The 3CX4500F3/YU-108 is a forced air cooled, ceramic/metal, medium-mu power triode designed primarily for use in industrial radio frequency heating services. Input of 24 kW is permissible up to 75 MHz. Plentiful reserve emission is available from its 546 watt filament. The grid structure is rated at 300 watts, making this tube an excellent choice for industrial service. Class of Operation C 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) RF Industrial oscillator or amplifier 9,000 3.0 T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) 8,000 6,000 Watts --300 Watts 75 MHz 22 Thoriated Tungsten 7.0 Volts 78.0 Amps Grounded Cathode 95.0 pf 0.9 pf 20 pf ----- pf --- pf --- pf Forced Air Flexible Leads ------9.0 in; 22.86 cm 6.12 in; 15.55 mm 9.5 lb ; 43 kg --- Plate Current (Amps) 2.5 Drive Output Power Power (Watts) (kiloWatts) 710 14.0 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 | 3cX4500F3/ YU-108 CPI | 4CW50,000J 3CX4500F3/YU-108