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The 7T69RB is a ceramic-metal triode. It has thoriated tungsten cathode and forced air cooling of plate.
The tube maximum plate dissipation is 4.5kW. and maximum frequency operation is 110MHz.
The tube is designed for oscillator in the industry high frequency heating applications.
The 7T69RB is a ceramic-metal triode. It has thoriated tungsten cathode and forced air cooling of plate.
The tube maximum plate dissipation is 4.5kW. and maximum frequency operation is 110MHz.
The tube is designed for oscillator in the industry high frequency heating applications.
Electrical
|
Cathode |
Thoriated Tungsten |
|
Filament Voltage |
12.6V |
|
Filament Current |
31~38A |
|
Transconductance |
13mA/V |
|
Amplification Factor |
21 |
|
Interelectrode Capacitances: |
|
|
Filament to Grid |
20pF |
|
Filament to Plate |
0.8pF |
|
Grid to Plate |
15pF |
Mechanical
|
Overall Length |
239mm |
|
Overall Diameter |
φ131mm |
|
Net Weight |
2.8kg |
|
Mounting Position |
Vertical, Plate Up or Down |
MAXIMUM RATINGS
|
|
Contin-uous |
Interm-ittent |
|
|
Frequency |
110 |
110 |
MHz |
|
Filament Startup Current. |
53 |
53 |
A |
|
Plate Voltage |
8 |
8 |
kV |
|
Plate Current |
2 |
2 |
A |
|
Grid Current |
500 |
600 |
mA |
|
Plate Dissipation |
4.5 |
5.5 |
kW |
|
Grid Dissipation |
150 |
230 |
W |
LAST