Allicdata Part #: | 2029-09-SMLF-ND |
Manufacturer Part#: |
2029-09-SMLF |
Price: | $ 0.51 |
Product Category: | Circuit Protection |
Manufacturer: | Bourns Inc. |
Short Description: | GAS DISCHARGE TUBE |
More Detail: | Gas Discharge Tube 90V 20000A (20kA) ±20% 1 Pole S... |
DataSheet: | 2029-09-SMLF Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1000 +: | $ 0.46683 |
Series: | 2029 |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Voltage - DC Spark Over (Nom): | 90V |
Impulse Discharge Current (8/20µs): | 20000A (20kA) |
Tolerance: | ±20% |
Number of Poles: | 1 |
Fail Short: | No |
Mounting Type: | Surface Mount |
Package / Case: | 2-SMD Cylinder Square End |
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Gas Discharge Tube Arresters or GDT are devices used to limit the effects of overvoltage on electrical apparatus. They are an effective way to protect people, equipment, and property from damage caused by surges. GDTs are commonly used for equipment connected to power grids, such as substations, telecommunication networks, and power systems.
GDTs typically consist of two electrodes which are separated by a dielectric material. The dielectric material used is usually a ceramic, glass, polymer, or metal oxide which is designed to be resistant to electrical breakdown. When a voltage surge is applied to one of the electrodes, gases in the dielectric material are ionized, forming a conductive path between the two electrodes. This prevents the transmission of the surge into the equipment and reduces the effects of overvoltage.
In the GDT arrester, the electrodes are separated by a dielectric material which is designed to be resistant to electrical breakdown. The electrodes, usually separated by a few millimeters, are connected to different electrical potentials. One of the electrodes is connected to the positive power supply (or ground) and the other to the negative power supply. The electrodes are also connected to a metal oxide resistor (MOR) which acts as the medium for controlling the output of the arrester. The MOR serves to limit the current flowing through the GDT and prevents it from reaching damaging levels.
When an overvoltage surge is applied to the electrode connected to the positive power supply, it is compensated by the differences in potential across the electrodes. The voltage drop across the MOR and the dielectric material is such that it reduces the magnitude of the surge. The reduced surge is then conducted through the MOR to the other electrode and the surge is neutralized.
GDT arresters can be used in a variety of applications such as power distribution systems, telecommunication networks, surge protection systems, and lightning protection systems. For instance, in power distribution systems, GDT arresters are used to protect distribution transformers and other electrical equipment from overvoltages due to lightning strikes, power outages, and other external events. In telecommunication networks, GDT arresters are used to protect telecommunications equipment from overvoltages caused by electromagnetic radiation and other external events. And in surge protection systems, GDT arresters are used to protect electronic equipment from overvoltages due to short-circuits and other internal failures.
GDT arresters are designed to be robust, reliable, and capable of withstanding extreme voltages. They are also capable of self-cleaning due to the generation of a residual electric field across the dielectric material which vaporizes contaminants before they can become a source of failure. This ensures that the arresting elements remain in top condition. Ultimately, GDT arresters are an effective way to protect critical assets from potential damage due to overvoltage.
The specific data is subject to PDF, and the above content is for reference
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GAS DISCHARGE TUBEGas Discharge Tube ...
GAS DISCHARGE TUBEGas Discharge Tube ...
GAS DISCHARGE TUBEGas Discharge Tube ...
GAS DISCHARGE TUBEGas Discharge Tube ...
GAS DISCHARGE TUBEGas Discharge Tube ...
GAS DISCHARGE TUBEGas Discharge Tube ...