Tube-number record
7761
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BrandSYLVANIA
ClassPentode
BaseSubminiature
Filament26.5 V @ 110 mA
Construction
Primary TypePentode
EnvelopeT-3
Base MaterialE8-10, Subminiature Button Flexible Leads
SectionsSingle
Filament / Heater
Heater NotesOperation under conditions of severe shock, vibration, high temperature and high altitude.
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation4 W
Grid 2 Voltage155 V
Grid 1 Voltage-55 V
Cathode Current40 mA
H-C Voltage200 V
Audio Performance
Key Features
- Premium Subminiature
- High gm
- Video Pentode
- Shock Resistant
- Vibration Resistant
- Radiation Tolerant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Video Pentode | 150 V | 9000 | 50000 | — | 21 mA |
Application Notes
The Sylvania Type 7761 is intended for operation under conditions of severe shock, vibration, high temperature and high altitude, and is manufactured to meet applicable MIL-E-1 specifications.
Datasheets
Datasheet: 7761.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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