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Introduction:
1. FU-5000F electron tube is a direct-heated thorium-tungsten cathode, cermet structure, anode air-cooled tetrode, the maximum operating frequency is 110MHz, the maximum anode dissipation power is 5KW, the maximum dissipation power of one grid is 75W, and the maximum dissipation of the second grid is Dissipation power 250W
2. Mainly used for high frequency class C amplification and modulation
3. It can be used interchangeably with foreign 4CX5000A electron tubes.
Characteristics Parameters
Filament Voltage……7.5V
Filament Current……76A
Amplification Factor…4.5
Interelectrode Capacitances(Grounded Filament)
Input……………………115pF
Output…………………20.5pF
Grid-Plate…………………0.7pF
Installation method...Vertical installation, anode up or downcooling method:
Core column…………………… forced air cooling
Anode………………………… forced air cooling
Maximum working temperature of anode shell and sealing part is 250℃
Extreme use data
DC Plate Voltage …………7.5KV
Plate Current…………3A
Grid Voltage………-500V
Grid Dissipation…75W
Screen Voltage……1500V
Screen Dissipation………250W
Plate Dissipation………5KW
Typical working state
DC Plate Voltage…5kV
Grid Voltage………-500V
Grid Current……75W
Screen Voltage……1000V
Screen Dissipation……250W
Plate Output Power……3.5kW