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Specialized - Cathode Ray ·CathodeRay

D1012BE

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
14
Nominal heater
637 V / 300 mA

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
14
Nominal heater voltage
637 V
Nominal heater current
300 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.

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

  • Useful screen diameter

    0 mm

    Published datasheet specification

  • Useful scan at Vgg/Vg,

    4

    Published datasheet specification

  • in the y direction

    0 mm

    Published datasheet specification

  • Heater voltage Vr

    637 V

    Published datasheet specification

  • Heater current Ir

    300 mA

    Published datasheet specification

  • Crid No.1 to all other electrodes Cgy

    4 pF

    Published datasheet specification

  • Cathode to all other electrodes Ck

    3 pF

    Published datasheet specification

  • except x2 plate Cx1q

    4 pF

    Published datasheet specification

  • except Xy plate Cx»

    4 pF

    Published datasheet specification

  • except yo plate Cyq

    3

    Published datasheet specification

  • except y¢ plate Cyo

    3 pF

    Published datasheet specification

  • Xy plate to x

    1

    Published datasheet specification

  • ¥1 plate to yo plate Cy1_y9

    1.7 pF

    Published datasheet specification

  • Post accelerator voltage Vgg

    4000 V

    Published datasheet specification

  • Grid No.4 voltage V54

    1000 V

    Published datasheet specification

  • Grid No.2 voltage Vsz

    1000 V

    Published datasheet specification

  • Beam current I

    10

    Published datasheet specification

  • Line width l.w

    0.35 mm

    Published datasheet specification

  • Post accelerator voltage Vg

    4000 V

    Published datasheet specification

  • Isolation shield voltage Vgg

    1000

    Published datasheet specification

  • Second accelerator voltage Vgqy

    1000

    Published datasheet specification

  • Focusing electrode voltage Vgz

    20

    Published datasheet specification

  • First accelerator voltage Vgo

    1000 V

    Published datasheet specification

  • Grid No.1 voltage Vg,

    -25

    Published datasheet specification

  • horizontal Mx

    31 V

    Published datasheet specification

  • vertical My

    11.2 V

    Published datasheet specification

  • deflection

    2

    Published datasheet specification

  • Pattern distortion

    23

    Published datasheet specification

  • Undeflected spot position R

    5 mm

    Published datasheet specification

  • A small potential difference (max. *

    4

    Published datasheet specification

  • for a deflection of less than

    5

    Published datasheet specification

  • a deflection of

    5

    Published datasheet specification

  • square of

    1 mm

    Published datasheet specification

  • be within a concentric square of

    9 mm

    Published datasheet specification

  • Published specification

    5000 V

    Published datasheet specification

  • Post accelerator voltage Veg

    1500 V

    Published datasheet specification

  • Isolation shield voltage Vgs

    2200 V

    Published datasheet specification

  • Published specification

    2200 V

    Published datasheet specification

  • Second accelerator voltage Vgq - min

    0 V

    Published datasheet specification

  • Focusing electrode voltage V33

    1500 V

    Published datasheet specification

  • First accelerator voltage VEZ - min

    0 V

    Published datasheet specification

  • negative -Vg1

    200 V

    Published datasheet specification

  • peak positive +Vgqp

    2

    Published datasheet specification

  • Ratlo Vgg/Vg, Vge/Vgqy

    4

    Published datasheet specification

  • accelerator and any deflec~- Vggx p

    500 V

    Published datasheet specification

  • tion plate Vegs-y D

    500 V

    Published datasheet specification

  • cathode positive Vkr(k pos)

    200 V

    Published datasheet specification

  • cathode negative Vkr(k neg)

    125 V

    Published datasheet specification

  • dissipation Weo,84

    6 W

    Published datasheet specification

  • Screen dissipation Wp

    3 mW/cm?

    Published datasheet specification

  • Focusing voltage Vg3

    50

    Published datasheet specification

  • Grid No.1 voltage 2) ~Vgy

    25

    Published datasheet specification

  • Deflection factors at vgé/vgz,g4

    4

    Published datasheet specification

  • horizontal Mx

    31 V/cm

    Published datasheet specification

  • vertical My

    11.2 V/cm

    Published datasheet specification

  • resistance Rg1

    1.5

    Published datasheet specification

  • Grid No.3 current Igs

    30

    Published datasheet specification

  • Published specification

    72

    Published datasheet specification