Vaccum Tubes
For more than half a century, the vacuum tube had an enormous number of applications in research and communications. In the form of cathode-ray tubes, oscilloscopes,televisions, cameras, microwave tubes, radar, early space communication, and microwave ovens.
WATER COOLED TUBES
Tubes are designed with external anodes which can be cooled by water circulation for extra power capacity.
FU 22S/ BEL 22000W
FU-22S is a direct thermal carbonization thorium-tungsten cathode, metallic glass transistor, for water-cooled anode cooling, the maximum anode dissipation power is 20KW, maximum operating frequency is 26MHz, the output power is 30KW. They are mainly applied in industrial high-frequency heating equipments for oscillations or in radio equipments for amplifications.
FU 23S/ BEL 50000W
Triode electron tube FU-23S is a amplifier power transistor is a glass triodes, their anodes cooled by water; Their maximum anode dissipation powers is 60kW.When at a frequency not higher than 26MHz, their output powers may attain to 100kW; They are mainly applied in industrial high-frequency heating equipments for oscillations equipments for amplifications.
BEL 3000W
BEL 3000W is a water cooled triode having a maximum plate dissipation of 3 KW. It is specially designed for use in industrial RF heating application in the output range of 4 to 6 KW.
BEL 6000W
BEL 6000W is a water cooled triode having a maximum plate dissipation of 10 KW. It is specially designed for use in industrial RF heating application in the output range of 5 to 15 KW.
FU-10S/ BEL 10000W
FU-10S/Z is a direct thermal carbonization thorium-tungsten cathode, metallic glass triode anode cooling by water (S) and evaporative cooling (Z),the maximum anode dissipation power is 10KW (S) and 15KW(Z),the maximum operating frequency is 26MHz,the output power is 15KW.the tubes are mainly used in industrial equipment.
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