Input of 14 kW is permissible up to 110 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. 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) 4,000 Watts --150 Watts 110 MHz 20 Thoriated Tungsten 7.5 Volts 51.5 Amps Grounded Cathode 35.0 pf 0.9 pf 20 pf ----- pf --- pf --- pf Forced Air Coaxial ------9.00 in; 2228.68 mm 4.16 in; 105.70 mm 6.2 lb ; 2.8 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C RF Industrial oscillator 6,000 2.5 6,000 --- 2.1 136 10.0 C Grid driven RF amplifier 6,000 2.5 6,000 --- 2.1 136 5.3 C Grid driven RF amplifier plater modulated 5,500 2.0 5,000 --- 1.3 115 5.3 AB Grid driven AF amplifier or modulator 6,000 2.5 6,000 --- 3.0 113 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 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 | 3cX2500A3/ 8161 CPI | 4CW50,000J 3CX2500A3/8161