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Field light tube TB5/2500
infomation: Filament voltage: 6.3V
Filament current: 32.5A Maximum instantaneous filament current: 49A Amplification factor: 22 Transconductance: 5.1mA/V Interelectrode capacitance: Anode-grid: 6.2pF Cathode-grid: 10.5pF Anode-cathode: 0.25pF Mechanical properties: Mass: (approx.) 0.6Kg Installation mode: Vertical, anode leading end up Cooling method: natural cooling Maximum temperature of the shell: 225℃ Maximum sealing temperature: 200℃ High temperature of outlet: 200℃ Ultimate service value Maximum anode DC voltage: 6KV Maximum anode DC current: 750mA Maximum grid DC current: 300mA Maximum anode dissipation power: 800W Maximum grid dissipation power: 120W Typical operating condition: Type C telegraph Filament voltage: 6.3V Anode DC voltage: 5KV Grid DC bias: -360V Anode DC current: 669mA Grid DC current: 134mA Anode output power: 2.6KW |
FU-606 tube is directly heated thorium carbide tungsten cathode glass triode,
which is equivalent to foreign models TB5/2500, 6T50, 7092 and other tubes.
The following are the models of the equal series
FU-33、FU-501FU-605 (6T51) 、
FU-81J、FU-13J、
FU-501JFU-605 (FU - 3051F，6T51)、
FU-606F (6T58RAFU-3062F(E3062C，7T62R)、
FU-724F、FU-8801F(7T84RB)、FU-915F/S、
7T85RB (FU-8802FFU-947F)、
7T69RB(FU-8702F，FU-946F)
