2046-14-C2FLF

Series:	2046
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	145V
Impulse Discharge Current (8/20µs):	10000A (10kA)
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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Introduction to Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube Arresters (GDT) are often found in telecommunication systems, fuse boxes, and any other device that has to protect electronic circuits against voltage surges. GDTs act as an overvoltage protection switch by rapidly providing a low impedance path to the ground when a certain voltage threshold is exceeded. When the voltage is returned to its normal operating voltage, the GDT is reset and ready to provide protection again. A GDT can be used to protect against either direct, lightning-induced transients, or static discharge, depending on the particular application.

Functionality of GDT

GDTs are able to provide overvoltage protection due to their capacity to quickly switch from a high impedance state to a low impedance state. When the voltage returns to a normal level, the GDT switches back to the high impedance state. This switch is accomplished by a thin-walled quartz tube filled with a special gas, usually Neon. This gas is typically ionized at the points where two electrodes are located. When an electrical potential is applied across the electrodes, the gas begins to ionize and form a plasma between the electrodes, completing the circuit and providing a low impedance path to the ground.

Advantages of GDT

The most important advantage of GDTs is their fast switching time. This allows them to provide protection against sudden voltage spikes, such as those caused by lightning strikes. GDTs also have excellent insulation resistance, meaning they can be used to provide reliable protection in environments with high electrical noise levels. GDTs are also relatively low cost and small in size, making them an ideal choice when space is limited.

2046-14-C2FLF application field and working principle

The 2046-14-C2FLF GDT is designed for application in industrial, residential, and utility power systems. It is capable of providing protection from overvoltage transients generated from either from lightning or static electricity. The 2046-14-C2FLF operates on a two-electrode configuration, with a gas filled tube connecting the two electrodes. When an overvoltage occurs, the gas in the tube will be ionized, forming a low impedance path between the two electrodes. This will allow the current to be safely diverted to ground, protecting the equipment connected to the GDT.

Conclusion

The 2046-14-C2FLF is an example of a Gas Discharge Tube Arrester (GDT), a device used in electronic equipment to provide protection against overvoltage transients from lightning or static electricity. The 2046-14-C2FLF operates on a two-electrode configuration and has a wide application field in industrial, residential, and utility power systems. By quickly switching from a high impedance state to a low impedance state, GDTs provide reliable overvoltage protection in a small, cost-effective package.

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