Tube-number record
30D5
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30D5 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Ediswan Mazda, construction Display / CRT, socket Octal, and maximum plate voltage 9000 V. The archive does not yet hold a photographed example of this type.
BrandEdiswan Mazda
ClassCathode Ray Tube
BaseOctal
Filament4 V @ 750 mA
Construction
Primary TypeDisplay / CRT
Envelope9 inch diameter
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage9000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation (P.P.I display) | 8000 V | — | — | — | — |
Application Notes
The 1st anode must always be at least 60 volts positive with respect to the 2nd anode. All maximum ratings are Absolute values not Design Centres.
Datasheets
Datasheet: 30D5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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