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Diode (NOT rectifier) ·Diode-Diode

6X6S

Russian octal double diode designed for signal detection, with two similar diode sections.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

Russian diode 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
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

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
465 V
Rectifier nominal output current
8.8 mA
Rectifier peak forward current
176 mA

Promoted fields are taken from the published electrical-characteristics and maximum-permissible-ratings tables in the approved bilingual source; repeated identical sections are represented once where applicable.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical Diode section added for documented double-diode construction.

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

1970 Russian Tubes Mashpriborintorg

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristics

  • Rectified current

    16 mA

    PerAnode TransformerSecondary=165V

  • Anode current range

    3 mA

    Min

  • Anode current range

    24 mA

    Max

Other

  • Maximum heater-to-cathode voltage

    360 V

Data set 02

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristics

  • Plate current

    24 mA

    Translated from Russian source; Начальный ток анода (при И,=0 и Кн=34 кОм) 3—24 мка

Other

  • Heater voltage

    6.8 V

    Translated from Russian source; Напряжение накала 5,7—6,8 В

  • Peak inverse voltage

    465 V

    Translated from Russian source; Обратное напряжение . 465 В