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Power - Beam (NOT sweep) ·BeamPower

8298

VHF beam-power pentode designed for RF amplifier and oscillator service, also usable as an audio amplifier or modulator.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.75 V / 1.165 A

Description

VHF beam-power pentode for RF amplifier and oscillator service, also usable as an audio amplifier or modulator.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
8
Nominal heater voltage
6.75 V
Nominal heater current
1.165 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
Max plate voltage
750 V
Max screen voltage
250 V
Max plate dissipation
25 W
Max cathode current
135 mA

Published electrical limits and characteristics promoted from the approved source; non-schema quantities are retained 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.75 V

    Nominal

  • HeaterCurrentNominal

    1.165 A

    Nominal

  • MaximumPlateOrOperatingVoltage

    750 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    25 W

  • Maximum Cathode Current

    135 mA

  • HeaterVoltageNominal

    6.75 V

Characteristic

  • PeakSignalPowerOutput

    90 W

    ICAS RF power amplifier