Tube-number record
6977
0 archive entries
6977 is a tube type in the TubeDatabase archive (class: Indicator Triode). Recorded specifications: brand SYLVANIA, construction Triode, socket Subminiature, and maximum plate voltage 65 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassIndicator Triode
BaseSubminiature
Construction
Primary TypeTriode
EnvelopeSubminiature
Sections1
Filament / Heater
MaterialCoated Filament
Absolute Maximum Ratings
Plate Voltage65 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Maximum Light Output | 50 V | — | 100000 | — | 0.585 mA |
| Zero Light Output | 50 V | — | — | — | 0.005 mA |
Application Notes
The 6977 is well suited for use in transistorized circuits where its high input impedance and small signal requirements do not load the transistor circuit. Designed for applications in electronic computers and business machines where it can replace neon lamps.
Datasheets
Datasheet: 6977.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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