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

F5680

Thoriated-tungsten power triode for modulation, RF amplification, oscillation, and high-voltage pulse applications. Wide electrode spacing and absence of internal insulators improve voltage capability while substantial dissipation supports professional power service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
13 V / 36 A

Description

Three-electrode power tube for modulator, amplifier and oscillator service; wide element spacing and no internal insulators make it suitable for high-voltage pulse applications.

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
13 V
Nominal heater current
36 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
25
Max plate voltage
6000 V
Max plate dissipation
2500 W
Max cathode current
35 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

    2.5 W

    2.5 Kilowatts Plate Dissipation

  • sipating

    2.5

    sipating 2.5 kilowatts. The cathode is a thoriated

  • tungsten filament. Maximum ratings apply up to

    30

    tungsten filament. Maximum ratings apply up to 30

  • p Filament Voltage

    13 V

    p Filament Voltage . 13.0 Volts

  • p Filament Current

    36 A

    p Filament Current 36 Amperes

  • ) Filament Starting Current

    72 A

    ) Filament Starting Current 72 Amperes

  • ) Filament Cold Resistance

    40

    ) Filament Cold Resistance .040 Ohms

  • Grid-Plate

    12

    Grid-Plate 12.0 uuf

  • Grid-Filament

    15

    Grid-Filament 15.0 uuf

  • Plate-Filament

    1.8

    Plate-Filament 1.8 uuf

  • Air Temperature

    45

    Air Temperature 45° C

  • Temperature

    150

    Temperature 150° C

  • Frequency [1]

    30

    Frequency 30 50 Megacycles

  • Frequency [2]

    50

    Frequency 30 50 Megacycles

  • Published value

    2.5 W

    2.5 Kilowatts Plate Dissipation Plate Input

  • AND MODULATOR—CLASS B DC Plate Voltage

    5000 V

    AND MODULATOR—CLASS B DC Plate Voltage 5,000 Volts

  • Maximum Ratings, Absolute Values DC Grid Voltage

    -800 V

    Maximum Ratings, Absolute Values DC Grid Voltage —800 Volts

  • DC Plate Voltage [1]

    6000 V

    DC Plate Voltage 6,000 Volts Peak R-F Grid Voltage 1,370 Volts

  • DC Plate Voltage [2]

    1370 V

    DC Plate Voltage 6,000 Volts Peak R-F Grid Voltage 1,370 Volts

  • Maximum Signal DC Plate Current* [1]

    2 mA

    Maximum Signal DC Plate Current* 2.0 Amperes DC Plate Current 0.74 Amperes

  • Maximum Signal DC Plate Current* [2]

    0.74 mA

    Maximum Signal DC Plate Current* 2.0 Amperes DC Plate Current 0.74 Amperes

  • Maximum Signal Plate Input* [1]

    6 mA

    Maximum Signal Plate Input* 6.0 Kilowatts DC Grid Current, Approximate 0.10 Amperes

  • Maximum Signal Plate Input* [2]

    0.1 mA

    Maximum Signal Plate Input* 6.0 Kilowatts DC Grid Current, Approximate 0.10 Amperes

  • Plate Dissipation* [1]

    2.5 W

    Plate Dissipation* 2.5 Kilowatts Driving Power, Approximate 130 Woatts

  • Plate Dissipation* [2]

    130 W

    Plate Dissipation* 2.5 Kilowatts Driving Power, Approximate 130 Woatts

  • Power Output, Approximate

    2.7 W

    Power Output, Approximate 2.7 Kilowatts

  • DC Plate Voltage

    5000 V

    DC Plate Voltage 5,000 Volts RADIO-FREQUENCY POWER AMPLIFIER AND

  • DC Grid Voltage —

    150 V

    DC Grid Voltage — 150 Volts OSCILLATOR—CLASS C TELEGRAPHY

  • Peak A-F Grid-to-Grid Voltage

    1260 V

    Peak A-F Grid-to-Grid Voltage 1,260 Volts {Key-down conditions per tube without amplitude modulation)t

  • Zero Signal DC Plate Current

    400 mA

    Zero Signal DC Plate Current 0.4 Amperes

  • Maximum Signal DC Plate Current

    2.25 mA

    Maximum Signal DC Plate Current 2.25 Amperes

  • Effective Load Resistance, DC Plate Voltage

    6000 V

    Effective Load Resistance, DC Plate Voltage 6,000 Volts

  • Plate to Plate [1]

    4000 V

    Plate to Plate 4,000 Ohms DC Grid Voltage — 2,000 Volts

  • Plate to Plate [2]

    2000 V

    Plate to Plate 4,000 Ohms DC Grid Voltage — 2,000 Volts

  • Maximum Signal Driving Power, DC Plate Current

    2 mA

    Maximum Signal Driving Power, DC Plate Current 2.0 Amperes

  • Approximate [1]

    175 mA

    Approximate 175 Watts DC Grid Current 0.2 Amperes

  • Approximate [2]

    0.2 mA

    Approximate 175 Watts DC Grid Current 0.2 Amperes

  • Maximum Signal Power Output, Plate Input

    12 W

    Maximum Signal Power Output, Plate Input 12 Kilowatts

  • Approximate [1]

    7.2 W

    Approximate 7.2 Kilowatts Plate Dissipation 2.5 Kilowatts

  • Approximate [2]

    2.5 W

    Approximate 7.2 Kilowatts Plate Dissipation 2.5 Kilowatts

  • RADIO-FREQUENCY POWER AMPLIFIER—CLASS B DC Plate Voltage

    6000 V

    RADIO-FREQUENCY POWER AMPLIFIER—CLASS B DC Plate Voltage 6,000 Volts

  • (Carrier conditions per tube for use with a maximum DC Grid Voltage

    -800 V

    (Carrier conditions per tube for use with a maximum DC Grid Voltage —800 Volts

  • modulation factor of [1]

    1

    modulation factor of 1.0} Peak R-F Grid VYoltage 1,510 Volts

  • modulation factor of [2]

    1510

    modulation factor of 1.0} Peak R-F Grid VYoltage 1,510 Volts

  • Maximum Ratings, Absolute Values DC Plate Current

    1.4 mA

    Maximum Ratings, Absolute Values DC Plate Current 1.4 Amperes

  • DC Grid Current, Approximate

    0.16 mA

    DC Grid Current, Approximate 0.16 Amperes

  • DC Plate Voltage

    6000 V

    DC Plate Voltage 6,000 Volts

  • Driving Power, Approximate

    225 W

    Driving Power, Approximate 225 Woatts

  • DC Plate Current

    1.5 A

    DC Plate Current 1.5 Amperes

  • Power Output, Approximate

    6 W

    Power Output, Approximate 6 Kilowatts

  • Plate Input

    3.75

    Plate Input 3.75 Kilowatts

  • Plate Dissipation [1]

    2.5 W

    Plate Dissipation 2.5 Kilowatts of the envelope does not exceed 115 per cent of the carrier

  • Plate Dissipation [2]

    115 W

    Plate Dissipation 2.5 Kilowatts of the envelope does not exceed 115 per cent of the carrier

  • DC Grid Voltage —

    160 V

    DC Grid Voltage — 160 Volts RADIO FREQUENCY POWER AMPLIFIER AND

  • Peak R-F Grid Voltage

    300 V

    Peak R-F Grid Voltage 300 Volts OSCILLATOR—PULSED OPERATION

  • DC Plate Current

    560 mA

    DC Plate Current 0.56 Amperes

  • DC Grid Current, Approximate

    0 mA

    DC Grid Current, Approximate 0.0 Amperes Maximum Ratings, Absolute Values

  • Driving Power, Approximate** [1]

    47 V

    Driving Power, Approximate** 47 Watts DC Plate Voltage 17,500 Volts

  • Driving Power, Approximate** [2]

    17500 V

    Driving Power, Approximate** 47 Watts DC Plate Voltage 17,500 Volts

  • Power Output, Approximate [1]

    1 V

    Power Output, Approximate 1 Kilowatt DC Grid Voltage — 5,000 Volts

  • Power Output, Approximate [2]

    5000 V

    Power Output, Approximate 1 Kilowatt DC Grid Voltage — 5,000 Volts

  • **At crest of audio-frequency cycle with modulation factor of [1]

    1 A

    **At crest of audio-frequency cycle with modulation factor of 1.0 Peak Cathode Current 35 Amperes

  • **At crest of audio-frequency cycle with modulation factor of [2]

    35 A

    **At crest of audio-frequency cycle with modulation factor of 1.0 Peak Cathode Current 35 Amperes

  • Plate Dissipation$

    1.2 W

    Plate Dissipation$ 1.2 Kilowatts

  • PLATE-MODULATED RADIO-FREQUENCY POWER Duty Cycle

    30 W

    PLATE-MODULATED RADIO-FREQUENCY POWER Duty Cycle .030

  • DC Plate Voltage [1]

    5000 V

    DC Plate Voltage 5,000 Volts DC Plate Voltage 15,500 Volts

  • DC Plate Voltage [2]

    15500 V

    DC Plate Voltage 5,000 Volts DC Plate Voltage 15,500 Volts

  • DC Grid Voltage — [1]

    2000 V

    DC Grid Voltage — 2,000 Volts DC Grid Voltage (during pulse)] —750 Volts

  • DC Grid Voltage — [2]

    -750 V

    DC Grid Voltage — 2,000 Volts DC Grid Voltage (during pulse)] —750 Volts

  • DC Plate Current [1]

    1.5 A

    DC Plate Current 1.5 Amperes DC Plate Current 0.20 Amperes

  • DC Plate Current [2]

    200 mA

    DC Plate Current 1.5 Amperes DC Plate Current 0.20 Amperes

  • DC Grid Current [1]

    200 mA

    DC Grid Current 0.2 Amperes DC Grid Current .013 Amperes

  • DC Grid Current [2]

    13 A

    DC Grid Current 0.2 Amperes DC Grid Current .013 Amperes

  • Plate Input [1]

    7.5

    Plate Input 7.5 Kilowatts Duty Cycle .023

  • Plate Input [2]

    23

    Plate Input 7.5 Kilowatts Duty Cycle .023

  • Plate Dissipation [1]

    1.6 W

    Plate Dissipation 1.6 Kilowatts Peak Power Outpur 90 Kilowatts

  • Plate Dissipation [2]

    90 W

    Plate Dissipation 1.6 Kilowatts Peak Power Outpur 90 Kilowatts

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