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

D12150GH119

Philips instrument cathode-ray tube for oscilloscope or precision display service, using electrostatic beam control and manufacturer-specified focusing, acceleration, capacitance, screen, and deflection characteristics.

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

Description

Philips cathode-ray tube intended for oscilloscope or instrument-display service. The datasheet specifies screen, heating, electrostatic deflection, accelerator/focusing voltages, capacitances, operating characteristics, and limiting values as applicable.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

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

No fixed ratings are recorded for this section.

Published electrical ratings and operating data captured in promoted fields where directly applicable and additional parameter rows.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • e for compact oscilloscopes with up to

    0 MHz

    Published datasheet specification

  • Final accelerator voltage Vg

    10

    Published datasheet specification

  • First accelerator voltage Vg

    1.5

    Published datasheet specification

  • Minimum useful scan area

    0 mm

    Published datasheet specification

  • horizontal My

    8

    Published datasheet specification

  • vertical My

    0

    Published datasheet specification

  • Useful screen area >

    2 mm

    Published datasheet specification

  • Useful scan area >

    0 mm

    Published datasheet specification

  • Heater voltage V¢

    3 V

    Published datasheet specification

  • Heater current I

    1 A

    Published datasheet specification

  • Overall length (socket included) <

    99 mm

    Published datasheet specification

  • Published specification

    1

    Published datasheet specification

  • Published specification

    4

    Published datasheet specification

  • Published specification

    2

    Published datasheet specification

  • yjtoy?o Cy

    2

    Published datasheet specification

  • Control grid to all other elements Cg

    6.5 pF

    Published datasheet specification

  • Cathode to all other elements Ck

    2 pF

    Published datasheet specification

  • Focusing electrode to all other elements Cg

    8 pF

    Published datasheet specification

  • Fina! accelerator electrode to all other elements Cg

    140 pF

    Published datasheet specification

  • w (January

    986

    Published datasheet specification

  • detail A —

    24

    Published datasheet specification

  • pass through an opening of

    1 mm

    Published datasheet specification

  • The length of the connecting leads of the rotation coil is min

    50 mm

    Published datasheet specification

  • The centre of the final accelerator contact is situated within a square of

    0 mm

    Published datasheet specification

  • LU OIS SR s e R S

    8

    Published datasheet specification

  • Line thickness

    0.2 mm

    Published datasheet specification

  • w fianuary

    986

    Published datasheet specification

  • Mean deflection plate potentiai

    5

    Published datasheet specification

  • Shield voltage for optimum geometry Vg

    1.5

    Published datasheet specification

  • First accelerator and astigmatism control voitage Vg

    1.56

    Published datasheet specification

  • Grid

    2

    Published datasheet specification

  • Cut-off voltage for visual extinction of focused spot —Vg

    341068

    Published datasheet specification

  • Horizontal deflection coefficient My

    8

    Published datasheet specification

  • Vertical deflection coefficient My

    0

    Published datasheet specification

  • Grid drive for

    0 uA

    Published datasheet specification

  • Line width Lw. approx

    26 mm

    Published datasheet specification

  • Final accelerator voltage Vg

    2

    Published datasheet specification

  • Heater voltage V¢ min

    0

    Published datasheet specification

  • application of an external passe-partout with open area of max

    2 mm

    Published datasheet specification

  • and geometry. A range of AVg5

    50

    Published datasheet specification

  • For some applications a mean x-potential up to

    0 V

    Published datasheet specification

  • inevitable. In this case Vg

    0

    Published datasheet specification

  • The sensitivity at a deflection of less than

    5

    Published datasheet specification

  • at a deflection of

    5

    Published datasheet specification

  • A graticule consisting of concentric rectangles of

    0 mm

    Published datasheet specification

  • , The tube has a trace rotation coil, fixed onto the lower cone part. The coil has

    0

    Published datasheet specification

  • maximum required voltage is approx

    3 V

    Published datasheet specification

  • The required current for

    0

    Published datasheet specification

  • conditions, adjusted for optimum spot size at a beam current g

    10 uA

    Published datasheet specification

  • adjusted to Vy1

    2

    Published datasheet specification

  • W (lanuary

    986

    Published datasheet specification

Characteristic

  • At typical operation (Vg5

    2200 V

    Published datasheet specification

  • Vg-,

    16.5 kV

    Published datasheet specification