Tube-number record
7227
0 archive entries
BrandBrimar
ClassLow Voltage Output Pentode
BaseNoval (B9A)
Filament26.5 V @ 170 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage50 V
Plate Dissipation2 W
Grid 2 Voltage50 V
Cathode Current20 mA
H-C Voltage50 V
Audio Performance
Power Output0.07 W
Key Features
- Reliable service
- Mobile or fixed equipment
- High mechanical vibration and shock resistance
- Operation from 24V battery
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 26.5 V | 3100 | 6000 | 11 | 11 mA |
Application Notes
Particularly suitable for use in the instrumentation, control and radio equipment of aircraft.
Datasheets
Datasheet: 7227.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results