Tube-number record
ASG 5212
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BrandAEG
ClassCold Cathode Triode
BaseNoval (B9A)
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage400 V
Grid 1 Voltage131 V
Cathode Current25 mA
Audio Performance
Key Features
- Inert gas-filled
- Molybdenum-cathode
- Cold cathode
- Inner bulb layer for shielding
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 180 V | — | — | — | 25 mA |
Application Notes
Inner bulb layer (ik) is used for shielding against stray fields and must be connected to the cathode via a 2000000 Ohm resistor.
Datasheets
Datasheet: ASG5212.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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