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Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube Arresters (GDT) are devices with high surge protection capabilities. They are used in applications such as power supplies, communication networks, and other electronic transmissions. GDT are made up of a variety of components depending on the application, including a spark gap, resistors, capacitors, diodes, inductors, and a spark gap electrode. Each component has a specific purpose in the overall design and operation of the GDT.

PMT3(310)25004 application field and working principle

The PMT3(310)25004 is a type of GDT designed for protection against transient overvoltage, which can occur due to lightning strikes or other induced electric surges. The PMT3(310)25004 employs a combination of a spark gap, resistors, and a spark gap electrode. The spark gap is designed to absorb or dissipate the high voltage energy of a surge, whilst the resistors direct or ‘bleed’ the energy away from the device, reducing the risk of catastrophic failure of sensitive components. The spark gap electrode increases the surface area for the current to pass, providing a larger path for the charge to flow and reducing the risk of arcing.

The PMT3(310)25004 is well-suited to high-power applications, such as large industrial equipment or areas with high levels of electrical interference. The GDT is rated for a maximum clamping voltage of 5.6 kV and can withstand surges of up to 12 kV. In addition, the PMT3(310)25004 also offers protection against induced transients that can originate from other equipment such as unshielded mains power supplies and microwave ovens.

The PMT3(310)25004 is able to provide effective protection against overvoltage surges in a variety of scenarios due to its robust design and high-performance components. The spark gap is designed with multiple electrodes to prevent arcing and enable it to handle more current in the event of a surge. The resistors are designed to resist high voltages and direct the current away from the device, whilst the spark gap electrode increases the surface area for the current to pass.

The PMT3(310)25004 has been designed to be highly reliable and provide effective protection. The GDT has been tested to meet the relevant IEC 62368-1 standards for surge protection and its components have been designed to remain operational after multiple exposures to high voltage transients. The PMT3(310)25004 is a versatile and reliable surge protection device that is well-suited to high-power applications.

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