Tube-number record
SR 44
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ClassVoltage Reference Tube
BaseFlexible / flying leads
Construction
Primary TypeOther / special
EnvelopeSubminiature
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage115 V
Cathode Current5 mA
Audio Performance
Key Features
- Cold molybdenum cathode
- Low Tritium pre-ionization
- Subminiature size
- Soldering connections
- Light-insensitive breakdown voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilizing | 84 V | — | — | — | 1.5 mA |
Application Notes
Breakdown voltage is not influenced by light and remains unchanged even in complete darkness.
Datasheets
Datasheet: SR44.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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