3J/202E
0 Tubes in archive
BrandITT
ClassIndustrial Triode
BaseCustom Connectors
Construction
Primary TypeTriode
EnvelopeGlass and Metal
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten
Absolute Maximum Ratings
Plate Voltage7000 V
Plate Dissipation6000 W
Grid 1 Voltage-1500 V
Cathode Current3000 mA
Audio Performance
Power Output12000 W
Key Features
- Forced-Air-Cooled
- Thoriated-tungsten filament
- Industrial RF Heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C RF Oscillator | 6000V | 32000 | - | 16 | 2500mA |
| Class C RF Oscillator | 6500V | 32000 | - | 16 | 3000mA |
| Class B AF Power Amplifier | 5000V | - | 2700 | 16 | 1900mA |
Application Notes
Recommended to introduce resistance or reactance into filament supply to limit surge current to 2.5 times normal value.
Sort by
Showing 1 to 0 of 0 results