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Tube Tinker — Electron Tube Database
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Specialized - Cathode Ray ·CathodeRay

23ERP4

Twenty-three-inch direct-view monochrome television picture tube with electrostatic focusing, magnetic deflection, and high-voltage operation. Manufacturer data documents its large-screen receiver-display construction, optical characteristics, and picture-tube operating limits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12D
Base pins
-
Nominal heater
6.3 V / -

Description

Direct-view cathode-ray picture tube for television display service, using picture-tube focusing and magnetic deflection. The supplied datasheet was used for heater data, electrode ratings, focus and deflection information, capacitances, optical data, screen characteristics, and applicable operating limits.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12D
Base pins
-
Nominal heater voltage
6.3 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

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances
Max screen voltage
14 V

CRT-specific ratings, operating conditions, capacitances, focus/deflection, cutoff, optical, and screen data are retained in section parameters.

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

1971 RCA HB3 Binder 1 of 7

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • 1 14° MAGNETIC DEFLECTION — published value 1

    1 V

    Published CRT datasheet value; multiple numbers on one source row represent separate limits or operating conditions.

  • 1 14° MAGNETIC DEFLECTION — published value 2

    14 V

    Published CRT datasheet value; multiple numbers on one source row represent separate limits or operating conditions.

  • Neater Current at 6.3 V — published value 1

    6.3 mA

    Published CRT datasheet value; multiple numbers on one source row represent separate limits or operating conditions.

  • Neater Current at 6.3 V — published value 2

    600 mA

    Published CRT datasheet value; multiple numbers on one source row represent separate limits or operating conditions.

  • Neater Current at 6.3 V — published value 3

    30 mA

    Published CRT datasheet value; multiple numbers on one source row represent separate limits or operating conditions.