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

23EGP22A

Twenty-three-inch 92-degree three-gun color television picture tube with electrostatic bipotential focusing and magnetic convergence/deflection. This revision uses a P22 rare-earth-red phosphor system for improved color display performance.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B14
Base pins
-
Nominal heater
6.3 V / 1.35 A

Description

Rare-earth-red phosphor revision of the 23EGP22 color television picture tube.

Socket description

Small-shell Diheptal 14-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B14
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
1.35 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 plate voltage
27500 V

Published CRT maximum ratings, operating conditions, capacitances, and deflection/focus data retained; X-ray precautions apply at elevated EHT.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Construction

  • Gun count

    3

  • Focus lens

    Bipotential

  • Phosphor revision

    P22 rare-earth red phosphor

Characteristics

  • Focusing method

    Electrostatic

  • Convergence method

    Magnetic

  • Deflection method

    Magnetic

  • Diagonal deflection angle

    92 deg

  • Horizontal deflection angle

    80 deg

  • Vertical deflection angle

    68 deg

  • Heater voltage nominal

    6.3 V

  • Heater current

    1.35 A

Capacitance

  • Grid1 capacitance per gun

    16 pF

  • All-cathodes capacitance

    10 pF

  • Focus-electrode capacitance

    12 pF

  • External coating capacitance minimum

    1800 pF

Other

  • Anode voltage maximum

    27500 V

  • Anode voltage minimum

    20000 V

  • Heater voltage maximum

    6.9 V

  • White-current share red

    27 %

  • White-current share blue

    33 %

  • White-current share green

    40 %

  • X-radiation data

    Not available in registration update

Application

  • Application

    Color television picture display