Antique radios, Old Time Radios
5B21
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| Tube type: |
Half-Wave Rectifier, inert gas filled Power-supply |
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| Identical to |
5B21
= 217283
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| First Source
(s) |
20.Sep.1945 : Electron Tube Registration List rec. 436
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| Base |
Edison giant, E40 = 40 mm-Goliat
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 25 Ampere / Direct |
| Description |
Argon-filled rectifier, mainly intended for use in battery chargers. 225V PIV, 60V DC, 15A average.
'Tungar' stays for TUNgsten, referred to the filament, and ARgon, the filling gas.
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| Information source |
- - Manufacturers Literature
Tube Lore (I)
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Just Qvigstad
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5B21: Manufacturer's Literature
Emilio Ciardiello
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