The 3CX20,000H3 is a forced air cooled, ceramic/ metal, medium-mu power triode designed primarily for use in industrial radio frequency heating services. Input of 84 kW is permissible up to 90 MHz. Plentiful reserve emission is available from its 1600 watt filament. The grid structure is rated at 800 watts, making this tube an excellent choice for industrial service. Class of Operation C Characteristics Plate Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament/Cathode Voltage Current Capacitance Input Output Feedthrough Cooling Base Length Diameter Weight Maximum Ratings Type of Service Plate Voltage (Volts) Plate Current (Amps) RF Industrial oscillator or amplifier 12,000 8.0 T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) 10,000 20,000 Watts 800 Watts 90 MHz 20 Thoriated Tungsten 10.0 Volts 160 Amps Grounded Cathode 70.0 pf 2.3 pf 43 pf Forced Air Flexible Filament Leads 19.0 in; 482.6 mm 8.0 in; 203.2 mm 20.0 lb; 9.1 kg --- Plate Current (Amps) 7.9 Drive Output Power Power (Watts) (kiloWatts) 960 64 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 | 3cX20,000H3 CPI | 4CW50,000J 3CX20,000H3