Tube-number record
8228
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BrandAmperex
ClassVoltage Reference Tube
BaseSubminiature
Construction
Primary TypeOther / special
EnvelopeGlass Subminiature
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Cathode Current4 mA
Audio Performance
Key Features
- Subminiature cold-cathode
- Low temperature coefficient
- Rugged construction
- High reliability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Preferred Operating Point | 81 V | — | 200 | — | 3 mA |
Application Notes
For use in stable regulated power supplies, dc amplifiers, oscilloscope calibrators and similar applications. Circuit design should provide ignition voltage of 120 V minimum.
Datasheets
Datasheet: 8228.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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