Antique radios, Old Time Radios
642_Sylvania
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Country:
United States of America (USA)
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| Identical to |
642_Sylvania
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| Filament |
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| Description |
Three electrodes protector tube designed for limiting line voltage overloads. Intended for AC lines up to 230V rms, the brakdown voltage is from 300 to 500VAC rms. Two or more tubes can be connected in parallel for high current lines.
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| Information source |
- - Manufacturers Literature
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642_Sylvania: Manufacturer's Literature
Emilio Ciardiello
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642_Sylvania: Manufacturer's Literature
Emilio Ciardiello
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642_Sylvania: Manufacturer's Literature
Emilio Ciardiello
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