Basic Info.
Encapsulation Structure
Glass Sealed Transistor
Installation
Plug-in Triode
Working Frequency
High Frequency
Structure
Glass and Metal
Transport Package
Strong Wooden Cage
Product Description
60KW
FD-308S for glass tube
FD-307S (30KW) for glass tube also available
The FU-308S is a high power glass-metal triode,It has thoriated tungsten cathode and water cooling of
plate. The tube maximum plate dissipation is 60kW 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...…..............…..…8V
Filament Current...…......…..…195~225A
Transconductance.............….…..…35mA/V
Amplification Factor......…...............30
Interelectrode Capacitances:
Filament to Grid..............….…..88pF
Filament to Plate................….1pF
Grid to Plate.....................….69pF
Mechanical
Overall Length.........…............495mm
Overall Diameter…................…φ225mm
Net Weight...............…...…......…14kg
Mounting Position…....…..…Vertical, Plate Down
COOLING
Cooling............…...…Water & Forced Air
Plate Water Flow...........…......≥100L/min
Air Flow of Core….........…...….... ≥180m3/h
Maximum Envelope Temperature….…..….….150ºC
Water Jacket Outlet Temperature…............≤55ºC
MAXIMUM RATINGS
Frequency.......................26 MHz
Filament Startup Current…...…......….315 A
Plate Voltage............…..….…..15 kV
Plate Dissipation..................60 kW
Grid Dissipation..................…2 kW
TYPICAL OPERATION
Plate Voltage...…......…...........12 kV
Grid Voltage..................…-800 V
Plate Current..............….....6.5 A
Grid Current…..................…...….1.2 A
Prompting Voltage.........…..…..1540 V
Output Power......…......................…60 kW
Address:
No. 18, Jianshe Rd., Kaixuan St., Liangxiang, Fangshan Dist., 102488, P. R. China, Beijing, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001
Company Introduction:
EECTECH focuses on High/ Middle Frequency industry, and offer complete solution for steel pipe line, including equipments and accessaries.
Main products are solid state pipe welder, industrial motor and control panel, Computer controlled flaying SAW, Eddy current detector, annealing devices, diesel generator set, electron tube and capacitor, etc.