Tube-number record
3C/150A
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ClassRF Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation150 W
Cathode Current200 mA
Audio Performance
Power Output600 W
Key Features
- Thoriated tungsten filament
- RF Triode
- Large 4-pin bayonet base
- Maximum frequency 60 Mc/s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measurement at Va 1kV | 1000 V | 3000 | 6000 | 18 | 150 mA |
| Class B Audio (2 valves) | 2500 V | — | 16000 | — | 180 mA |
| Class C RF Amplifier (Unmodulated) | 2500 V | — | — | — |
Application Notes
Power output for Class B Audio and Class C operations are approximate values. Direct grid current is subject to wide variation depending upon the impedance of the load circuit.
Datasheets
Datasheet: 3C150A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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