Basic Info.
Encapsulation Structure
Ceramic Packaged Transistor
Installation
Plug-in Triode
Working Frequency
High Frequency
Product Description
The FU-307S is a high power glass-metal triode,It
has thoriated tungsten cathode and water cooling of
plate.
The tube maximum plate dissipation is 30kW and
maximum frequency operation is 30MHz.
The tube designed for oscillator in the industry high
frequency heating applications.
GENERAL CHARACTERISTICS
Electrical
Cathode............…....Thoriated Tungsten
Filament Voltage...….................…8.3V
Filament Current...…......…..…135~165A
Transconductance.............….…..…35mA/V
Amplification Factor......…...............32
Interelectrode Capacitances:
Filament to Grid..............….…..50pF
Filament to Plate................….2pF
Grid to Plate.....................….47pF
Mechanical
Overall Length.........…............356mm
Overall Diameter…................…φ145mm
Net Weight...............…...…......…..5kg
Mounting Position…....…..…Vertical, Plate Down
COOLING
Cooling............…...…Water & Forced Air
Plate Water Flow..................≥40L/min
Air Flow of Core............…......… ≥30m3 /h
Maximum Envelope Temperature….…..….….150ºC
Water Jacket Outlet Temperature…............≤55ºC
MAXIMUM RATINGS
Frequency.......................30 MHz
Filament Startup Current…...…......….225 A
Plate Voltage............…..….…..12 kV
Plate Dissipation..................30 kW
Grid Dissipation..................…1 kW
TYPICAL OPERATION
Plate Voltage...…......…...........10 kV
Grid Voltage..................…-400 V
Plate Current..............….....4.5 A
Grid Current…..................…...….0.5 A
Output Power......…......................…30 kW
Plate Efficiency.........…........70 %
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 |