Tube-number record
D7-222GY
0 archive entries
D7-222GY is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: construction Mono accelerator, base Glass, socket CRT base (B12 family), and maximum plate voltage 2200 V. The archive does not yet hold a photographed example of this type.
ClassInstrument Cathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 240 mA
Construction
Primary TypeMono accelerator
EnvelopeRectangular flat faced glass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirect heating; not to be connected in series with other tubes
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscilloscope | 1000 V | — | — | — | — |
Application Notes
Primarily for use in inexpensive oscilloscopes and monitors. Deflection plates should be driven by a low impedance source if full capabilities are used.
Datasheets
Datasheet: D7-222GY.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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