The ML-6426, 6426 and 6426K are medium-Mu triodes used in AM broadcast and industrial heating applications. The water-cooled anodes in these tubes are rated at 40 kilowatts. The –K version designates ceramic is employed instead of glass as an insulating material. Class of Operation Characteristics Plate Dissipation (Max.) Screen Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament Voltage Current Capacitance Input Output (Max.) Cgp 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) 40,000 Watts N/A 750 Watts 30 MHz 20 Thoriated Tungsten 12.5 Volts 200 Amps Grounded Cathode 48 pf 2.4 pf 35 pf N/A pf pf pf Water and Forced Air Special N/A N/A N/A 15.75 in; 40.0 cm 5.25 in; 13.3 cm 13 lb; 5.90 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C Industrial Oscillator 12,500 8.0 10,000 -1,100 6.5 900 46.4 C Industrial Oscillator 12,500 8.0 12,000 -1,200 6.4 670 55.4 C Plate modulated RF amplifier (telephony) 9,000 6.0 8,500 -1,400 4.8 1,100 30.7 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-6426/ 6426/ 6426K CPI | 4CW50,000J ML-6426/6426/6426K