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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

30P1S

Russian beam-power output tube for low-frequency power amplification, combining about 10 mS transconductance with substantial current at relatively modest supply voltage.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
30 V / 300 mA

Description

The 30P1S is an indirectly heated output beam tetrode for low-frequency power amplification.

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
30 V
Nominal heater current
300 mA
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
Max plate voltage
250 V
Max screen voltage
110 V
Max plate dissipation
7 W
Max screen dissipation
1.5 W

Published ratings/characteristics promoted where clearly identified; additional bilingual values retained 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

195X Russian

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Grid 1 voltage

    -7.5 V

    Published operating point

  • Anode current

    70 mA

    Published value

  • Transconductance

    10 mA/V

    Published nominal

  • Input capacitance

    19 pF

    Interelectrode

  • Transfer capacitance

    1 pF

    Interelectrode

  • Output capacitance

    15 pF

    Interelectrode

  • Guaranteed service life

    500 h

    Published guarantee

Data set 02

1970 Russian Tubes Mashpriborintorg

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Guaranteed service life

    500 h

    PublishedGuarantee

  • Transconductance

    10 mA/V

    PublishedElectricalCharacteristics