Electron Tubes for Industrial, Broadcast and Ham Radio Applications
Call us Toll Free at: 877-206-5021 
7T69RB
The
7T69RB is a forced-air-cooled, ceramic/metal power triode
containing a thoriated tungsten cathode intended for use as an
industrial oscillator.
|
Filament
|
Thoriated
Tungsten
|
|
Filament
Voltage
|
12.6V
|
|
Filament
Current
|
35.0A
|
|
Capacitances
(Gnd.Kath.
Connection)
|
38.1pF
|
38.1pF
|
|
0.6pF
|
0.6pF
|
|
24.0pF
|
24.0pF
|
|
Transconductance
|
13mS
|
|
Amplification Factor
|
21
|
|
Frequency
for Max. Ratings(CW)
|
110MHz
|
|
Cooling
|
Forced Air
|
|
Maximum
Seal&Anode Core Temperature
|
250℃
|
|
Weight(approximate)
|
2.8kg
|
|
Operating
Position
|
Vertical,
base up or down
|
Max. Ratings (RF
Power Amplifier or Oscillator, Class C)
|
|
Continuous
Service
|
Intermittent
Service
|
|
Plate
Voltage (kV)
|
8.0
|
8.0
|
|
Plate
Current (A)
|
2.0
|
2.0
|
|
Grid
Current(A)
|
0.5
|
0.6
|
|
Plate
Dissipation(kW)
|
4.5
|
5.5
|
|
Grid
Dissipation(W)
|
150
|
230
|
TYPICAL
OPERATION（Oscillator)
|
|
Continuous
Service
|
Intermittent
Service
|
|
Plate
Voltage (kV)
|
6.0
|
8.0
|
|
Plate
Current (A)
|
1.6
|
1.8
|
|
Output Power
(kW)
|
7.1
|
10.0
|
|
Grid
Current(A)
|
250
|
310
|
|
Grid
Impedance(Ω)
|
3500
|
4000
|
Note: The
Intermittent Service means that the working time is 10s, and the
duty factor is 50%.
GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised:
October 20, 2010
| 
