Vc7t64r air-cooled triode is of cermet structure, thorium tungsten carbide cathode and forced air-cooled triode. The maximum anode dissipation is 1.5KW, the maximum operating frequency is 110Mhz, and the anode output power is 3.8kw. It is mainly used as an industrial high-frequency oscillator and can be interchanged with 7t84rb electronic tube produced by Toshiba Corporation of Japan.