Electron Tubes for Industrial, Broadcast and Ham Radio Applications
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3CX3000F1 8239
The
3CX3000F1 / 8239 is identical to the 3CX3000A7 tube except for the
addition of flexible filament and grid leads on the base which can
simplify some installations.
|
Filament
|
Thoriated Tungsten
|
|
Filament Voltage
|
7.5V
|
|
Filament Current
|
51.5A
|
|
Capacitances
(Gnd.Kath.
Connection)
|
Input
|
38.0pF
|
|
Output
|
0.6pF
|
|
Feed-through
|
24.0pF
|
|
Capacitances
(Gnd.Grid.
Connection)
|
Input
|
38.0pF
|
|
Output
|
24.0pF
|
|
Feed-through
|
0.6pF
|
|
Amplification Factor
|
160
|
|
Plate Dissipation
(Max.)
|
4000W
|
|
Grid Dissipation
(Max.)
|
225W
|
|
Frequency for Max.
Ratings(CW)
|
110MHz
|
|
Base
|
Special, coaxial
|
|
Cooling
|
Forced Air
|
|
Maximum Seal&Anode
Core Temperature
|
250℃
|
|
Weight(approximate)
|
2.8kg
|
|
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)
|
|
AB1
|
Grid Driven AF
Amplifier or Modulator
|
6000
|
2.5
|
5500
|
2.2
|
0
|
8250
|
GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised:
October 20, 2010
| 
