The 3CW20,000A3 is a medium-mu power triode intended primarily for use as a power oscillator in industrial heating applications. It is also recommended for use as a conventional plate-modulated amplifier, or as a linear amplifier. service. Class of Operation Characteristics Plate Dissipation (Max.) Screen Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament/Cathode Voltage Current Capacitance Input Output Feedthrough Capacitance Input Output Feedthrough Cooling Base Air Socket Air Chimney Boiler Length Diameter Weight Maximum Ratings Type of Service Plate Voltage (Volts) Plate Current (Amps) 20,000 Watts --250 Watts 110 MHz 20 Thoriated Tungsten 7.5 Volts 99.0 Amps Grounded Cathode 53.0 pf 1.4 pf 34 pf ----- pf --- pf --- pf Water and Forced Air Coaxial SK-1300 ----11.22 in; 285.00 mm 4.65 in; 118.10 mm 11.5 lb; 5.2 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C Grid driven RF amplifier plate modulated 5,500 3.0 5,000 --- 3.0 515 12.4 C RF industrial oscillator 7,000 4.0 7,000 --- 4.0 --- 22.4 The values listed above represent specified limits for the product and are subject to change. The data should be used for basic information only. Formal, controlled specifications may be obtained from CPI for use in equipment design. For information on this and other CPI products, visit our website at: www.cpii.com, or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | 3cW20,000A3 CPI | 4CW50,000J 3CW20,000A3