Tube-number record
A 47-17 W
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A 47-17 W is a tube type in the TubeDatabase archive (class: TV-picture tube). Recorded specifications: brand Telefunken, construction Display / CRT, base Glass, socket CRT base (B7 family), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassTV-picture tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular All-glass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated, controlled warming-up time, suitable for parallel or series supply.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 16000 V | — | — | — | — |
Application Notes
The tube can be used without a protective safety plate. Focus voltage ranges from 0 to 400V for general sharpness.
Datasheets
Datasheet: A47-17W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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