Tube-number record
5803
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BrandVictoreen Instrument Co.
ClassElectrometer Triode
BaseSubminiature
Construction
Primary TypeTriode
EnvelopeSubminiature
SectionsSingle
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Cathode Current0.5 mA
Audio Performance
Key Features
- Low microphonic design
- Subminiature construction
- Low grid current
- High transconductance for electrometer
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Electrometer Service | 7.5 V | 100 | — | 2 | 0.09 mA |
Application Notes
Designed to replace the VX-32B for radiation measuring instrumentation. Lower plate voltage operation results in smaller grid currents.
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