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Power - Pentode (NOT beam) (over 1000V 100W) ·Pentode

F6003

Naturally cooled graphite-anode RF power pentode for telecommunications transmitters, rated to approximately 60 MHz and around 1 kW RF output. Designed for substantial radio-frequency transmitting power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
10 V / 10 A

Description

Naturally cooled graphite-anode RF power pentode for telecommunications transmitters, rated for operation through 60 MHz and about 1 kW RF output.

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
10 V
Nominal heater current
10 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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.0065 S
Max plate voltage
3000 V
Max screen voltage
800 V
Max plate dissipation
400 W
Max screen dissipation
80 W
Max cathode current
600 mA

Published promoted ratings/characteristics retained where readable; additional values are in TUBE_SECTION_PARAMETER.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Control-grid to screen-grid amplification ratio

    6.5 ratio

    Ia=175mA;Va=500V

  • Transconductance

    6500 uS

    Ia=200mA;Va=600V

Other

  • Maximum frequency

    60 MHz

  • Maximum plate voltage

    2500 V

    30<f<60MHz

  • Maximum plate dissipation

    350 W

    f>30MHz

  • Plate voltage

    2800 V

    ClassC;RFAmplifier;Telegraphy;f=30MHz

  • Screen-grid voltage

    600 V

    ClassC;RFAmplifier;Telegraphy;f=30MHz

  • Plate current

    470 mA

    ClassC;RFAmplifier;Telegraphy;f=30MHz

  • Drive power

    4.5 W

    ClassC;RFAmplifier;Telegraphy;f=30MHz

  • RF output power

    950 W

    ClassC;RFAmplifier;Telegraphy;f=30MHz

Capacitance

  • Grid-to-plate capacitance

    0.1 pF

  • Input capacitance

    24 pF

  • Output capacitance

    22 pF