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

F6804

High-power ITT transmitting triode for RF and Class B amplifier service. Approximately 25 kW plate dissipation and 19 kV capability support very high Class C RF or Class B linear input power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
11 V / 190 A

Description

Three-electrode power tube for radio-frequency amplifier, oscillator, or Class B modulator service. Its forced-air-cooled anode can dissipate 25 kW in continuous commercial service.

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
11 V
Nominal heater current
190 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
40
Max plate voltage
19000 V
Max plate dissipation
25000 W
Max cathode current
100 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

  • The F

    6804

    The F-6804 is a three electrode tube designed for use as a radic frequency

  • Peak Cathode Current, Note

    1 A

    Peak Cathode Current, Note 1 amperes

  • Radiator Temperature

    180

    Radiator Temperature 180 °c, max.

  • Glass Temperature

    180

    Glass Temperature 180 °C, max.

  • D-C Plate Voltage

    19000 V

    D-C Plate Voltage 19,000 volts

  • Max. Signal D-C Plate Current, Note [1]

    3 A

    Max. Signal D-C Plate Current, Note 3 9 amperes

  • Max. Signal D-C Plate Current, Note [2]

    9 A

    Max. Signal D-C Plate Current, Note 3 9 amperes

  • Max. Signal Plate Input, Note [1]

    3

    Max. Signal Plate Input, Note 3 150 kilowatts

  • Max. Signal Plate Input, Note [2]

    150

    Max. Signal Plate Input, Note 3 150 kilowatts

  • Plate Dissipation, ©Note [1]

    3 W

    Plate Dissipation, ©Note 3 25 kilowatts

  • Plate Dissipation, ©Note [2]

    25 W

    Plate Dissipation, ©Note 3 25 kilowatts

  • D-C Plate Voltage

    10000 V

    D-C Plate Voltage 10,000 volts

  • D-C Grid Voltage

    -220 V

    D-C Grid Voltage -220 volts

  • Peak A~F Grid~-to-Grid Voltage

    820 V

    Peak A~F Grid~-to-Grid Voltage 820 volts

  • Zero Signal D-C Plate Current

    6 A

    Zero Signal D-C Plate Current .6 amperes

  • Max. Signal D-C Plate Current

    5.8 A

    Max. Signal D-C Plate Current 5.8 amperes

  • Effective Load Resistance, Plate-to-Plate

    3600

    Effective Load Resistance, Plate-to-Plate 3600 ohms

  • Max. Signal Driving Power, approx

    820 W

    Max. Signal Driving Power, approx. 820 watts

  • Max. Signal Power Output, approx

    37 W

    Max. Signal Power Output, approx. 37 kilowatts

  • D-C Plate Voltage

    14000 V

    D-C Plate Voltage 14,000 volts

  • D=-C Grid Voltage

    -3000 V

    D=-C Grid Voltage -3,000 volts

  • D-C Plate Current

    12 A

    D-C Plate Current 12 amperes

  • D~C Grid Current

    1.5 A

    D~C Grid Current 1.5 amperes

  • Plate Input

    85

    Plate Input 85 kilowatts

  • Plate Dissipation

    20 W

    Plate Dissipation 20 kilowatts

  • D-C Plate Voltage [1]

    10000 V

    D-C Plate Voltage 10,000 14,000 volts

  • D-C Plate Voltage [2]

    14000 V

    D-C Plate Voltage 10,000 14,000 volts

  • D-C Grid Voltage ~ [1]

    750 V

    D-C Grid Voltage ~750 -900 volts

  • D-C Grid Voltage ~ [2]

    -900 V

    D-C Grid Voltage ~750 -900 volts

  • Peak R-F Grid Voltage [1]

    1360 V

    Peak R-F Grid Voltage 1360 1,500 volts

  • Peak R-F Grid Voltage [2]

    1500 V

    Peak R-F Grid Voltage 1360 1,500 volts

  • D-C Plate Current [1]

    6.6 A

    D-C Plate Current 6.6 5.7 amperes

  • D-C Plate Current [2]

    5.7 A

    D-C Plate Current 6.6 5.7 amperes

  • D~C Grid Current [1]

    9 A

    D~C Grid Current .9 .9 amperes

  • D~C Grid Current [2]

    9 A

    D~C Grid Current .9 .9 amperes

  • Driving Power, approximate [1]

    1.2 W

    Driving Power, approximate 1.2 1.3 kilowatts

  • Driving Power, approximate [2]

    1.3 W

    Driving Power, approximate 1.2 1.3 kilowatts

  • Power Output, approximate [1]

    50 W

    Power Output, approximate 50 50 kilowatts

  • Power Output, approximate [2]

    50 W

    Power Output, approximate 50 50 kilowatts

  • D-C Plate Voltage, Note [1]

    5 V

    D-C Plate Voltage, Note 5 17,500 volts

  • D-C Plate Voltage, Note [2]

    17500 V

    D-C Plate Voltage, Note 5 17,500 volts

  • D-C Grid Voltage ~

    3000 V

    D-C Grid Voltage ~3,000 volts

  • D-C Plate Current

    15 A

    D-C Plate Current 15 amperes

  • D-C Grid Current

    1.5 A

    D-C Grid Current 1.5 amperes

  • Plate Input

    125

    Plate Input 125 kilowatts

  • Plate Dissipation

    25 W

    Plate Dissipation 25 kilowatts

  • D-C Grid Voltage ~

    1000 V

    D-C Grid Voltage ~1,000 volts

  • Peak R-F Grid Voltage

    1675 V

    Peak R-F Grid Voltage 1,675 volts

  • D-C Plate Current

    6.4 A

    D-C Plate Current 6.4 amperes

  • D-C Grid Current, approximate

    1.1 A

    D-C Grid Current, approximate 1.1 amperes

  • Driving Power, approximate

    17 W

    Driving Power, approximate 1,7 kilowatts

  • Power Output, approximate

    50 W

    Power Output, approximate 50 kilowatts

  • Frequency [1]

    22

    Frequency 22 30 40 megacycles

  • Frequency [2]

    30

    Frequency 22 30 40 megacycles

  • Frequency [3]

    40

    Frequency 22 30 40 megacycles

  • Plate Voltage & Plate Tnput [1]

    100 V

    Plate Voltage & Plate Tnput 100 80 50 per cent

  • Plate Voltage & Plate Tnput [2]

    80 V

    Plate Voltage & Plate Tnput 100 80 50 per cent

  • Plate Voltage & Plate Tnput [3]

    50 V

    Plate Voltage & Plate Tnput 100 80 50 per cent

  • Note

    1 A

    Note 1l: Represents maximum usable cathode current

  • Note

    3

    Note 3: Averaged over any audio frequency cycle of sine-wave form.

  • Note [1]

    5 V

    Note 5: The tube may be operated up to 19,000 d-c plate voltage at

  • Note [2]

    19000 V

    Note 5: The tube may be operated up to 19,000 d-c plate voltage at

  • BLACK GRID - ,' | / ,%

    4

    BLACK GRID - ,' | / ,%4

Data set 02

1962 ITT Industrial and Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • GridPlateCapacitance

    37 pF

  • GridFilamentCapacitance

    75 pF

  • PlateFilamentCapacitance

    2.2 pF

  • FilamentStartingCurrent

    600 A

  • FilamentHeatingTime

    15 s

Other

  • MaximumRFDCGridVoltage

    -3000 V

    ClassC

  • MaximumRFDCPlateCurrent

    15 A

    ClassC

  • MaximumRFDCGridCurrent

    1.5 A

    ClassC

  • MaximumRFPlateInput

    125 kW

    ClassC

  • MaximumSignalPlateInput

    150 kW

    ClassB