Tube-number record
C21AF
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C21AF is a tube type in the TubeDatabase archive (class: Television Tube (CRT)). Recorded specifications: brand BRIMAR, construction Other / special, socket CRT base (B8H), and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.
BrandBRIMAR
ClassTelevision Tube (CRT)
BaseCRT base (B8H)
Filament4 V @ 300 mA
Construction
Primary TypeOther / special
EnvelopeGrey glass faceplate, aluminized screen
SectionsTripotential electrostatic focus
Filament / Heater
Heater Notes0.3 amp nominal
Absolute Maximum Ratings
Plate Voltage16000 V
Grid 2 Voltage750 V
Grid 1 Voltage-150 V
H-C Voltage200 V
Audio Performance
Key Features
- Tripotential electrostatic focus
- Aluminized screen
- External conductive coating
- Rectangular 110° deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 16000 V | — | — | — | 0.15 mA |
Application Notes
No harmful X-ray radiation is produced by this tube when operated at final anode voltages below 16 kV. At voltages above 16 kV, some shielding may be necessary.
Datasheets
Datasheet: C21AF.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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