Antique radios, Old Time Radios
313CD
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| Tube type: |
Thyratron Cold-cathode |
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| Identical to |
313CD
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| Similar
Tubes |
Other shape (e.g. bulb type):
313CA
Other characteristic (electr. data):
313C
; 313CB
; 313CC
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Filament |
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| Description |
Cold cathode neon triode. RaBr or Kr-85 activator since 1952. 185V, 35mA.
Variants: 313CA, 200V, 25mA; 313CB, 170V, 25mA; 313CC, 150V, 25mA; 313CD, same as 313CA with viewing window in the lacquer coat.
WE, and NEC on later variants, known manufacturers.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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Just Qvigstad
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