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Power - Beam (NOT sweep) (over 1000V 100W) ·BeamPower

PL8166

High-power beam tetrode with 1000-watt plate dissipation designed for RF and audio amplifier or modulator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
GIANT5
Base pins
5
Nominal heater
7.5 V / 21 A

Description

The Penta PL8166 is a beam-power tetrode with 1000 w plate dissipation for rf and audio amplifier/modulator 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
5
Nominal heater voltage
7.5 V
Nominal heater current
21 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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.01 S
Amplification factor
7
Max plate voltage
4000 V
Max screen voltage
800 V
Max plate dissipation
1000 W
Max grid dissipation
25 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

Beam Power

Characteristic

  • Heater/filament voltage

    7.5 V

  • Heater/filament current

    21 A

  • Amplification factor

    7

  • Transconductance

    10000 uS

Other

  • Maximum plate voltage

    4000 V

  • Maximum screen voltage

    800 V

  • Maximum plate dissipation

    1000 W

  • Maximum control-grid dissipation

    25 W

  • Source language

    English

  • Maximum frequency for full ratings

    110 MHz

  • Plate dissipation rating

    1000 W

Capacitance

  • Grid-plate capacitance

    0.25 pF

  • Input capacitance

    28 pF

  • Output capacitance

    8.1 pF

Application

  • Primary application

    Beam-power tetrode with 1000 W plate dissipation for RF and audio amplifier/modulator service.

Construction

  • Cooling

    Forced air

  • Electrode structure

    Tetrode