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

PL6580

Penta high-mu power triode for grounded-grid RF amplifier service. Approximately 400 W plate dissipation and multi-kilovolt capability extend the PL6569 concept to greater transmitter power while retaining high-gain characteristics.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
GIANT5
Base pins
-
Nominal heater
5 V / 14.5 A

Description

The Penta PL6580 is a 400 w high-mu power triode for grounded-grid rf amplifier service.

Socket description

Giant 5-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
GIANT5
Base pins
-
Nominal heater voltage
5 V
Nominal heater current
14.5 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
0.0065 S
Amplification factor
45
Max plate voltage
4000 V
Max plate dissipation
400 W

Highest reliable published rating promoted; additional values and operating/application details retained as parameter rows.

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

1965 Penta Labs Power Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater/filament voltage

    5 V

  • Heater/filament current

    14.5 A

  • Amplification factor

    45

  • Transconductance

    6500 uS

Other

  • Maximum plate voltage

    4000 V

  • Maximum plate dissipation

    400 W

  • Source language

    English

  • Grounded-grid power gain

    10 x

Capacitance

  • Grid-plate capacitance

    7.6 pF

  • Input capacitance

    3.9 pF

  • Output capacitance

    0.1 pF

Application

  • Primary application

    400 W high-mu power triode for grounded-grid RF amplifier service.

Construction

  • Cooling

    Radiation/convection or source-specific

  • Electrode structure

    Triode