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Power - Beam (NOT sweep) ·BeamPower

PL177WA

Ruggedized beam pentode designed for low-distortion linear RF and audio power service, a severe-service version of the PL177A family.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7A
Base pins
7
Nominal heater
6 V / 3.2 A

Description

The Penta PL177WA is a ruggedized version of the pl177a beam pentode for low-distortion linear rf/audio service.

Socket description

Septar 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7A
Base pins
7
Nominal heater voltage
6 V
Nominal heater current
3.2 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
0.0045 S
Amplification factor
5
Max plate voltage
2000 V
Max screen voltage
600 V
Max plate dissipation
75 W
Max grid dissipation
5 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

    6 V

  • Heater/filament current

    3.2 A

  • Amplification factor

    5

  • Transconductance

    4500 uS

Other

  • Maximum plate voltage

    2000 V

  • Maximum screen voltage

    600 V

  • Maximum plate dissipation

    75 W

  • Maximum control-grid dissipation

    5 W

  • Source language

    English

Capacitance

  • Grid-plate capacitance

    0.06 pF

  • Input capacitance

    7.5 pF

  • Output capacitance

    4.2 pF

Application

  • Primary application

    Ruggedized version of the PL177A beam pentode for low-distortion linear RF/audio service.

  • Ruggedized version of

    PL177A

Construction

  • Cooling

    Radiation/convection or source-specific

  • Electrode structure

    Pentode