833C POWER TRIODE
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BrandRichardson Electronics
ClassTransmitting Tube
BaseSpecial Terminal Connector
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Heater NotesFilamentary cathode
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation450 W
Grid 1 Voltage-500 V
Cathode Current500 mA
Audio Performance
Power Output2700 W
Key Features
- High power triode
- Thoriated tungsten filament
- Suitable for RF and AF power applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| AF Power Amplifier and Modulator - Class B (2 Tubes, Forced-air ICAS) | 4000V | - | 11000 | 35 | 900mA |
| RF Power Amplifier - Class B Telephony (Forced-air ICAS) | 4000V | - | - | 35 | 150mA |
| Plate-Modulated RF Power Amplifier - Class C Telephony (Forced-air ICAS) | 4000V | - | 3600 | - | 450mA |
| RF Power Amplifier & Oscillator - Class C Telegraphy (Forced-air ICAS) | 4000V | - | 2400 | - | 500mA |
Application Notes
The 833C is designed for RF power amplifier applications and AF power modulator service. Cooling can be radiation or forced-air depending on dissipation requirements.
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