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Power - Tetrode (NOT beam) ·Tetrode

6V8S

Russian power tetrode documented with manufacturer technical characteristics and ratings. The available source establishes single-section tetrode construction and power-capable operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 475 mA

Description

Russian tetrode vacuum tube. Technical characteristics and ratings are taken from the complete filename-matched source entry.

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
6.3 V
Nominal heater current
475 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

Tetrode

X-ray radiationInterelectrode capacitances
Max plate dissipation
13.2 W

Filename-matched Russian source entry only.

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

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

  • Heater current

    -40 mA

    Translated from Russian source; Ток накала . . . . . . ,. ., ,. (475--40) мА

  • Plate current

    13 mA

    Translated from Russian source; Ток анода . . о, (462 13)мА

  • Screen current

    7.5 mA

    Translated from Russian source; Ток 2-й сетки . <7,5 мА

  • Transconductance

    1 mA/V

    Translated from Russian source; Крутизна характеристики ‚ мАР (4, 1:!:1 1) мА/В

  • Output capacitance

    3.6 pF

    Translated from Russian source; Выходная мощность при Кд—б кОм г о, >3,6 Вт

  • Plate resistance

    5.2 ohm

    Translated from Russian source; Внутреннее сопротивление . . э “ 5,2 кОм

  • Input capacitance

    1.6 pF

    Translated from Russian source; входная . . . . .. (9,5-=1,6) пФ

  • Output capacitance

    9.2 pF

    Translated from Russian source; выходная . . . Ё. , 3,8—9,2 пФ

  • Transfer capacitance

    0.9 pF

    Translated from Russian source; проходная . , х кеа ,. <0,9 пФ

  • Output capacitance

    2.3 pF

    Translated from Russian source; выходная мощность (при В, =5 кОм) . ‚ , >2,3 Вт

Other

  • Service life

    1000 h

    Translated from Russian source; Наработка . . э к в к, > 1000 ч

  • Heater voltage

    6.9 V

    Translated from Russian source; Напряжение накала . . . . . . 5,7—6,9 В

  • Plate dissipation

    13.2 W

    Translated from Russian source; Мощность, рассеиваемая анодом . . 13,2 Вт