Electron Tubes for Industrial, Broadcast and Ham Radio Applications
Call us Toll Free at: 877-206-5021 
4CX5000A
The
4CX5000A vacuum tube is useful as an oscillator, amplifier or
modulator at frequencies up to 220MHZ classAB1 audio amplifier or as
a screen modulated radio-frequency amplifier. The rated plate
dissipation is 5 kw for most classes of services and 6 kw for Class
AB operation.
|
Filament
|
Thoriated Tungsten
|
|
Filament Voltage
|
5.0V
|
|
Filament Current
|
90A
|
|
Capacitances
(Gnd.Kath.
Connection)
|
Input
|
111.0pF
|
|
Output
|
12.0pF
|
|
Feed-through
|
0.5pF
|
|
Capacitances
(Gnd.Grid.
Connection)
|
Input
|
58.5pF
|
|
Output
|
10.0pF
|
|
Feed-through
|
0.4pF
|
|
Amplification Factor
|
4.5
|
|
Plate Dissipation
(Max.)
|
3500W
|
|
Screen Dissipation
(Max)
|
165
|
|
Grid Dissipation
(Max.)
|
50W
|
|
Frequency for Max.
Ratings (CW)
|
220MHz
|
|
Base
|
Special, coaxial
|
|
Cooling
|
Forced Air
|
|
Maximum Seal&Anode
Core Temperature
|
250℃
|
|
Weight (approximate)
|
2.5kg
|
|
Operating Position
|
Vertical, base up or
down
|
|
Class of Operation
|
Type of Service
|
Max. Ratings
|
TYPICAL OPERATION
|
|
Plate Voltage
(V)
|
Plate Current
(A)
|
Plate Voltage
(V)
|
Plate Current
(A)
|
Drive Power
(W)
|
Output Power
(W)
|
Screen Voltage
(V)
|
|
C
|
RF Amplifier
|
7500+
|
3.0+
|
7500
|
2.8
|
150
|
16000
|
500
|
|
C
|
RF Amplifier Plate
Modulated
|
5500
|
2.5
|
5000
|
1.4
|
25
|
5800
|
500
|
|
C
|
RF Amplifier Screen
Modulated
|
7500
|
3.0
|
7500
|
1.1
|
11
|
3550
|
350
|
|
AB1
|
RF Linear Amplifier
|
7500
|
4.0
|
7500
|
1.9
|
-
|
10000
|
1250
|
|
AB1
|
AF Amplifier
Or
Modulator
|
7500
|
4.0
|
7000
|
3.7*
|
-
|
17500*
|
1250
|
GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised:
October 20, 2010
| 
