The FD-911SD is a high power ceramic-metal triode,It has thoriated tungsten cathode and water cooling of plate.The tube maximum plate dissipation is 80kW and maximum frequency operation is 26MHz.
The tube designed for oscillator in the industry high frequency heating applications.
GENERAL CHARACTERISTICS
Electrical
Cathode............…....Thoriated Tungsten
Filament Voltage...…......…........…12V
Filament Current...…...…...…...…195~225A
Transconductance.............….…..…48mA/V
Amplification Factor......…...............35
Interelectrode Capacitances:
Filament to Grid..............….…..90pF
Filament to Plate.................1.5pF
Grid to Plate.....................….75pF
Mechanical
Overall Length.........…............560mm
Overall Diameter…................…φ225mm
Net Weight...............….…......…..17kg
Mounting Position…....…..…Vertical, Plate Down
COOLING
Cooling............…...…Water & Forced Air
Plate Water Flow...…..............≥120L/min
Air Flow of Core.......…..….......….≥250m3 /h
Maximum Envelope Temperature….…..….….200ºC
Water Jacket Outlet Temperature…............≤55ºC
MAXIMUM RATINGS
Frequency.......................26 MHz
Filament Startup Current….............315 A
Plate Voltage.........….….....…..15 kV
Plate Dissipation..................80 kW
Grid Dissipation..................2.6 kW
TYPICAL OPERATION
Frequency.........….........….…300 KHz
Plate Voltage...….................12 kV
Grid Voltage..................…-600 V
Plate Current...........…..….....11.5 A
Grid Current….............…...…..…1.6 A
Prompting Power................3.1 kW
Prompting Voltage...........…..…1650 V
Output Power......…....................…105 kW
We also manufacture all the following models.
FD-911S |
FD-911SD |
FD-912S |
FD-921S |
FD-934S |
FD-935S |
FU-5S |
FU-22S |
FU-101C |
FU-307S |
FU-307SD |
FU-308S |
FU-308SD |
FU1184CA |
FU3062F |
FU3092CA |
FU3092CA taking-off ring |
FU3124ZA |
FU3537C |
FU7069F |
FU-7085F |
RQ-8001 |
RQ-8003 |
TM-702F |
TM-703F |
TM-928FA |