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The 3CX3000A7 are forced air cooled ceramic-metal power triode containing a thoriated tungsten carbide cathode of which the maximum plate dissipation up 4kW and are designed for used as RF power amplifier, oscillator, or modulator.
In order to simplify the installation of application at low-frequency, the base of the FU-3032F attaches a flexible of grid and cathode on .

GENERAL  CHARACTERISTICS
Filament Voltage                    7.5  V
Filament Current                    51.5  A
Amplification  Factor            160
Interelectrode Capacitance (Grounded Cathode)
Cin               38.1 pF
Cout             0.6 pF
Cgp              24.5 pF
Interelectrode Capacitance (Grounded Grid)
Cin               38.1 pF
Cout             24 pF
Cak              0.6 pF
Zero-Grid-Voltage Plate Current (Ua=5 kV)          440±80mA
Cut-off Grid Bias (Ua=5kV, Ia=1ma)               -45V
Operation Position          Vertical, base up or down
Cooling                             Forced Air
Maximum Anode Core and Seal Temperature     250
Maximum Height                    228.6 mm
Maximum Diameter               105.7 mm
Net Weight                              2.8  kg