Tube-number record
431QQ44
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BrandTESLA
ClassTelevision Picture Tube (CRT)
Base7-pin (non-miniature)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeTetrode
EnvelopeGlass
Base MaterialCemented special base
Sections1
Filament / Heater
Heater NotesIndirect heating, oxide cathode, series or parallel supply
Absolute Maximum Ratings
Plate Voltage16000 V
Grid 2 Voltage500 V
Grid 1 Voltage-150 V
Cathode Current0.15 mA
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- Shortened length
- No ion trap required
- Smoky glass for contrast
- Spherical screen face
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 16000 V | — | — | — | 0.1 mA |
Application Notes
Screen loading should not exceed 10 mW/cm2. If heater is series-connected, voltage must not exceed 9.5V during turn-on.
Datasheets
Datasheet: 431QQ44.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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