2020-42T-C4LF

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Gas Discharge Tube (GDT) Arresters are a variety of specialized electronic components used to protect electrical systems from high voltage transients. GDTs, or sometimes referred to as sparkplug arresters, have two functions – to absorb and dissipate transient energy through a sparkgap, and to perform the role of a short circuit device. The protection of electrical systems is enhanced by having both of these functions in a single unit.

GDT arresters are designed to stand between the power system ground and the power distribution lines. In the event of a transient, generated inverter faults or lightning induced voltage spikes, the GDT will protect against damage and destruction by providing a low impedance connection between the power system and the ground. This connection limits the voltages across the system so that potential damage is avoided.

The GDT is constructed from indirect gas discharge tubes (IGDTs). These tubes are filled with an inert gas between two electrodes. When a voltage difference is established across these electrodes the gas ionizes, forming a conducting bridge between the electrodes, which allows current to pass through. When the voltage transient reaches a critical value, the sparkgap fires, creating a very low resistance arc, and allowing current to travel to the ground. The IGDT tubes are engineered to achieve the most reliable and efficient operation.

GDTs also have the ability to Classify Fast Transients, meaning the gas inside the tube can create guidance transients, or sparks which have a unique frequency and energy profile. This ensures that the discharge suppressor stays effective, and current distortion to a minimum, even when arcing. In addition, GDTs are designed to characterize the transient before it will discharge to minimize the number of false discharges which could occur.

GDTs are becoming increasingly popular in a variety of applications, ranging from automotive to military. The 2020-42T-C4LF GDT is an example of an advanced type of GDT arresters, designed for high voltage applications that need to meet strict requirements. This product is extremely versatile, with a 3-stage design that can be optimized for specialty applications. This GDT has an impressive maximum operating voltage of 32 kilovolts (KV) with a Continuous Operating Voltage (COV) of 28KV. It also has a low capacitance per stage of just 0.9 pF and a low series inductance of 1.89 ohms per stage, allowing it to perform reliably at high frequencies.

Another feature of 2020-42T-C4LF GDTs is their high surge current capability. This model is able to handle higher peak load currents than other similar products, maintaining steady voltage output and helping prevent electrical fires or power spikes from occurring. Its construction also features an improved sparkgap shutter design, which resists and dissipates high energy transients with greater efficiency, and an in-built gas device suitable for high discharge rates. In addition, the 2020-42T-C4LF is also RoHS/ELV compliant, meaning it can be safely recycled without damaging the environment.

In summary, 2020-42T-C4LF Gas Discharge Tube Arresters serve as a powerful protection to a variety of electrical systems. This product offers unique features in terms of gas device construction, sparkgap efficiency, peak current resistance, and environmental compliance. It provides advanced protection for electrical systems, maintaining a low impedance path and limiting voltages across the system when a transient is detected.

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