Tube-number record
5U3C
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BrandRussia
ClassFull-Wave Rectifier
BaseOctal
Filament5 V @ 3 mA
Construction
Primary TypeOther / special
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialPlastic
Sections2
Filament / Heater
MaterialDirectly heated
Heater NotesDirectly heated cathode
Absolute Maximum Ratings
Audio Performance
Key Features
- Two-anode kenotron
- Glass enveloped
- Directly heated
- Vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier Service | 250 V | — | 2000 | — | 230 mA |
Application Notes
Intended to rectify alternating voltage in general-purpose radio equipment. Not recommended for operation when two or more maximum ratings are reached.
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