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PRODUCT

  • Electron tube
  • Electron tube
Electron tube   FD-911SD

The FD-911SD is a high power ceramic-metal triode. It has thoriated tungsten cathode and water cooling of plate.

The tube maximum plate dissipation is 80kW and maximum frequency operation is 26MHz.

The tube designed for oscillator in the industry high frequency heating applications.

Overview

The FD-911SD is a high power ceramic-metal triode. It has thoriated tungsten cathode and water cooling of plate.

The tube maximum plate dissipation is 80kW and maximum frequency operation is 26MHz.

The tube designed for oscillator in the industry high frequency heating applications.


GENERAL CHARACTERISTICS

Output Power

100KW

Anode voltage              

12KV

Anode dissipation                    

80KW

General Characteristics

Filament voltage               

12 V

Filament current                

205±15 A

Transconductance (Ia=12A)                   

≥45 mA/V

Amplification factor            

25~40

Interelectrode capacitance

Grid- Cathode                   

90 pF

Anode-Cathode                

1.2 pF

Anode Grid                     

80 pF

Operating position

Vertical, anode down

Height                               

max 560 mm

Diameter                                  

max 225 mm

Weight                              

max 18.5 kg

Cooling Water and forced air

Water flow on anode        

≥120 L/min

Air flow on stem                

≥200 M3/h

Water outlet temperature

≤55

Max temperature at seal  

≤250

Maximum ratings

Filament voltage          

max 12 V

Filament surge current             

315 A

Anode voltage                  

max 15 kV

Anode dissipation power  

max 80 kW

Grid dissipation power             

max 2.6 kW