5C3S

Russian two-anode directly heated kenotron for general-purpose AC rectification. It provides approximately 250 mA DC output with high peak inverse-voltage capability for conventional power supplies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 4.5 V / 3 A

Description

The 5C3S is a glass two-anode directly heated kenotron for general-purpose AC rectification.

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: 3 A
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

Rectifier peak inverse voltage: 1700 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 750 mA

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

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1700 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 750 mA

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

195X Russian

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Anode current
225 mA
Minimum; each anode separately at 75 V
Rectified current
230 mA
Minimum; 2 x 250 V AC, 2000 Ohm load, 4 uF capacitor
Rectified current after 500 h
230 mA
Minimum

Other

Inverse peak voltage
1700 V
Published limit
Peak anode current
750 mA
Published limit
Rectified current
250 mA
Published limit

Data set 02

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Plate current
225 mA
Ток анода (при (,=75 В): к о.н. . 225 мА
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

Plate current
225 mA
Ток анода (при (,=75 В): к о.н. . 225 мА
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

Other

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