voltage surges, while also featuring a low power loss and low impedance. While this type of arrester requires regular maintenance and testing, it is a reliable choice when it comes to providing lightning protection and safeguarding electronic circuits from transient overvoltages.

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