TB4/1250, it is a glass transistor of the direct thermal carbonization of thorium-tungsten cathode triode, the anode cooling method for natural cooling, the maximum anode dissipation power is 450W, the maximum operating frequency is 100MHz, the output power is 1690W. the tube is mainly used for amplification and oscillation with the anodic AM amplifiers and RF power amplifiers and oscillators. the tube can be used interchangeably.
Dimension(mm)

Product Picture