The 4CX5000A is a metal-ceramic, forced air-cooled tetrode with a direct-heating thoriated tungsten cathode. At an operating frequency of 110MHz, the anode dissipation power is 5 kW. Dissipation power for grid No.1 and No.2 is 75w and 250w respectively. The tube is mainly used in high frequency class C amplifier and modulator.
Specifications:
Filament Voltage……7.5V
Filament Current……76A
Amplification Factor……4.5
Interelectrode Capacitances (grid-grounded)
Input……115pF Feedback……0.7pF Output……20.5Pf
Mounting……Upright
Cooling……forced air
Temperature at anode shell and seals……250℃
Maximum ratings:
DC Anode voltage...7.5kV
DC Anode current...3A
Grid 1 voltage……-500V
Grid 1 dissipation……75w
Grid 2 voltage……1500V
Grid 2 dissipation……250w
Anode dissipation power...5kW
Typical conditions
DC Anode voltage......5kV
Grid 1 voltage……-500V
Grid 1 dissipation……75w
Grid 2 voltage……1000V
Grid 2 dissipation……250w
Anode Output Power……3.5kW
