300KW Electron tube triode tube FU-955S Vacuum electronic vacuumb tube FU-955S Electronic tube FU-955S

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1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Liaoning, China (Mainland)
Brand Name:
Model Number:
Triode Transistor
Package Type:
Surface Mount
Supply Ability
Supply Ability:
20 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Size:54*54*106cm one box
Weight:68 Kgs
Dalian port,Tianjin port , Beijing airport
Lead Time :
within 2 days once the payment is confirmed


FU955S is a thorium-tungsten cathode of the direct thermal carbonization, metal-ceramic triode, the anode cooling method is water-cooled, the maximum anode dissipation power is 150KW output power is 300KW, the pipes are mainly used in industrial high frequency heating equipment.
Electrical parameters
Filament voltage: 17.5V
Filament current: 425A
The maximum instantaneous filament current: 675A
Magnification factor: 30
Transconductance: 100mA / V
Electrode capacitance:
Anode - the grid: 122pF
Cathode - the grid: 212pF
Anode - Cathode: 3.5pF
Mechanical properties:
Quality: (Approx.) 37Kg
Installation: vertical anode down
Cooling mode: water-cooled and air-cooled combination of
Water-cooled anode flow: ≥ 220L/min
Core columns the minimum air flow: 2.5m3/min
Shell and tube maximum temperature:
250 °C
Sealing at the highest temperature: 250 °C
Terminal maximum temperature: 200 °C
Maximum ratings
The maximum anode DC voltage: 15KV
Maximum anode DC current: 30A
Maximum grid DC current: 7.5A
Maximum anode dissipation power: 150KW
Maximum grid power dissipation: 8KW
In typical operation: class C telegraph
  Filament voltage: 17.5V
  Anode DC voltage: 14KV
  Grid DC bias:-1200V
 Anode DC current: 28.54A
 Grid DC current: 4.53A
 Anode output power: 301.9KW