Tube-number record
C30S
0 archive entries
C30S is a tube type in the TubeDatabase archive (class: Oscillograph Tube). Recorded specifications: brand Mazda, construction Display / CRT, socket Octal, and maximum plate voltage 550 V. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassOscillograph Tube
BaseOctal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage550 V
Grid 2 Voltage125 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example 1 | 400 V | — | — | — | — |
| Example 2 | 500 V | — | — | — | — |
Application Notes
Commonly used as visual indicators for current forms, frequency control, and modulation depth.
Datasheets
Datasheet: C30S.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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