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How Does A Surge Protector Work?

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Surge protector is an indispensable device for lightning protection of electronic equipment. It was often called "lightning arrester" or "overvoltage protector" in English, abbreviated as SPD. The function of surge protector is to limit the instantaneous overvoltage that penetrates into the power line and signal transmission line within the voltage range that the equipment or system can withstand, or to discharge the strong lightning current into the ground to protect the protected equipment or system from damage caused by impact. The type and structure of surge protector vary according to different uses, but it should at least contain a nonlinear voltage limiting element. The basic components used for surge protector are: discharge gap, gas-filled discharge tube, varistor, suppression diode and choke coil. Surge protector, also known as lightning arrester, is a very common electronic protection device. Surge protector not only protects large flow rate, but also has extremely low residual voltage and fast response time.

How Does A Surge Protector Work?

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