GTCA28-242M-R03

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Gas Discharge Tube Arresters (GDTs) are an important category of electrical components. They are used to protect electronic devices against voltage surges that can be caused by lightning or other power disturbances. The GTCA28-242M-R03 is a type of GDT designed to protect communications systems from electrical overvoltage damage in outdoor communication applications.

Introduction

GTCA28-242M-R03 is a Gas Discharge Tube Arrester (GDT) which protects outdoor communications systems, such as radios, microwaves, and cellular networks, from electrical overvoltage damage due to lightning or power disturbances. These GDTs have a very narrow response time and fast response to transients. They are housed in a rugged aluminum alloy enclosure for extra protection against harsh outdoor environmental conditions.

Application Field of GTCA28-242M-R03

GTCA28-242M-R03 is mainly used in outdoor communication systems, such as radios, microwaves, and cellular networks. They are designed to provide protection from overvoltages associated with lightning or power disruptions, and are suitable for both AC and DC services. This GDT can also be used in general-purpose AC and DC services, such as telecom equipment protection, signal line protection, and electric power system protection. It is designed for high-power handling capacity, allowing it to protect systems up to 25 kV.

Working Principle

When an overvoltage event occurs, the GTCA28-242M-R03 begins to conduct current by allowing the gas inside the arrester to ionize. This process acts as a “valve” and dissipates the surge energy safely into the ground. The gas inside the arrester will gradually deionize as the voltage decreases, which will then cut off the current flow. GDTs have a very fast response time, usually in the range of 1-20 nanoseconds, which makes them a great choice for protecting against high-frequency transients.

Advantages of GTCA28-242M-R03

The GTCA28-242M-R03 has many advantages, including a rugged aluminum alloy enclosure designed to withstand harsh environmental conditions, wide operational temperature range from -40 to +85°C, fast response time (1-20 ns) to transients, and the ability to protect systems up to 25 kV.

Conclusion

The GTCA28-242M-R03 is a Gas Discharge Tube Arrester (GDT) designed to protect outdoor communication systems from overvoltage damage due to lightning or power disturbances. Its rugged aluminum alloy enclosure, wide operational temperature range, fast response time, and high power handling capacity make it a great choice for protecting systems from damage. This GDT has become a popular choice for outdoor communication systems due to its reliable protection and affordability.

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