SL1021A250C

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Gas Discharge Tube Arresters (GDT) are widely used in telecommunications, especially in power plant operations, military applications, and high power DC applications. They are designed to protect delicate electronic equipment from electrical overstress by providing a reliable and durable electrical connection between the equipment and the grounding or other protection circuits. The SL1021A250C GDT is specifically designed to provide a very high current rating when used in high current applications such as in power plants.

The SL1021A250C GDT is a non-linear composite arrester, consisting of a semiconductor diode, a silica-filled waveguide and an arrester spark gap. This unique combination enables the SL1021A250C GDT to provide a precise level of protection against electromagnetic interference (EMI) and overvoltage pulses. It has also been designed to withstand a wide temperature range, from -55°C to 125°C, with a maximum power dissipation of up to 500W.

The SL1021A250C GDT has three separate protection mechanisms: spark gap, metal oxide varistor (MOV) and high voltage thyristors. The spark gap is used to absorb the high voltage component of a surge and suppress the voltage while the MOV reduces the surge’s amplitude. Finally, the thyristors protect against the remaining transient energy. The three-way protection system allows the GDT to work in different applications and meet the required standards with a high-level of protection.

The SL1021A250C GDT also has an additional protection mechanism, which consists of a semiconductor diode. This diode is designed to protect against long term overvoltage during transformer operation. It can also be used in applications where ground loops may be a concern. The diode features a high breakover voltage for added protection against sustained overvoltage.

The high voltage thyristors used in the SL1021A250C GDT are designed to provide a high level of protection against overvoltage surges. They have a wide operating temperature range and low leakage current, which helps to ensure the highest level of protection in extreme conditions. The thyristors are also designed for high dieslectric strength, which helps to protect against electromagnetic interference. The high voltage thyristors also offer short-circuit current protection and help to ensure the GDT operates safely and reliably in the application.

The SL1021A250C GDT is ideal for use in applications where high voltage protection and EMI immunity are necessary. It is designed to provide full protection against hazardous overvoltage conditions while maintaining high isolation between the input and output. The GDT also offers increased attenuation compared to other overvoltage devices, allowing it to provide reliable long-term operation with minimal maintenance costs.

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