Tube-number record
A28-14W
0 archive entries
A28-14W is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand Mullard, construction Display / CRT, socket Miniature 7-pin (B7G), and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassTelevision Picture Tube
BaseMiniature 7-pin (B7G)
Filament11 V @ 68 mA
Construction
Primary TypeDisplay / CRT
Envelope28cm Rectangular Glass
SectionsSingle
Filament / Heater
Heater NotesSuitable for battery or mains supply; limits for voltage cycles apply.
Absolute Maximum Ratings
Plate Voltage12000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual extinction of focused raster | 11000 V | — | — | — | 0.1 mA |
Application Notes
Designed for portable receivers with push-through presentation. External conductive coating M must be connected to chassis.
Datasheets
Datasheet: A28-14W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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