4X250F/FG Transmitting Tube, Ceramic, AMPEREX

4X250F/FG Transmitting Tube, Ceramic, AMPEREX (NOS)

7204/4CX250F 7204/4CX250F Beam Power Tube FORCED-AIR COOLED CERAMIC-METAL SEALS 400 WATTS CW OUTPUT TO 175 Mc COAXIAL-ELECTRODE STRUCTURE 250 WATTS CW OUTPUT AT 500 Mc COMPACT DESIGN INTEGRAL RADIATOR For Use at Frequencies up to 500 Mc The 7204 is uni Laterally interchangeable with the 4X250F 4X250F and bilaterally interchangeable with the 4CX250F 4CX250F. The 7204 is the same as the 7203/40X2508 7203/40X2508 except for the following 1 terns: Heater, for Unipotential Cathode: Voltage (AC or DC)*.26.5 ± 10% volts Current at heater volts = 26.5. 0.58 amp * Because the cathode Is subjected to considerable back bombardment as the frequency is Increased with resultant Increase in temperature, the heater voltage should be reduced depending on operating conditions and frequency to prevent overheating the cathode and resultant short life.

MFR: Amperex

Limited 90 Day Warranty, Limited Quantity Available, New Old Stock, Not for Export