SL1021B450RG

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Gas Discharge Tube (GDT) arresters are devices used in applications such as power line protection, telephone line protection and surge protection. They are also known as surge protectors, lightning arresters or transient voltage surge suppressors (TVSS). GDTs are designed to protect electrical equipment and components from high voltage transient surges.

A GDT consists of two electrodes, which are separated by a dielectric, and an ionizable gas within the dielectric, which is usually air or nitrogen. At normal operating conditions, the most of the Ionizable gas remains in a non-ionized state and does not allow current to pass through them. However, when a transient surge voltage is applied, the gas is ionized and creates a conducting current path. The current is then diverted from the protected system and harmlessly discharged.

SL1021B450RG is a type of GDT that has a specific application field. It is designed for protecting AC power lines, AC signal circuits, telephone lines and various other electronic equipment from abnormally high voltage surges. This GDT has an excellent capacity to clamp voltage transients reliably. It ensures reliable operation with a clearance voltage of 45V and 100V(N-pe), a response time of 0.1μs, and a maximum leakage current of 0.1μA at 1.5KV. It has a surge current of 40kA (8/20μs) and a capability to withstand up to 10,000 surge events.

The working principle of the SL1021B450RG is based on the same physics as all other GDTs. When a surge voltage is applied, the gas inside the GDT becomes ionized and creates a conducting path. This conducting path then facilitates a smooth discharge of the transient voltage surge to the ground, thus protecting the protected line from damage. During normal operation, the gas inside the GDT remains in its non-ionized state and does not allow any current to pass.

The SL1021B450RG also has internal current limiting that helps protect against secondary damage from current surges. It is designed with proper lead spacing as specified by international standards and has a high discharge capacity for optimal performance. The GDT is also provided with permanent short-circuit protection to protect the protected circuits from the secondary arcing effects.

In short, the SL1021B450RG is a GDT designed for protecting AC power lines, AC signal circuits, telephone lines and other electronic equipment from abnormally high voltage surges. It is designed to be reliable and offers high discharge capacity and internal current limiting to protect against secondary damage. This GDT plays an important role in protecting the equipment and components from transient surges.

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