SE3-750 is equivalent to USA 5867A orTB3/750, it is a direct thermal carbonization thorium-tungsten cathode glass triode, the anode cooling method is natural cooling, the maximum anode dissipation power is 350W, the maximum operating frequency is 50MHz, the output power is 1.2KW. the tube is used in the field of industrial heating, the power amplification or oscillation, also used in the use of audio and RF power amplifier or modulator.

Electrical Characteristics:

Dimension(mm):

Caution for the use:

The temperature on the sealing joint of the electron tube glass and metal should not exceed 150℃, The temperature of wind at the inlet of the wind cooling tube should not exceed 45℃, and that at the outlet should not exceed 100℃. The temperature difference of incoming and outgoing water of the water cooling pipe should be about 10℃ and should not exceed 20℃, and the water temperature at the outlet should not exceed 60℃.

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