SL1411A470A

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Gas Discharge Tube Arresters (GDT) are used in modern power systems to protect sensitive electronic equipment from high-voltage transients. They work by dissipating the energy of high-frequency transients, preventing them from entering the protected equipment. The SL1411A470A GDT is a popular device used in many applications, such as telecommunications, military and medical electronics.

The SL1411A470A is an AC type GDT designed for line-to-ground applications. It has a temperature range of –55°C to +125°C, and an operating voltage of 400 to 400 VAC. The device features a maximum continuous current of 10 A and peak component rating of 20 A. The internal structure consists of a feeder pin, two high voltage terminal pins, one return pin, and one cathode lead. The feeder pin is connected to the power system while the other pins connect to a ground terminal and the protected device.

The SL1411A470A works through a process known as Spark Gap. When a high voltage transient is present at the feeder pin, the spark gap ionizes the air between the two high voltage terminals, creating a conducting path for the current to flow. The current passes through the device and is diverted to ground, which prevents the transient voltage from reaching the protected device. The energy from the spark gap is dissipated by the device, thus reducing the level of the transient voltage.

In addition to its Spark Gap functionality, the SL1411A470A also acts as a capacitor which helps to reduce harmonics in the power system. This is because the device develops a capacitive reactance frequency to the power frequency, which limits the power system current and does not affect the power factor. The device also helps to improve the power factor of the system by providing a path for current flow in the reverse direction.

The SL1411A470A has a wide range of applications in many areas of modern life. It is used in telecommunication networks to protect sensitive network equipment from transient overvoltage. It is also used in the military and medical industries to protect sensitive electronics from electrical surges. Additionally, the device is used in industrial and residential power systems to protect against power surges.

Overall, the SL1411A470A is a reliable and efficient GDT designed for line-to-ground applications. The device provides reliable protection against transient overvoltages and thermo-electrical transients, thus ensuring the safety of sensitive electronic equipment. The device also helps to reduce harmonics and improve the power factor of the system, thus making it an attractive choice for many industrial and residential applications.

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