SL0902A350SM Circuit Protection

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Gas Discharge Tube (GDT) is an essential component in electrical wiring systems. Generally speaking, GDTs provide a reliable spark gap in order to protect sensitive electronics and circuits from damage caused by short-term over-voltage. The SL0902A350SM GDT Arrestor, in particular, is one of the most common GDTs used in residential, industrial, and commercial applications.

In general, GDTs operate in a similar fashion: A potential difference is applied across two electrodes in the device, which causes an electrical current to flow and ionizes the gas between the electrodes. This creates an avalanche breakdown, which results in a high voltage arc discharge, diverting any electrical overload away from the protected circuit.

The SL0902A350SM GDT Arrestor, specifically, is a high-voltage arrester with overpressure protection, which is designed to protect telecommunications and CATV applications. It is manufactured with a single GDT tube and a spark gaps as the primary discharge element. The device operates against impulse voltages up to 350kV, making it ideal for applications that require high-speed, high-voltage transients.

The primary function of the SL0902A350SM GDT Arrestor is to redirect or dissipate excess voltage away from circuit components. It has two main working mechanisms which operate together to ensure protection. The first part is the threshold voltage switching, which protects the GDT mechanism from damage due to overvoltage. If an excessive voltage is applied to the GDT, the spark gaps will start to conduct, diverting the voltage away. The second part is the over-current protection, which guards against short-term over-current that can lead to damage of the GDT.

The applications of the SL0902A350SM GDT Arrestor are vast, as it offers reliable protection for CATV, SCADA, LAN and other communications systems. The device is suitable for both indoor and outdoor usage with a wide operating temperature range. This makes the device an excellent choice for applications in harsh environments or in places with limited space.

All in all, the SL0902A350SM GDT Arrestor is a versatile, reliable device with a wide range of applications. It is perfect for operations that need to protect sensitive consumer electronics and communications equipment from short-term over-voltage and over-current.

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