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Power - Triode (over 1000V 100W) ·Triode

F6691

Forced-air-cooled ITT power triode for RF amplifier and oscillator service. Approximately 17 kW plate dissipation and 15 kV capability provide substantial professional transmitter power through the HF range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 260 A

Description

Three-electrode industrial oscillator tube with a thoriated-tungsten filament and forced-air-cooled 17 kW anode.

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
5 V
Nominal heater current
260 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
21
Max plate voltage
15000 V
Max plate dissipation
17000 W
Max cathode current
40 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

  • oscillator. The anode is capable of dissipating

    17

    oscillator. The anode is capable of dissipating 17 kilowatts during

  • Filament Voltage

    5 V

    Filament Voltage 5.0 volts

  • Filament Current

    260 A

    Filament Current 260 amperes

  • Filament Starting Current

    1000 A

    Filament Starting Current 1000 amperes

  • Filament Cold Resistance

    2

    Filament Cold Resistance .002 ohms

  • Filament Heating Time

    15

    Filament Heating Time 15 seconds

  • Peak Cathode Current, Note [1]

    1 A

    Peak Cathode Current, Note 1 4O amperes

  • Peak Cathode Current, Note [2]

    4 A

    Peak Cathode Current, Note 1 4O amperes

  • Grid-Plate

    55

    Grid-Plate 55 uuf

  • Grid-Filament

    57

    Grid-Filament 57 uuf

  • Plate~-Filament

    5

    Plate~-Filament 5.0 puf

  • Plate Dissipation - kw [1]

    17 kW

    Plate Dissipation - kw 17 1k 12

  • Plate Dissipation - kw [2]

    1 kW

    Plate Dissipation - kw 17 1k 12

  • Plate Dissipation - kw [3]

    12 kW

    Plate Dissipation - kw 17 1k 12

  • D-C Plate Voltage [1]

    15000 V

    D-C Plate Voltage 15,000 12,500 max. volts

  • D-C Plate Voltage [2]

    12500 V

    D-C Plate Voltage 15,000 12,500 max. volts

  • D-C Grid Voltage [1]

    -2000 V

    D-C Grid Voltage -2,000 -2,000 max. volts

  • D-C Grid Voltage [2]

    -2000 V

    D-C Grid Voltage -2,000 -2,000 max. volts

  • D-C Plate Current [1]

    6 A

    D-C Plate Current 6 6 wax. amps

  • D-C Plate Current [2]

    6 A

    D-C Plate Current 6 6 wax. amps

  • D-C Grid Currcut [1]

    8

    D-C Grid Currcut .8 .8 max. amps

  • D-C Grid Currcut [2]

    8

    D-C Grid Currcut .8 .8 max. amps

  • Plate Input [1]

    60 kW

    Plate Input 60 54 max. kw

  • Plate Input [2]

    54 kW

    Plate Input 60 54 max. kw

  • Plate Dissipation [1]

    17 kW

    Plate Dissipation 17 17 max. kw

  • Plate Dissipation [2]

    17 kW

    Plate Dissipation 17 17 max. kw

  • D-C Plate Voltage [1]

    15000 V

    D-C Plate Voltage 15,000 12,500 10,000 7,500 volts

  • D-C Plate Voltage [2]

    12500 V

    D-C Plate Voltage 15,000 12,500 10,000 7,500 volts

  • D-C Plate Voltage [3]

    10000 V

    D-C Plate Voltage 15,000 12,500 10,000 7,500 volts

  • D-C Plate Voltage [4]

    7500 V

    D-C Plate Voltage 15,000 12,500 10,000 7,500 volts

  • D-C Grid Voltage [1]

    -1600 V

    D-C Grid Voltage -1,600 -1,300 =-1,100 -800 volts

  • D-C Grid Voltage [2]

    -1300 V

    D-C Grid Voltage -1,600 -1,300 =-1,100 -800 volts

  • D-C Grid Voltage [3]

    -1100 V

    D-C Grid Voltage -1,600 -1,300 =-1,100 -800 volts

  • D-C Grid Voltage [4]

    -800 V

    D-C Grid Voltage -1,600 -1,300 =-1,100 -800 volts

  • Peak R-F Grid Voltage [1]

    2140 V

    Peak R-F Grid Voltage 2140 1820 1600 1360 volts

  • Peak R-F Grid Voltage [2]

    1820 V

    Peak R-F Grid Voltage 2140 1820 1600 1360 volts

  • Peak R-F Grid Voltage [3]

    1600 V

    Peak R-F Grid Voltage 2140 1820 1600 1360 volts

  • Peak R-F Grid Voltage [4]

    1360 V

    Peak R-F Grid Voltage 2140 1820 1600 1360 volts

  • D-C Plate Current [1]

    3.9 A

    D-C Plate Current 3.9 L,25 b1 5.4 amps

  • D-C Plate Current [2]

    25 A

    D-C Plate Current 3.9 L,25 b1 5.4 amps

  • D-C Plate Current [3]

    5.4 A

    D-C Plate Current 3.9 L,25 b1 5.4 amps

  • D-C Grid Current, approx [1]

    570 A

    D-C Grid Current, approx. .570 .500 .750 .690 amps

  • D-C Grid Current, approx [2]

    500 A

    D-C Grid Current, approx. .570 .500 .750 .690 amps

  • D-C Grid Current, approx [3]

    750 A

    D-C Grid Current, approx. .570 .500 .750 .690 amps

  • D-C Grid Current, approx [4]

    690 A

    D-C Grid Current, approx. .570 .500 .750 .690 amps

  • Driving Power, approx [1]

    1200 W

    Driving Power, approx. 1200 900 1200 935 watts

  • Driving Power, approx [2]

    900 W

    Driving Power, approx. 1200 900 1200 935 watts

  • Driving Power, approx [3]

    1200 W

    Driving Power, approx. 1200 900 1200 935 watts

  • Driving Power, approx [4]

    935 W

    Driving Power, approx. 1200 900 1200 935 watts

  • Power Output, approx [1]

    470 kW

    Power Output, approx. 47,0 42.0 32.5 30.0 kw

  • Power Output, approx [2]

    42 kW

    Power Output, approx. 47,0 42.0 32.5 30.0 kw

  • Power Output, approx [3]

    32.5 kW

    Power Output, approx. 47,0 42.0 32.5 30.0 kw

  • Power Output, approx [4]

    30 kW

    Power Output, approx. 47,0 42.0 32.5 30.0 kw

  • Frequency [1]

    30

    Frequency 30 Lo 50 megacycles

  • Frequency [2]

    50

    Frequency 30 Lo 50 megacycles

  • Plate Voltage & Plate Input [1]

    100 V

    Plate Voltage & Plate Input 100 80 50 per cent

  • Plate Voltage & Plate Input [2]

    80 V

    Plate Voltage & Plate Input 100 80 50 per cent

  • Plate Voltage & Plate Input [3]

    50 V

    Plate Voltage & Plate Input 100 80 50 per cent

  • OUTLINE F

    6691 W

    OUTLINE F-6691 POWER TRIODE

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

    30 MHz

  • Cooling method

    forced air