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Diode (NOT rectifier) ·Diode-Diode

6X2PER

Russian dual-diode variant documented with electrical characteristics but insufficient application information for a narrower functional assignment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

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

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
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
420 V

Filename-matched Russian source entry only.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical diode section added in approved section-structure reconciliation.

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

Diode

Characteristics

  • Heater current

    300 mA

    Translated from Russian source; Ток накала, мА . . . . 300 +25 30025 30015 300--25 300

Other

  • Service life

    500 h

    Translated from Russian source; Наработка, ч .. 2>5000 2>5000 2>5000 2>500 —

  • Heater voltage

    6.9 V

    Translated from Russian source; Напряжение накала, В 5,7—6,9 5,7—1 6—6,6 5,7—7 5,7—6,9

  • Peak inverse voltage

    420 V

    Translated from Russian source; Обратное напряжение, В 450 450 500 450 420