Tube-number record
6955
0 archive entries
6955 is a tube type in the TubeDatabase archive (class: Medium-mu duotriode). Recorded specifications: brand CBS-Hytron, construction Duotriode, base Miniature 9-pin (E9-1), socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.75 W. The archive does not yet hold a photographed example of this type.
BrandCBS-Hytron
ClassMedium-mu duotriode
BaseNoval (B9A)
Filament6.3 V @ 350 mA
Construction
Primary TypeDuotriode
EnvelopeT-6 1/2
Base MaterialMiniature 9-pin (E9-1)
Sections2
Filament / Heater
Heater NotesSeries or parallel operation
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100 V | 3500 | 5800 | 21.3 | 13 mA |
| Class A Amplifier | 250 V | 2350 | 7000 | 16.5 | 11.5 mA |
| Pulse Modulator | 300 V | — | — | — | 900 mA |
Application Notes
Designed for pulse circuits, high peak power blocking oscillators, multivibrators, and square-wave modulators.
Datasheets
Datasheet: 6955.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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