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Quick Details

  • Place of Origin: Liaoning, China (Mainland)
  • Brand Name: HUAGUANG
  • Model Number: FD-911SC
  • Type: Triode Transistor
  • Package Type: Surface Mount
  • weight: 16kgs

Packaging & Delivery

Packaging Details Wooden box dimensions 86*86*88cm
Gross weight is 140KGS
Delivery Time within 2 days once the payment is confirmed



FD-911SC is a direct thermal carbonization thorium-tungsten cathode, the metal-ceramic triode, anode cooling is by water-cooled the maximum anode dissipation power is 80KW, the maximum operating frequency is 26MHz, the output power is 100KW, the tube is mainly used for industrial high frequency heating device.
Electrical parameters
Filament voltage: 12V
Filament current: 210A
The maximum instantaneous filament current: 315A
Magnification factor: 33
Transconductance: 51mA / V
Electrode capacitance:
Anode - the grid: 77pF
Cathode - the grid: 100pF
Anode - Cathode: 2pF
Mechanical properties:
Quality: (Approx.) 16Kg
Installation: vertical anode down
Cooling mode: water-cooled and air-cooled combination of
Core columns the minimum air flow: 3.2m3/min
Porcelain shell air-cooled flow: ≥ 2m3/min
Water-cooled anode flow: ≥ 120L/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: 15A
Maximum grid DC current: 2.5A
Maximum anode dissipation power: 80KW
Maximum grid dissipation power: 2.6KW


In typical operation: class C telegraph
Filament voltage: 12V
Anode DC voltage: 12KV
Grid DC bias:-1000V
Anode DC current: 10.73A
Grid DC current: 1.55A
Anode output power: 104KW

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China (Mainland) | Manufacturer, Trading Company
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