SL1021B450R

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Gas Discharge Tube Arresters (GDT) are devices that provide protection from transient voltage surges. They use the principle of a gas discharge tube to provide a fast response time, allowing it to respond almost instantaneously and divert the surge current away from vulnerable equipment. The SL1021B450R is a type of GDT specifically designed to protect communications and LAN systems.

The SL1021B450R is a 6-pin GDT with an epoxy-nitrogen gas mixture that makes it suitable for high voltage (HV) applications. It has a voltage rating of 450 V and a rated voltage of 725 V, and it can operate at temperatures ranging from -40°C to +125°C. The GDT features an electrically isolated zinc oxide varistor that provides a fast response time and a high surge current capability. It also has a built-in Thermoswitch protection mechanism for safety.

The SL1021B450R is most commonly used to protect communication and LAN systems from electrostatic discharges (ESD) and transient overvoltages that can occur due to lightning strikes and power-line switching. The GDT is designed to be connected to the communication and LAN systems and divert any surge current away, preventing it from damaging or degrading the system.

The working principle of the SL1021B450R is based on the gas discharge tube principle. The GDT has two electrodes inside a sealed quartz or glass envelope that is filled with an inert gas. When a transient overvoltage occurs, the inert gas is ionized and a current flows between the electrodes, forming a low-resistance path and providing protection.

The SL1021B450R also has an electrically isolated zinc oxide varistor that provides surge current protection. When a surge occurs, the varistor’s anode-cathode voltage tries to decrease the current, resulting in an increase in the varistor’s resistance. This limits the surge current and protects the system.

In addition, the SL1021B450R is equipped with a built-in Thermoswitch protection mechanism. This ensures that the current is diverted away from the system in the event of a catastrophic overvoltage and helps protect the system from potential damage.

The SL1021B450R is an ideal solution for protecting communication and LAN systems from high voltage transient surges. Its fast response time, high surge current capability, and built-in Thermoswitch protection mechanism make it an ideal choice for protecting these systems.

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