| Shape: | GT |
|---|---|
| Shielding Type: | Sharp Cutoff Shielding Tube |
| Cooling Method: | Air Cooled Tube |
|
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Electron tube 833A is a medium-mu power triode intended for use in RF amplifier, oscillator, or class B modulator service. The 833A features rugged construction for high power RF transmitter applications. The envelope is fabricated from hard glass intended specifically for the high-temperature operation of transmitting tubes.
The internal tube parts are supported by low loss ceramic insulators for high-temperature operation and high voltage hold-off. The rugged grid structure is particularly well suited for industrial heating applications.
GENERAL CHARACTERISTICSGENERAL CHARACTERISTICS
Electrical
|
Filament |
Thoriated-tungsten |
|
|
Output Power |
≤1 kW |
|
|
Working frequency |
≤ 30 MHz |
|
|
Filament |
Voltage |
10 V |
|
Current |
9.4-10.6 A |
|
|
Anode Voltage |
4 kV max. |
|
|
Anode DC Current |
450 mA |
|
|
Grid DC Current |
40 - 70 mA |
|
|
Grid Resistance |
5 kΩ max. |
|
|
Anode Dissipation Power |
300 W max. |
|
|
Grid Dissipation Power |
20 W max. |
|
Mechanical
|
Overall Height |
219.2 mm |
|
Overall Diameter |
116.8 mm |
|
Net Weight |
0.6 kg |
| Cathode | Thoriated Tungsten |
| Filament Voltage | 10 V |
| Filament Current | Appr. 190 A |
| Transconductance | 50 mA/V |
| Amplification Factor | 20 |
| Interelectrode Capacitances: | |
| Filament to Grid | 95 pF |
| Filament to Plate | 2.6 pF |
| Grid to Plate | 46 pF |
| Overall Length | 378 mm |
| Overall Diameter | 185 mm |
| Net Weight | 7.5 kg |
| Mounting Position | Vertical, Plate Up or Down |
| Cooling | Hypervapotron & Forced Air |
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