3CW20,000A3

Designed  for use in:
  • Industrial heating applications
  • conventional plate-modulated amplifier
  • linear amplifier

 

Description
Maximum Ratings
Tube Numbering System
Warranty

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Description

Plate Dissipation ( Max ) 20,000 watts
Grid Dissipation ( Max ) 250 watts
Frequency for Mas Ratings (CW) 110 watts
Cooling Water and Forced Air
Filament Thoriated Tungsten
     Voltage 7.5 volts
     Current 99.0 amperes
Capacitances ( Gnd. Cath. Connection )
     Input 53.0 pF
     Output 1.4 pF
     Feed-through 34.0 pF
Amplification Factor 20
Base  Coaxial
Recommended Air System Socket SK-1300
Maximum Seal and Anode Core Temperature 250o C
Maximum Length 11.22 in /  285.00 mm
Maximum Diameter 4.65 in / 118.10 mm
Weight ( approximate ) 11.5 lb / 5.2 kg
Operating Position Vertical, base up or down

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Maximum Ratings Typical Operation
Class of Operation Type of Sevice Plate Voltage (volts) Plate Current (amps) Plate Voltage (volts) Plate Current (amps) Drive Power (watts) Output Power (watts)
C Grid Driven RF Amplifier 7000 4.0 7000 4.0 4100 24,500
C Grid Driven RF Amplifier Plate Modulated 5500 3.0 5000 3.0 515 12,400
C RF Industrial Oscillator 7000 4.0 7000 4.0 - 22,400
AB Cathode Driven RF Linear Amplifier 7000 5.0 70000 4.0 2050 20,000

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