Tube-number record
NU-5729
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BrandNational Union
ClassRadial Beam Tube
BaseFlexible / flying leads
Filament6.3 V @ 450 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-19
Sections30
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage500 V
Grid 2 Voltage300 V
Audio Performance
Key Features
- Electrostatically focused
- 30-channel switching
- Commutation tube
- Collector type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Channel | 375 V | 20 | 3000000 | 62 | 0.09 mA |
Application Notes
Intended for high speed electronic switching or commutation in multiplexing or telemetering applications. Capable of handling 30 different channels.
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