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

F5666

Rugged water-cooled power triode for RF amplification, oscillation, Class B modulation, and industrial RF-heating service. Approximately 12.5 kW plate dissipation and high-voltage capability support substantial continuous professional RF power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
11 V / 120 A

Description

Federal F-5666 rugged water-cooled power triode for RF amplifier, oscillator, Class B modulator and RF-heating service; 12.5 kW 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
120 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
10000 V
Max plate dissipation
12500 W
Max cathode current
7.5 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

    12.5 W

    12.5 Kilowatts Plate Dissipation

  • place the Type

    889

    place the Type 889-A. The anode (heavy wall de-

  • Operation at

    50

    Operation at 50 megacycles is permissible with plate

  • ) Filament Voltage

    11 V

    ) Filament Voltage 11.0 Volts

  • p Filament Current

    120 A

    p Filament Current 120 Amperes

  • D Filament Starting Current

    180 mA

    D Filament Starting Current 180 Amperes Max.

  • ) Filament Cold Resistance

    83

    ) Filament Cold Resistance .0083 Ohms

  • ) Peak Cathode Current

    7.5 A

    ) Peak Cathode Current 7.5 Amperes

  • Grid-Plate

    17.5

    Grid-Plate 17.5 ppf

  • Grid-Filament

    23.3

    Grid-Filament 23.3 pput

  • Plate-Filament

    2.7

    Plate-Filament 2.7 ppuf

  • Water Flow on Anode

    5

    Water Flow on Anode 5 GPM

  • Water Temperature

    70

    Water Temperature 70° C

  • Temperature

    160

    Temperature 160° C

  • DC Plate Voltage [1]

    10000 V

    DC Plate Voltage 10,000 VYolts DC Plate Voltage 8,000 Volts

  • DC Plate Voltage [2]

    8000 V

    DC Plate Voltage 10,000 VYolts DC Plate Voltage 8,000 Volts

  • Maximum Signal DC Plate DC Grid Voltage —

    1500 V

    Maximum Signal DC Plate DC Grid Voltage — 1,500 Volts

  • Current**

    2 A

    Current** 2 Amperes

  • DC Plate Current

    1 A

    DC Plate Current 1.0 Ampere

  • Maximum Signal Plate Input**

    16

    Maximum Signal Plate Input** 16 Kilowatts

  • DC Grid Current

    350 mA

    DC Grid Current 0.35 Ampere

  • Plate Dissipation**

    12.5 W

    Plate Dissipation** 12.5 Kilowatts

  • Plate Input

    8

    Plate Input 8 Kilowatts

  • Plate Dissipation

    7.5 W

    Plate Dissipation 7.5 Kilowatts

  • DC Plate VYoltage

    7500

    DC Plate VYoltage 7,500 Volts

  • DC Plate Voltage [1]

    6000 V

    DC Plate Voltage 6,000 7,500 Volts

  • DC Plate Voltage [2]

    7500 V

    DC Plate Voltage 6,000 7,500 Volts

  • DC Grid Voltage

    -300 V

    DC Grid Voltage —300 Volts

  • DC Grid Voltage [1]

    -900 V

    DC Grid Voltage —900 —1,200 Volts

  • DC Grid Voltage [2]

    -1200 V

    DC Grid Voltage —900 —1,200 Volts

  • Peak A-F Grid to Grid Yoltage

    1700

    Peak A-F Grid to Grid Yoltage 1,700 Volts

  • Peak R-F Grid Voltage [1]

    1420 V

    Peak R-F Grid Voltage 1,420 1,700 Volts

  • Peak R-F Grid Voltage [2]

    1700 V

    Peak R-F Grid Voltage 1,420 1,700 Volts

  • Zero Signal DC Plate Current

    400 mA

    Zero Signal DC Plate Current 0.4 Ampere

  • DC Plate Current [1]

    1 A

    DC Plate Current 1.0 .88 Ampere

  • DC Plate Current [2]

    88 A

    DC Plate Current 1.0 .88 Ampere

  • Maximum Signal DC Plate Current

    3.2 mA

    Maximum Signal DC Plate Current 3.2 Amperes

  • DC Grid Current, approx [1]

    100 mA

    DC Grid Current, approx. 0.1 .08 Ampere

  • DC Grid Current, approx [2]

    8 A

    DC Grid Current, approx. 0.1 .08 Ampere

  • Driving Power, approx [1]

    140 W

    Driving Power, approx. 140 140 Watts

  • Driving Power, approx [2]

    140 W

    Driving Power, approx. 140 140 Watts

  • Plate to Plate

    5000

    Plate to Plate 5,000 Qhms

  • Power Output, approx [1]

    4 W

    Power Output, approx. 4 5 Kilowatts

  • Power Output, approx [2]

    5 W

    Power Output, approx. 4 5 Kilowatts

  • DC Plate Voltage

    10000 V

    DC Plate Voltage 10,000 Volts

  • RADIO-FREQUENCY POWER AMPLIFIER DC Grid Voltage —

    1500 V

    RADIO-FREQUENCY POWER AMPLIFIER DC Grid Voltage — 1,500 Volts

  • —CLASS B TELEPHONY DC Plate Current

    2 A

    —CLASS B TELEPHONY DC Plate Current 2 Amperes

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

    0.35 mA

    (Carrier conditions per tube for use with a maximum DC Grid Current 0.35 Ampere

  • Maximum Ratings Plate Dissipation

    12.5 W

    Maximum Ratings Plate Dissipation 12.5 Kilowatts

  • Plate Input [1]

    10 V

    Plate Input 10 Kilowatts DC Plate Voltage 6,000 7,500 9,000 Volts

  • Plate Input [2]

    6000 V

    Plate Input 10 Kilowatts DC Plate Voltage 6,000 7,500 9,000 Volts

  • Plate Input [3]

    7500 V

    Plate Input 10 Kilowatts DC Plate Voltage 6,000 7,500 9,000 Volts

  • Plate Input [4]

    9000 V

    Plate Input 10 Kilowatts DC Plate Voltage 6,000 7,500 9,000 Volts

  • Plate Dissipation [1]

    12.5 V

    Plate Dissipation 12.5 Kilowatts Filament Voltage 10.6 10.7 10.8 Volts

  • Plate Dissipation [2]

    10.6 V

    Plate Dissipation 12.5 Kilowatts Filament Voltage 10.6 10.7 10.8 Volts

  • Plate Dissipation [3]

    10.7 V

    Plate Dissipation 12.5 Kilowatts Filament Voltage 10.6 10.7 10.8 Volts

  • Plate Dissipation [4]

    10.8 V

    Plate Dissipation 12.5 Kilowatts Filament Voltage 10.6 10.7 10.8 Volts

  • DC Grid Voltage [1]

    -500 V

    DC Grid Voltage —500 —600 —750 Yolts

  • DC Grid Voltage [2]

    -600 V

    DC Grid Voltage —500 —600 —750 Yolts

  • DC Grid Voltage [3]

    -750 V

    DC Grid Voltage —500 —600 —750 Yolts

  • Voltage [1]

    1200 V

    Voltage 1,200 1,400 1,700 Volts

  • Voltage [2]

    1400 V

    Voltage 1,200 1,400 1,700 Volts

  • Voltage [3]

    1700 V

    Voltage 1,200 1,400 1,700 Volts

  • DC Plate Voltage

    9000 V

    DC Plate Voltage 9,000 Volts

  • DC Plate Current [1]

    1.6 A

    DC Plate Current 1.6 1.8 2.0 Amps.

  • DC Plate Current [2]

    1.8 A

    DC Plate Current 1.6 1.8 2.0 Amps.

  • DC Plate Current [3]

    2 A

    DC Plate Current 1.6 1.8 2.0 Amps.

  • DC Grid Voltage

    -350 V

    DC Grid Voltage —350 Volts

  • DC Grid Current, approx [1]

    19 A

    DC Grid Current, approx. .19 .20 .21 Amps.

  • DC Grid Current, approx [2]

    20 A

    DC Grid Current, approx. .19 .20 .21 Amps.

  • DC Grid Current, approx [3]

    21 A

    DC Grid Current, approx. .19 .20 .21 Amps.

  • Peak R-F Grid Voltage

    450 V

    Peak R-F Grid Voltage 450 Volts

  • Driving Power, approx [1]

    220 W

    Driving Power, approx. 220 270 340 Watts

  • Driving Power, approx [2]

    270 W

    Driving Power, approx. 220 270 340 Watts

  • Driving Power, approx [3]

    340 W

    Driving Power, approx. 220 270 340 Watts

  • DC Plate Current

    800 mA

    DC Plate Current 0.8 Ampere

  • Power Output, approx [1]

    6.3 kW

    Power Output, approx. 6.3 8.9 12.2 KW.

  • Power Output, approx [2]

    8.9 kW

    Power Output, approx. 6.3 8.9 12.2 KW.

  • Power Output, approx [3]

    12.2 kW

    Power Output, approx. 6.3 8.9 12.2 KW.

  • Driving Power, Approximatet

    110 W

    Driving Power, Approximatet 110 Watts

  • Power Output, Approximate

    2.5 W

    Power Output, Approximate 2.5 Kilowatts

  • of the audio-frequency envelope does not exceed

    115

    of the audio-frequency envelope does not exceed 115% of the

  • Federal’s F

    5666 W

    Federal’s F-5666 is a “must’ for equip- FEDERAL POWER TRIODE

  • ;e | GRID CHARACTERISTICS F

    5666

    ;e | GRID CHARACTERISTICS F-5666

  • FEDERAL POWER TRIODE Federal’'s F

    5666 W

    FEDERAL POWER TRIODE Federal’'s F-5666 has the rugged de-

  • The long life qualities of F

    5666 W

    The long life qualities of F-5666 are FEDERAI‘ POWER TRIODE

Data set 02

1962 ITT Industrial and Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • FilamentStartingCurrent

    180 A

  • Peak Cathode Current

    7.5 A

  • AnodeCoolingMethod

    Water

  • MaximumOperatingFrequency

    22.5 MHz full rating; 50 MHz reduced rating

  • Maximum Anode Dissipation

    12500 W

    Absolute maximum / applicable service

Capacitance

  • GridPlateCapacitance

    17.5 pF

  • GridFilamentCapacitance

    23.3 pF

  • PlateFilamentCapacitance

    2.7 pF