Basic Info.
Encapsulation Structure
Ceramic Packaged Transistor
Installation
Plug-in Triode
Working Frequency
High Frequency
Product Description
The FD-912S is a high power ceramic-metal
triode,It has thoriated tungsten cathode and water
cooling of plate.
The tube maximum plate dissipation is 150kW and
maximum frequency operation is 10MHz.
The tube designed for oscillator in the industry high
frequency heating applications.
GENERAL CHARACTERISTICS
Electrical
Cathode............…....Thoriated Tungsten
Filament Voltage...….......…........17.5V
Filament Current...…...…...…...…400~440A
Transconductance...........….…..…100mA/V
Amplification Factor......…...............30
Interelectrode Capacitances:
Filament to Grid..............….…228pF
Filament to Plate.................5.0pF
Grid to Plate.......................122pF
Mechanical
Overall Length.........…............789mm
Overall Diameter…................…φ270mm
Net Weight...............….…......…..41kg
Mounting Position…....…..…Vertical, Plate Down
COOLING
Cooling............…...…Water & Forced Air
Plate Water Flow...…..............≥220L/min
Air Flow of Core.......…..….......….≥450m3 /h
Maximum Envelope Temperature….…..….….200ºC
Water Jacket Outlet Temperature…............≤55ºC
MAXIMUM RATINGS
Frequency.......................10 MHz
Filament Startup Current….............630 A
Plate Voltage.........….….....…..15 kV
Plate Current...........…..…........30 A
Plate Dissipation...........…......150 kW
Grid Dissipation..................…6 kW
TYPICAL OPERATION
Frequency......…......….......…300 KHz
Plate Voltage...…..............…13.5 kV
Grid Voltage..................…-800 V
Plate Current...........…..…........30 A
Grid Current….............…...…..…5.3 A
Prompting Power......…......….….8.7 kW
Prompting Voltage...........…..…1650 V
Output Power......…....................…298 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 |