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Covered in the IEEE C62.42 guide series are surge protective components (SPCs) used in power and telecom surge protective devices (SPDs) and equipment ports. Covered in this standard on gas discharge tube (GDT) technology SPCs are the following: component construction, characteristics, ratings, and application examples. The application examples are given in two informative annexes covering: basic circuits and protection circuits specific to communications, local area networks, high frequency feeds, and industrial services.
Gas tubes --- Electron tubes --- Standards. --- Gas tubes.
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This standard applies to gas-tube surge-protective devices for application on systems with voltages, 1000 V rms or 1200 V dc.
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Many definitions in this standard are applicable to devices other than electron tubes especially semiconductor devices. These definitions have been made as general as possible, but it should always be remembered, in interpreting these definitions that they are primarily written for electron tubes. IEEE Std 161-1971, consists of IEEE Std 160-1957 as revised in part by the clarified definitions of "noise factor" and "noise temperature" in IEEE Std 161-1962.
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