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Specialized - Cathode Ray ·CathodeRay

23HWP4A

Large P4 monochrome television picture tube designed for high-voltage direct-view service, using manufacturer-specified focusing, magnetic deflection, and beam-control arrangements for type 23HWP4A.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12D
Base pins
7
Nominal heater
6.9 V / 20 A

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
7
Nominal heater voltage
6.9 V
Nominal heater current
20 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

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances
Max screen voltage
10 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

  • I 10° MAGNETIC DEFLECTION

    10 V

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

  • Grid No.1 to all other electrodes

    6 pF

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

  • ,~"~ — published value 1

    1700 mA

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

  • ,~"~ — published value 2

    2500 mA

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

  • Heater 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.

  • Heater Current at 6.3 V — published value 2

    450 mA

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

  • Heater Current at 6.3 V — published value 3

    20 mA

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

  • Light transmission a; center (Approx.)

    42

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

  • Projected Area of Screen

    282

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

  • PI n 1 —Heater

    1

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

  • Pln 3 -Grid ho.2

    3

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

  • Anode Voltage — published value 1

    12000 V

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

  • Anode Voltage — published value 2

    22000 V

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

  • Grid-No.2 Voltage — published value 1

    30 V

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

  • Grid-No.2 Voltage — published value 2

    70 V

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

  • Heater Voltage — published value 1

    5 V

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

  • Heater Voltage — published value 2

    7 V

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

  • Heater Voltage — published value 3

    6.9 V

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

  • Combined AC & DC voltage

    200 V

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

  • Anode Voltage

    16000 V

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

  • Grid-No.4 Voltage — published value 1

    0 V

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

  • Grid-No.4 Voltage — published value 2

    400 V

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

  • Grid-No.2 Voltage

    50 V

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

  • Cathode Voltage — published value 1

    32 V

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

  • Cathode Voltage — published value 2

    50 V

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

  • Grid-No. l Circuit Resistance

    1.5 mA

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