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

3W5000F3

Medium-mu water-cooled power triode with flexible leads for high-power amplifier, oscillator, or modulator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
15 V / 51 A

Description

The EIMAC 3W5000F3 is a medium-mu water-cooled power triode with flexible leads for amplifier, oscillator or modulator 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
15 V
Nominal heater current
51 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
Transconductance
0.02 S
Amplification factor
20
Max plate voltage
6000 V
Max plate dissipation
5000 W
Max grid dissipation
150 W
Max cathode current
2.5 A

Maximum ratings promoted from the printed service-rating tables; typical operating values are preserved as parameters.

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 Eimac

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Amplification factor

    20

  • Transconductance

    20000 uS

Other

  • Maximum DC plate voltage

    6000 V

  • Maximum plate dissipation

    5000 W

  • Representative maximum-signal plate current

    2.5 A

Data set 02

1965 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater/filament voltage

    7.5 V

  • Heater/filament current

    51.5 A

  • Amplification factor

    20

  • Transconductance

    20000 uS

Capacitance

  • Input/grid-cathode capacitance

    35 pF

  • Output/plate-cathode capacitance

    0.9 pF

  • Feedback/grid-plate capacitance

    20 pF

Other

  • Maximum plate voltage

    6000 V

  • Maximum plate dissipation

    5000 W

  • Maximum grid dissipation

    150 W

  • Maximum plate/cathode current

    2.5 A

  • Frequency for maximum ratings

    30 MHz

  • Typical RF plate voltage

    4000 V

    ClassC

  • Typical RF output power

    7500 W

    ClassC

  • Typical RF output power

    10000 W

    PlateVoltage=5000V