Tube-number record
7694
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BrandAmperex Electronic Corporation
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 150 mA
Construction
Primary TypePentode
EnvelopeT5 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater voltage variations of ±20% allowed during short periods.
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.3 W
Grid 2 Voltage600 V
Grid 1 Voltage-35 V
Cathode Current17 mA
H-C Voltage100 V
Audio Performance
Key Features
- Shock and vibration resistant
- Special quality
- Variable transconductance
- Mobile equipment optimized
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250 V | 3800 | 1000000 | 25 | 9.2 mA |
Application Notes
Circuit operation with cathode bias is recommended. Tube life and reliability will be enhanced by operation at lower temperature.
Datasheets
Datasheet: 7694.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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