The 3CX2500F3 is a forced air cooled, ceramic/ metal, medium-mu power triode designed primarily for use in industrial radio frequency heating services. Input of 14 kW is permissible up to 75 MHz. Plentiful reserve emission is available from its 386 watt filament. The grid structure is rated at 150 watts, making this tube an excellent choice for industrial service. 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 4,000 Watts N/A 150 Watts 75 MHz 20 Thoriated Tungsten 7.5 Volts 51.5 Amps Grounded Cathode 35.0 pf 0.9 pf 20 pf N/A N/A N/A N/A Forced Air Flexible Leads N/A N/A N/A 18.44 in; 468.4 mm 4.16 in; 105.7 mm 7.5 lb; 3.4 kg Maximum RatingsTypical Operation Class of Type of ServicePlate PlatePlateScreenPlate Operation VoltageCurrent Voltage VoltageCurrent (Volts) (Amps) (Volts) (Volts) (Amps) C RF Industrial Oscillator CGrid Driven RF Amplifier CGrid Driven RF Amplifier Plate Modulated ABGrid Driven AF Amplifier or Modulator 6,000 6,000 5,500 6,000 2.5 2.5 2.0 2.5 6,000 6,000 5,000 6,000 --- --- --- --- 2.1 2.1 1.3 3.0 Drive Output PowerPower (Watts) (kiloWatts) 136 136 115 113 10.0 10.0 5.3 13.0 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 MPP products, visit our website at: www.cpii.com, or contact: CPI Microwave Products Division, Eimac Operation,607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | 3CX2500F3 4CW50,000J/ 8251 3CX2500F3 / 8251