Tube-number record
A47-26W
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BrandMullard
ClassTelevision Tube (CRT)
BaseCRT base (B8H)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeReinforced Glass
Sections1
Filament / Heater
Heater NotesSuitable for series or parallel operation. Surge heater voltage must not exceed 9.5V r.m.s.
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage700 V
Grid 1 Voltage150 V
Cathode Current0.025 mA
H-C Voltage250 V
Audio Performance
Key Features
- Metal backed screen
- Reinforced envelope
- Safety screen not required
- Push-through presentation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual extinction of focused raster (Grid Modulation) | 20000 V | — | — | — | — |
| Visual extinction of focused raster (Cathode Modulation) | 20000 V | — | — | — | — |
Application Notes
X-ray shielding is advisable when operated above 20kV. External conductive coating M must be connected to chassis.
Datasheets
Datasheet: A47-26W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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