Tube-number record
90EY4
0 archive entries
90EY4 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: construction Display / CRT, base Plastic/Bakelite, socket CRT base (B12 family), and maximum plate voltage 5000 V. The archive does not yet hold a photographed example of this type.
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament4 V @ 1000 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Bakelite
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 4000 V | — | — | — | — |
| Condition 2 | 2000 V | — | — | — | — |
Datasheets
Datasheet: 90EY4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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