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

F6803

Massive high-mu ITT power triode for high-power RF and Class B service. Approximately 70 kW plate dissipation, 19 kV capability, and very high plate current support enormous transmitter or modulator 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. The water-cooled anode is rated for 70 kW continuous-commercial-service 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
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
70000 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

    6803

    The F-6803 is a three electrode tube designed for use as a radio frequency

  • Service., The cathode

    1

    Service., The cathode 1s a thoriated tungsten filament of free hung de-

  • sign and filament excitation of

    3

    sign and filament excitation of 3 phase wye is required. Maximum ratings

  • Filament Voltage, line to line

    110 V

    Filament Voltage, line to line 11,0 volts

  • Filament Current, per phase

    190 A

    Filament Current, per phase 190 amperes

  • Filament Starting Current

    600 A

    Filament Starting Current 600 amperes

  • Filament Heating Time

    15

    Filament Heating Time 15 seconds

  • Peak Cathode Current, Note [1]

    1 A

    Peak Cathode Current, Note 1 100 amperes

  • Peak Cathode Current, Note [2]

    100 A

    Peak Cathode Current, Note 1 100 amperes

  • Grid-Plate

    37

    Grid-Plate 37 uuf

  • Grid-Filament

    5

    Grid-Filament 5 upf

  • Plate-Filament

    2

    Plate-Filament 2.0 ppuf

  • Water Flow on Anode

    30

    Water Flow on Anode 30 gpm

  • Glass Temperature (at hottest part)

    180

    Glass Temperature (at hottest part) 180 °C, max.

  • Note

    1 A

    Note 1: Represents maximum usable cathode current

  • POWER TRIODE

    -2 W

    POWER TRIODE -2-

  • 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 9O amperes

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

    9 A

    Max, Signal D-C Plate Current, Note 3 9O 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 70 kilowatts

  • Plate Dissipation, Note [2]

    70 W

    Plate Dissipation, Note 3 70 kilowatts

  • D-C Plate Voltage

    14000 V

    D-C Plate Voltage 14,000 volts

  • D-C Grid Voltage =

    300 V

    D-C Grid Voltage =300 volts

  • Peak A-F Grid-to-Grid Voltage

    1600 V

    Peak A-F Grid-to-Grid Voltage 1,600 volts

  • Zero Signal D-C Plate Current

    2 A

    Zero Signal D-C Plate Current 2 amperes

  • Max. Signal D-C Plate Current

    16 A

    Max. Signal D-C Plate Current 16 amperes

  • Effective Load Resistance, plate-to-plate

    2250

    Effective Load Resistance, plate-to-plate 2,250 ohms

  • Max. Signal Driving Power, approx

    1500 W

    Max. Signal Driving Power, approx. 1,500 watts

  • Max. Signal Power Output, approx

    150 W

    Max. Signal Power Output, approx. 150 kilowatts

  • D-C Plate Voltage, Note [1]

    4 V

    D-C Plate Voltage, Note 4 17,500 volts

  • D-C Plate Voltage, Note [2]

    17500 V

    D-C Plate Voltage, Note 4 17,500 volts

  • D-C Plate Current

    7 A

    D-C Plate Current 7 amperes

  • Plate Input

    100

    Plate Input 100 kilowatts

  • Note

    3

    Note 3: Averaged over any audio frequency cyecle of sine-wave

  • Note [1]

    4

    Note 4: The tube may be operated up to 19,000 d-c plate volts

  • Note [2]

    19000

    Note 4: The tube may be operated up to 19,000 d-c plate volts

  • D-C Plate Voltage

    15000 V

    D-C Plate Voltage 15,000 volts

  • D-C Grid Voltage =

    375 V

    D-C Grid Voltage =375 volts

  • Peak R=F Grid Voltage

    500 V

    Peak R=F Grid Voltage 500 volts

  • D-C Plate Current

    4.9 A

    D-C Plate Current 4.9 amperes

  • D=C Grid Current

    0 mA

    D=C Grid Current 0.0 amperes

  • Driving Power, approx. Note [1]

    5 W

    Driving Power, approx. Note 5 770 watts

  • Driving Power, approx. Note [2]

    770 W

    Driving Power, approx. Note 5 770 watts

  • Power Output, approx

    25 W

    Power Output, approx. 25 kilowatts

  • 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

    140

    Plate Input 140 kilowatts

  • Plate Dissipation

    7 W

    Plate Dissipation 7 kilowatts

  • D-C Grid Voltage

    -800 V

    D-C Grid Voltage -800 volts

  • Peak R-F Grid Voltage

    1550 V

    Peak R-F Grid Voltage 1,550 volts

  • D-C Plate Current

    10 A

    D-C Plate Current 10 amperes

  • D-C Grid Current

    1 A

    D-C Grid Current 1.k amperes

  • Driving Power, approx

    2 W

    Driving Power, approx. 2 kilowatts

  • Power Output, approx

    104 W

    Power Output, approx. 104 kilowatts

  • D-C Plate Voltage, Note [1]

    7 V

    D-C Plate Voltage, Note 7 17,500 volts

  • D-C Plate Voltage, Note [2]

    17500 V

    D-C Plate Voltage, Note 7 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 aumperes

  • Plate Input

    175

    Plate Input 175 kilowatts

  • Plate Dissipation

    70 W

    Plate Dissipation 70 kilowatts

  • Note

    5

    Note 5: At crest of audio-frequency cycle with modulation

  • Note [1]

    7

    Note 7: The tube may be operated up to 19,000 d-c plate

  • Note [2]

    19000

    Note 7: The tube may be operated up to 19,000 d-c plate

  • D-C Plate Voltage

    14500 V

    D-C Plate Voltage 14,500 volts

  • D~C Grid Voltage

    2250 V

    D~C Grid Voltage 2,250 volts

  • Peak R-F Grid Voltage

    3200 V

    Peak R-F Grid Voltage 3,200 volts

  • D~-C Plate Current

    8.25 A

    D~-C Plate Current 8.25 amperes

  • D-C Grid Current, approx

    1.5 A

    D-C Grid Current, approx. 1.5 amperes

  • Driving Power, approx

    5 W

    Driving Power, approx. 5.0 kilowatts

  • Power Output, approx

    95 W

    Power Output, approx. 95 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 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

  • Published value [1]

    408 W

    408 F-6803 POWER TRIODE

  • Published value [2]

    6803 W

    408 F-6803 POWER TRIODE

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 pF

  • FilamentStartingCurrent

    600 A

  • FilamentHeatingTime

    15 s

Other

  • MaximumRFDCGridVoltage

    -3000 V

    ClassC

  • MaximumRFDCPlateCurrent

    15 A

    ClassC

  • MaximumRFDCGridCurrent

    1.5 A

    ClassC

  • MaximumRFPlateInput

    175 kW

    ClassC

  • MaximumSignalPlateInput

    150 kW

    ClassB