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

A5110W

51 cm-class monochrome television picture tube documented for direct-view television service, using high-voltage CRT operation and manufacturer-specified magnetic deflection and focusing.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
EIGHTAR7
Base pins
-
Nominal heater
6.3 V / 360 mA

Description

51 cm rectangular picture tube with 110° 2. Typical Operating Conditions deflection angle, electrostatic focusing, aluminized screen and steel reinforcement

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
6.3 V
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

  • A51

    -10 W

  • Published value

    51 cm

  • Ui @

    63 V

  • Ug3a

    5 a

  • Ug3a5a (2)

    20 kv

  • Vg2 400

    500 V

  • Ugs @ 0...400

    0 to 400 V

  • {(-Ug) cutott@ 40... 77

    50 to 83 V

  • Uccutor@ 36... 66

    45 to 79 V

  • 92 99 Ug3gsa mex )

    20 kV

  • Ugflgsa min @

    13 kV

  • Rg3g

    5 a

  • Published value

    9 k

  • Ra4 min

    470 ohm

  • Ug2 max

    550 V

  • Y min

    350 V

  • A2 min

    470 ohm

  • Electron Gun Tetrode with Einzel- {=Ug1) max

    150 V

  • Lens Ylp max

    2 V

  • Bulb All-Glass Type (=Ua1) p max

    400 V

  • Deflection Method Magnetic _ U_ ik max 1 @_@

    410 V

  • Deflection Angles Diagonal 110° U_ikmax 2 @ & 25!

    3 V

  • Neck Diameter

    28.6 mm

  • Face Shape Spherical Zf

    1 k

Capacitance

  • 49 % approx.) Cgl approx.

    6 pF

  • minized Cg3g

    5 a

  • minized Cg3g5a/m min (2)

    1400 pF

  • Fluorescence Colour White 8

    2100 pF

  • Cg3g

    5 a

  • Colour Tem perature 12

    0 °K

  • Colour Tem perature 12 000 °K (approx.) Cg3g (2)

    5 a

  • Colour Tem perature 12 000 °K (approx.) Cg3g5a/m’ __approx. (3)

    390 pF

  • Minimum Useful 384 x

    308 mm

  • Dimensions Diagonal

    473 mm

  • Overall Length 321,5

    6.5 mm

  • A51

    -10 W