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Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Cathode Ray ·CathodeRay

A4110W

European rectangular monochrome television picture tube with electrostatic focusing, magnetic deflection, and an aluminized or metal-backed screen. Manufacturer documentation supports direct-view receiver service with wide-angle deflection and compact cabinet geometry.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
EIGHTAR7
Base pins
-
Nominal heater
-

Description

41 cm rectangufar picture tube with 110° 2. Typical Operating Condifions deflection angle, electrostatic focusing, aluminized screen and steel jacket in-

Socket description

Eightar 7-contact CRT base family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
EIGHTAR7
Base pins
-
Nominal heater voltage
-
Nominal heater current
360 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

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CRT section. Maximum ratings, operating conditions, capacitances, optical and mechanical values are preserved as parameters where published.

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

1976 ITT Picture Tubes

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Published value

    41 cm

  • I 03+

    6 %

  • Ug2 .

    400 V

  • 938959 Ugs ® =T

    0 to 400 V

  • Uk cutoff @_ i £

    58 v

  • k Uq3g

    5 a

  • k Uq3g5a max @ (2)

    18 kV

  • Published value

    13 kV

  • Published value

    1000 V

  • (-Uqa) max

    500 V

  • Ugfl max

    550 A

  • 1. Generalities Ug? min

    200 V

  • Lens Ug'l P omax

    2 V

  • DIM 44431 Zg] max

    0.5 MQ

  • (Short Design) Plm max

    10 mW/cm

  • Deflection Method Magnetic U_itkemax2 @ @

    200 V

  • Deflection Angles Diagonal 1107 Utk max

    135 V

  • MNeck Diameter

    28.6 mm

Capacitance

  • Material Filter-Glass G ' approx.

    6 pF

  • (Light Transmission ok approx.

    5 pF

  • 63 %/ approx.) Cg3g

    5 a

  • Screen Phosphor P4 Alu- Calg5alm min

    800 pF

  • Colour Temperature 12

    0 °K

  • Dimensions Diagonal

    372 mm

  • Overall Length 273+

    7 mm

  • Weight

    4.2 kg

  • A41

    -10 W