5C4S

Russian two-anode full-wave rectifier for general-purpose AC power-supply service. Available translated manufacturer documentation confirms conventional vacuum rectification but provides limited verified numerical ratings.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 4.5 V / -

Description

5C4S rectifier from a Russian vacuum-tube reference; technical description translated to English.

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: 4.5 V
Nominal heater current: -
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

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Electrical values extracted only from the filename-designated tube block; page-edge fragments excluded.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical rectifier section; promoted electrical properties populated from identical section.

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

Rectifier

Characteristics

Heater voltage
4.5—5.5 V
Напряжение накала . . . . . .. .. ., 4,5—5,5 В
Plate current
750 mA
Ток анода (амплитудное значение). . . . ‚ 750 мА
Plate current
300 mA
Ток анода (при Ш=50 Б) й ‚ , — 300 мА
Rectified current
47 kΩ
Выпрямленный ток (при И,==500 В Кн=47 кОм, С=
Service life
>2000 h
Наработка МАЕ о ж о яа в ее ч в в в е > 2000 ч
Heater voltage
4.5 в
Напряжение накала. , ,. . .. .Ёа 4,5 в
Rectified current
62 mA
Выпрямленный ток (среднее значение) е вевеь о 62 мА
Plate current
8375 mA
Ток анода (амплитудное значение) . , . . . . , , 8375 мА

Other

Reverse voltage
1700 V
Обратное напряжение . . о., 1700 В
Reverse voltage
1.35 КВ
Обратное напряжение . , , в оч евоое 1,35 КВ

SECTION 2

Rectifier

Characteristics

Heater voltage
4.5—5.5 V
Напряжение накала . . . . . .. .. ., 4,5—5,5 В
Plate current
750 mA
Ток анода (амплитудное значение). . . . ‚ 750 мА
Plate current
300 mA
Ток анода (при Ш=50 Б) й ‚ , — 300 мА
Service life
>2000 h
Наработка МАЕ о ж о яа в ее ч в в в е > 2000 ч
Heater voltage
4.5 в
Напряжение накала. , ,. . .. .Ёа 4,5 в

Other

Reverse voltage
1700 V
Обратное напряжение . . о., 1700 В