Tube-number record
6778
0 archive entries
6778 is a tube type in the TubeDatabase archive (class: Subminiature Triode). Recorded specifications: brand Mullard, construction Triode, socket Subminiature, maximum plate voltage 175 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassSubminiature Triode
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage175 V
Plate Dissipation3 W
Cathode Current22 mA
H-C Voltage100 V
Audio Performance
Key Features
- Subminiature
- Intended for use as oscillator
- Frequency up to 500Mc/s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscillator | 100 V | 5300 | 3600 | 20 | 13 mA |
Application Notes
Intended for use as an oscillator at frequencies of the order of 500Mc/s.
Datasheets
Datasheet: 6778.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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