Basic Info.
Encapsulation Structure
Ceramic and Metal
Installation
Plug-in Triode
Working Frequency
High Frequency
Structure
Ceramic and Metal
Transport Package
Strong Cartons
Product Description
Triode tube 3CX1500A7 / FU508F
The FU-508F is a ceramic-metal and rugged high-mu power triode, designed with oxide coated cathode.
The tube maximum plate dissipation is 1.5kW and maximum frequency operation is 250MHz.
The tube is designed for use as cathode driven Class AB2 or Class B amplifier in audio or RF applications
including the VHF band or as a cathode driven plate modulated Class C RF power amplifier.
The tube is an equivalent tube that could replace EIMAC 3CX1500A7 triode.
GENERAL CHARACTERISTICS
Electrical
Cathode............Oxide Coated, Unipotential
Filament Voltage...…......….…... 5±0.25V
Filament Current...…...…......…...…10.5A
Transconductance.............….…..…55mA/V
Amplification Factor......…........…......200
Interelectrode Capacitances:(Grounded Cathode)
Cin..................….....….…..38.5pF
Cout............................0.1pF
Cgp.......…...................….10pF
Mechanical
Overall Length.........…...............99mm
Overall Diameter…..................φ86mm
Net Weight...............…...….......0.75kg
Mounting Position..................…Any
Base..................…..…Special 7-pin
COOLING
Cooling.....................Forced Air
Air Flow.........….............…≥1.5m3
/min
Maximum Seal & Anode Core Temperature…250 degrees centigrade
MAXIMUM RATINGS
Frequency..........…............250 MHz
Plate Voltage.........…...........…...4 kV
Plate Dissipation Power..............1.5 kW
Grid Dissipation Power...…...…........20 W
TYPICAL OPERATION
80-108MHz:Class B.
Plate Voltage......….............…....2.5 kV
Cathode Voltage..........…....…....12 V
Plate Current.............................................1 A
Grid Current.............................................58 mA
Output Power........................................1.67 kW
Power Gain......................14.2 dB
Efficiency......................66.7 %
Driving Power..........................................54 W
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.