The ML-6422 and 6422 are medium-Mu triodes used in AM broadcast and industrial heating applications. The water cooled anodes in these tubes are rated at 20 kilowatts. Characteristics Plate Dissipation (Max.) Screen Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament/Cathode Voltage Current Capacitance Input Output Cgp Capacitance Input Output Feedthrough Cooling Base Air Socket Air Chimney Boiler Length Diameter Weight Maximum Ratings 20,000 Watts N/A 600 Watts 30 MHz 90 Thoriated Tungsten 7.0 Volts 85 Amps Grounded Cathode 30 pf 2.0 pf 24 pf N/A pf pf pf Water and Forced Air Special N/A N/A 15.5 in; 39.3 cm tbs in; tbs cm 10 lb; 4.53 kg Typical Operation Class of Operation Type of Service Plate Voltage (Volts) Plate Current (Amps) Plate Voltage (Volts) Screen Voltage (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C Industrial Oscillator 12,500 2.5 10,000 -400 1.6 160 11.9 C Industrial Oscillator 12,500 2.5 12,000 -400 2.1 200 18.2 C Plate modulated RF amplifier (telephony) 9,000 1.8 9,000 -600 0.85 135 6.3 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 Operation, 607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | ML-6422/ 6422 CPI | 4CW50,000J ML-6422/6422