The ML-6425F and 6425F are medium-Mu triodes used in AM broadcast and industrial heating applications. The air-cooled anodes in these tubes are rated at 11 kilowatts. 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 (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) 11,000 Watts N/A 600 Watts 30 MHz 20 Thoriated Tungsten 7.0 Volts 120 Amps Grounded Cathode 32 pf 3.0 pf 26 pf N/A pf pf pf Forced Air Special N/A N/A N/A 16.0 in; 39.3 cm 8.125 in; 20.6 cm 50 lb; 22.68 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C Industrial Oscillator 12,500 3.5 10,000 -1,000 3.3 430 24.4 C Industrial Oscillator 12,500 3.5 12,000 -1,000 3.3 430 30.6 C Plate modulated RF amplifier (telephony) 9,000 2.5 8,500 -1,400 1.8 330 12.1 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-6425/ 6425 CPI | 4CW50,000J ML-6425/6425