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Tube Tetrodes Eimac 4CX7500A




The 4CX7500A is a compact tetrode designed to be used in VHF power amplifier service.
It features a type of internal structure which resultsin high RF operating efficiency up to 220 MHz.
A dense mesh filament is used which contributes to the high performance capability of the tube.
This tube is also recommended for use as a VHF TV linear amplifier.
 
Specification:
Plate Dissipation (Max.)
7,500 Watts
Screen Dissipation (Max.)
165 Watts
Grid Dissipation (Max.)
50 Watts
Frequency for Max. rating (CW)
220 MHz
Amplification Factor
8.0
Filament/Cathode
Thoriated Tungsten
Voltage
7.0 Volts
Current
110 Amps
Capacitance
Grounded Cathode
Input
145 pf
Output
20.0 pf
Feedthrough
.53 pf
Capacitance
Grounded Grid
Input
74.1 pf
Output
20.6 pf
Feedthrough
.07 pf
Cooling
Forced Air
Base
Special, Coaxial
Air Socket
SK-340
Boiler
---
Length
9.27 in; 235.46 mm
Diameter
5.66 in; 143.76 mm
Weight
8.4 lb; 3.8 kg


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