Allicdata Part #: | 2026-07-C2LF-ND |
Manufacturer Part#: |
2026-07-C2LF |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Bourns Inc. |
Short Description: | GDT 75V 20% 20KA THROUGH HOLE |
More Detail: | Gas Discharge Tube 75V 20000A (20kA) ±20% 3 Pole T... |
DataSheet: | 2026-07-C2LF Datasheet/PDF |
Quantity: | 3043 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | TRIGARD® 2026 |
Packaging: | Tube |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Voltage - DC Spark Over (Nom): | 75V |
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 tubes (GDT), also known as spark gaps, are a form of electrical protection device that operate mainly by providing a low impedance connection between the dangerous high voltage transmission lines and the grounds. They are generally made up of two or more electrodes surrounded by a dielectric (insulation) material that fills the gap between the electrodes. When a high voltage surge reaches the electrodes, electrons flow between them, creating a spark that dissipates the energy of the surge. The decrease in the potential difference of the two conductors following the discharge, disables the arrester from further operation until the voltage returns to a safe level.
Gas Discharge Tube (GDT) Arresters are most commonly used in the protection of telecommunications equipment, power factor correction capacitors, and high voltage equipment such as transformers, switchgear, and circuit breakers. These devices are also used in the construction of surge and lightning protection devices. GDTs are known to provide a high-speed protection, or “fast” protection, against surges, usually within one microsecond or less.
GDT arresters provide protection against lightning, electric arcs, welding arcs, inductive switching, and short circuits, offering the necessary insulation barrier between the transmission lines and the ground. GDTs are particularly beneficial in areas where lightning storms or high voltage surges are common. In these circumstances, GDT arresters provide an extremely reliable and durable method of protection when protecting against electrical surges or other forms of hazardous impulses.
GDTs are an often preferred form of arrester over transient voltage surge suppressors (TVSS) due to their small size, low cost, and ease of installation. GDTs also have negligible current flow under normal conditions and are capable of suppressing extremely high energy levels as compared to other types of arresters. Furthermore, GDTs are only slightly affected by temperature, giving them a longer lifespan than other types of arresters.
The working principle behind GDT arresters is based on the physics of a spark gap, where two electrodes are separated by an insulation material and connected to a circuit. When a high voltage surge enters the electrodes, it creates a spark between them, dissipating the energy of the surge. The arrester is then disabled until the voltage returns to a safe level, and then becomes operational again. This process helps protect the equipment by limiting the voltage that it is exposed to.
GDTs are widely utilized in a variety of applications, such as power factor correction capacitors, telecommunications equipment, and high voltage equipment such as transformers, switchgear, and circuit breakers. They also form the basis of surge and lightning protection systems, where their high-speed protection capabilities ensure reliable protection against dangerous electrical surges. In addition, GDT arresters have a significant advantage over other types of surge protection devices due to their small size, low cost, and easy installation.
The specific data is subject to PDF, and the above content is for reference
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