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Rectifier - TV Line Scan Boost ·Rectifier

1C20B

Russian subminiature high-voltage rectifier specifically intended to convert television line-flyback pulses into DC for the CRT high-voltage supply.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 1.1 V / 30 mA

Description

Subminiature high-voltage rectifier for converting television line-flyback pulses to DC.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 1.1 V
Nominal heater current: 30 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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 10000 V

Values promoted where clearly identifiable from Russian source.

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

Characteristic

Plate current
23.5 mA
Published Russian-source value; OCR-normalized.
Rectified output current
6 kV
Published Russian-source value; OCR-normalized.
Service life
21500 h
Published Russian-source value; OCR-normalized.
Rectified output current
135 µA
Published Russian-source value; OCR-normalized.
Peak inverse voltage
10 kV
Published Russian-source value; OCR-normalized.
Rectified output current
300 µA
Published Russian-source value; OCR-normalized.
Plate current
12 mA
Published Russian-source value; OCR-normalized.
Rectified output current
18 kV
Published Russian-source value; OCR-normalized.
Service life
2000 h
Published Russian-source value; OCR-normalized.
Heater voltage
1.1 V
Nominal/published heater value.
Heater current
30 mA
Nominal/published heater value.