The 3CX3000A7 high-mu forced air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. The tube has a low inductance cylindrical filament tank circuit for VHF operation. Operation with zero grid bias in many applications offers circuit simplicity by eliminating the bias supply. Grounded-grid operation is attractive since a power gain of over twenty times can be obtained.
Characteristics: - Plate Dissipation (Max.): 4,000 Watts - Screen Dissipation (Max.): --- - Grid Dissipation (Max.): 225 Watts - Frequency for Max. rating (CW): 110 MHz - Amplification Factor: 160 - Filament/Cathode: Thoriated Tungsten - Voltage: 7.5 Volts - Current: 51.5 Amps - Capacitance: Grounded Cathode - Input: 38.0 pf - Output: 0.6 pf - Feedthrough: 24 pf - Capacitance: Grounded Grid - Input: 38.0 pf - Output: 24.0 pf - Feedthrough: 0.6 pf - Cooling: Forced Air - Base: Special, Coaxial - Air Socket: --- - Air Chimney: --- - Boiler:--- - Length 9.00 in; 228.60 mm - Diameter 4.15 in; 105.50 mm - Weight 6.2 lb ; 2.8 kg