Tube-number record
30C3
0 archive entries
30C3 is a tube type in the TubeDatabase archive (class: Measurement Cathode Ray Tube). Recorded specifications: brand Ediswan, construction Display / CRT, base Plastic/Bakelite, socket CRT base (B12 family), and maximum plate voltage 6000 V. The archive does not yet hold a photographed example of this type.
BrandEdiswan
ClassMeasurement Cathode Ray Tube
BaseCRT base (B12 family)
Filament4 V @ 720 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Bakelite
SectionsSingle gun
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 2kV Operation | 2000 V | — | — | — | 0.2 mA |
| 6kV Operation | 6000 V | — | — | — | 0.2 mA |
Application Notes
Intended particularly for H.F. and pulse measurements. The Final Anode and the Bulb coating are brought out separately to allow higher writing speeds or finer spots.
Datasheets
Datasheet: 30C3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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