maxi m u m ratings t ypical ope r ati o n c lass of t ype of s ervice p late p late p late s creen p late drive output operation voltage c urrent voltage voltage c urrent p ower p ower (volts) ( a mps) (volts) (volts) ( a mps) (watts) (kilowatts) c rf i ndustrial oscillator or amplifer 12,000 8.0 10,000 --- 7.9 960 64 the 3cx20,000h3 is a forced air cooled, ceramic/ metal, medium-mu power triode designed primar - ily 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 flament. the grid structure is rated at 800 watts, making this tube an excellent choice for industrial service. 3 cx 20,000h3 cpi | 4 c w50,000j 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 : powergrid@cpii.com the values listed above represent specifed limits for the product and are subject to change. the data should be used for basic information only. formal, controlled specifcations may be obtained from cpi for use in equipment design. ch a r acte r istics plate dissipation (max.) 20,000 watts grid dissipation (max.) 800 watts frequency for max. rating (cw) 90 mhz amplifcation factor 20 filament/cathode thoriated tungsten voltage 10.0 volts current 160 amps capacitance grounded cathode input 70.0 pf output 2.3 pf feedthrough 43 pf cooling forced air base flexible filament leads length 19.0 in; 482.6 mm diameter 8.0 in; 203.2 mm weight 20.0 lb; 9.1 kg cpi | 3c x 20,000h3
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