Tube-number record
7C25
0 archive entries
BrandCentral Electronic Manufacturers
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialKovar grid and filament seals
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage5000 V
Plate Dissipation2500 W
Grid 1 Voltage-1500 V
Cathode Current10000 mA
Audio Performance
Power Output3100 W
Key Features
- Forced-air-cooled
- Sturdily-supported, double-spiral thoriated tungsten filament
- Rugged kovar grid and filament seals
- Flexible leads constructed of O.F.H.C. copper
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radio-Frequency Power Amplifier and Oscillator -- Class C Telegraphy | 4000 V | — | — | 25 | 1000 mA |
| Radio-Frequency Power Amplifier and Oscillator -- Class C Telegraphy | 4500 V | — | — | 25 | 1200 mA |
| Radio-Frequency Power Amplifier and Oscillator -- Class C Telegraphy | 5000 V | — | — |
Application Notes
Specifically designed for industrial and communication applications. Full input ratings apply to 30 mc. Reduced ratings applicable for useful power outputs extending to 50 mc.
Datasheets
Datasheet: 7C25.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results