Tube-number record
3AFP1
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3AFP1 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand ETEL, construction Display / CRT, base Glass, socket B9G (EF50), maximum plate voltage 1500 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandETEL
ClassOscilloscope Tube
BaseB9G (EF50)
Filament6.3 V @ 550 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for parallel operation only. Cathode connected to one side of heater.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 1000 V | — | — | — | — |
Application Notes
The arrangement of the plates is such that a positive voltage on the y' plate deflects the spot upwards and a positive voltage on the x' plate deflects the spot to the left (base key uppermost).
Datasheets
Datasheet: 3AFP1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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