FU-33 (833A/C) Electronic Vacuum Tube High Frequency Oscillating Emission Tube
Characteristic parameter Filament voltage: 10V Filament: 10A Maximum instantaneous filament current :15A Amplification factor :35 Interelectrode capacitance Grid-anode :6.3PF Grid-cathode :12.3PF Anode-cathode :8.5PF Mechanical property Weight (approx.):0.6KG Installation mode: Vertical, anode outlet up Cooling method: natural cooling Maximum temperature of outlet: 200℃ Maximum temperature of sealing: 200℃ Maximum temperature of the shell: 225℃ Ultimate service value Maximum anode DC voltage :4KV Maximum anode DC :500MA Maximum grid DC :120MA Maximum grid dissipation power :20W Maximum anode dissipation power: 350W Typical operating condition (Type C telegram status) Filament voltage: 10V Grid DC bias :-250V Anode DC voltage :3KV Anode DC current: 461MA Ceiling DC current: 29.4MA Anode output power :100W Note: When the anode dissipation power is greater than 300W, the glass shell is cooled by blowing