F5669

Forced-air-cooled companion to the F5668 industrial RF triode. Approximately 10 kW plate dissipation and 14 kV capability provide substantial RF-heating oscillator power without requiring a water-cooling system.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 22 V / 60 A

Description

Three-electrode RF power tube with forced-air cooling; maximum ratings and typical operation follow the F-5668 except for 10 kW plate dissipation.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 22 V
Nominal heater current: 60 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 50
Max plate voltage: 14000 V
Max plate dissipation: 10000 W
Max cathode current: 9.4 A

Published maximum ratings and characteristics audited; remaining numeric data retained densely in parameter table.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Published value
10 W
10 Kilowatts Plate Dissipation
p Filament Voltage
22 V
p Filament Voltage 22 Volts
) Filament Current
60 A
) Filament Current 60 Amperes
p Filament Starting Current
120 mA
p Filament Starting Current 120 Amperes max.
p Filament Cold Resistance
31
p Filament Cold Resistance .031 Ohms
p Peak Cathode Current
9.4 A
p Peak Cathode Current 9.4 Amperes
Grid-Plate
31
Grid-Plate 31 uuf
Grid-Filament
20
Grid-Filament 20 puf
Plate-Filament
2
Plate-Filament 2 puf
Air Temperature
45
Air Temperature 45° C
Temperature*
160
Temperature* 160° C
) Max. Anode Temp
230
) Max. Anode Temp. 230° C
tion of plate dissipation to
10 kW
tion of plate dissipation to 10' KW, Maximum Ratings
Frequency [1]
5
Frequency 5 125 20 Megacycles
Frequency [2]
125
Frequency 5 125 20 Megacycles
Frequency [3]
20
Frequency 5 125 20 Megacycles
Published value
10 W
10 Kilowatts Plate Dissipation and Plate Input

Data set 02

1962 ITT Industrial and Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum full-rating frequency
5 MHz
Cooling method
forced air