2026-47-C2F

Series:	TRIGARD® 2026
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	470V
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) are devices that provide protection against damaging effects of transient overvoltages. They are also known as voltage surge arresters, surge arresters, transient voltage surge suppressors and lightning arresters. The 2026-47-C2F application field and working principle of these devices is a critical issue in modern power distribution systems.A GDT consists of two electrodes separated by an insulating material. The two electrodes are connected to a control voltage source which is usually a battery or capacitor. When the voltage is below a certain limit, the two electrodes remain insulated from each other. However, when a transient overvoltages occurs, the high voltage current flows through the tube and the control voltage source opposes the flow of current, resulting in heat generation. The heat produced breaks down the insulation and results in an arc discharge which releases a stream of electrons.The 2026-47-C2F application field and working principle of GDTs involves two main components. The first component is the actual GDT, which is typically composed of a cylindrical container filled with a gas that conducts electricity when exposed to an electric field. The second component is the voltage limiting protection device, such as a switchover unit, that is connected to the GDT. This device limits the voltage applied to the GDT, and therefore ultimately limits the GDT’s performance.The 2026-47-C2F application field can be classified broadly into two categories: Over-Voltage Protection and ESD (Electrostatic Discharge) Protection. Over-voltage protection typically involves the application of GDTs at sensitive points in the power distribution system to provide protection from transient overvoltages. The 2026-47-C2F application works by creating a break in the circuit that can limit the current flow when a high voltage is applied. The voltage limiting feature of the GDT prevents a short-circuit from being formed between the two electrodes inside the GDT.In the case of ESD protection, GDTs can be used to protect components from electric shock due to static electricity when personnel are handling them. The ESD protection works by channeling away the energy from the personnel to the GDT and keeping it away from the components or electronic devices they are handling. In other words, it serves as a conductor between the personnel and the components, and the GDT can absorb the shock energy.The 2026-47-C2F application is versatile, as it can be used to provide protection against both over-voltages and ESD. The working principle is that when the voltage applied to the GDT is limited, an arc is formed by the electrons present inside the GDT and the electrons are dissipated in the surrounding gas. This limits the voltage reaching the components and offers protection against transient overvoltages and static electricity.The 2026-47-C2F application offers a wide range of advantages, including a wide voltage protection range, high current capacity, fast response time, and low rate of false operations when subjected to lightnings, shock waves, and noise. The wide variety of applications for this device include power distribution, consumer products, motor control systems, communication transmission systems, and medical equipment.In conclusion, the 2026-47-C2F application field and working principle of GDT arresters is an important issue for modern power systems. GDTs are devices that provide cost-effective and reliable protection against transient overvoltages and ESD. They offer a wide range of application potential and advantages to their users.

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