2093-300-SM-RPLF Circuit Protection

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Gas Discharge Tube Arresters (GDT) are electrical surge protective devices that are placed at service entrance or at circuits vulnerable to lightning and industrial transients. These are used to divert transient energy away from the downstream landscape. 2093-300-SM-RPLF is a low-cost alternative to traditional GDTs.

A 2093-300-SM-RPLF consists of a subminiature sealed gas tube having a fast and high breakdown voltage, ahigh energy gap, and a spark gap. The gas tube is surrounded by the spark gap, which serves to contain the arc when the tube is subjected to intense energy. The spark gap helps to control the shape and intensity of the arc, and keeps it from spreading too quickly.

The 2093-300-SM-RPLF operates by combining the two primary mechanisms of protection: the fast rise time of the gas tube and the spark gap containment to control the current duration time of the arc. This creates a voltage clamping effect to limit current flow during a high-energy surge. In addition, the spark gap helps limit the high-frequency voltage oscillations that often occur during an overvoltage stress event. This helps limit the number of branches that are affected by the transient so that only areas directly affected by the surge will be affected by the associated damage.

The 2093-300-SM-RPLF application field includes communications, radar and navigation, control systems, emergency medical services, and many other system control, power transmission, and point-of-use circuits. It is also particularly suitable for AC line surge protection in a wide variety of residential, commercial, industrial and military applications due to its low cost, compact size and superior performance.

The 2093-300-SM-RPLF is composed of a metal oxide semiconductor and an electrolytic capacitor for signal isolation and voltage clamping. During a transient surge, the choke delays the rise time, and the metal oxide semiconductor quickly charges the electrolyte capacitor and creates a voltage clamp. This results in a clamping action that limits the current flow of the surge. Simultaneously, the spark gap helps to contain the arc. The spark gap helps to limit the high frequency voltage oscillations, reducing the number of branches affected.

The 2093-300-SM-RPLF provides superior performance in overvoltage protection and greater immunity to the environment than other GDTs. This is due to its faster rise time and excellent arc containment properties. The 2093-300-SM-RPLF is designed to protect equipment from high-energy surges and currents, thereby avoiding more expensive repairs. Its unique design allows for fast, reliable overvoltage protection, even in extreme environmental conditions.

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