Tube-number record
12DP7
0 archive entries
12DP7 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand RMA, construction Display / CRT, base Wafer Octal 8-Pin, Sleeve, socket Octal, and maximum plate voltage 7700 V. The archive does not yet hold a photographed example of this type.
BrandRMA
ClassCathode Ray Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialWafer Octal 8-Pin, Sleeve
SectionsSingle
Filament / Heater
Heater NotesDC or AC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 7000 V | — | — | — | 1 mA |
Application Notes
Brilliance and definition decrease with decreasing anode voltage. In general, anode voltage should not be less than 4000 volts.
Datasheets
Datasheet: 12DP7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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