Catalogue de radios anciennes
333A
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Pays:
Etats-Unis
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| Identique à |
333A
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Successeurs
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425A_WE
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| Chauffage |
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| Description |
Cold cathode neon triode. RaBr or Kr-85 activator since 1952. 185V, 35mA. Similar to 313C, with mounting bracket and flying leads in place of base. Used as ringer isolator in telephones.
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| Bibliographie |
Tube Lore (I)
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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