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Specialized - Cathode Ray ·CathodeRay

M17145WE

Seventeen-centimeter high-resolution photographic monitor CRT with magnetic deflection and electrostatic focusing, designed for applications where a detailed displayed image is photographed or recorded.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
B8H
Socket code
-
Base pins
8
Nominal heater
6.3 V / 240 mA

Description

17 cm high-resolution photographic monitor cathode-ray tube. The Philips sheet specifies magnetic deflection, electrostatic focusing, heater data, screen and resolution characteristics, capacitances, recommended operating voltages, limiting values, and X-radiation limits where published.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B8H
Socket code
-
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
240 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B8H - 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.

17 cm high-resolution photographic monitor cathode-ray tube

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 E-Z

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • MONITOR TUBES

    17 cm

  • Face diagonal

    17 cm

  • Neck diameter

    28 mm

  • Overall length max

    240 mm

  • Screen dimensions min [1]

    124 mm

  • Screen dimensions min [2]

    93 mm

  • Resolution at V [1]

    16 kV

  • Resolution at V [2]

    1250 TV lines

  • 340 November

    1987 W

  • Overall length 232

    8 mm

  • Neck diameter min

    27.8 mm

  • Base neo eightar, B8H; IEC 67-1

    31 A

  • Net mass approx

    1 kg

  • Final accelerator contact connector

    55563 A

  • 342 November

    1987 W

  • at Vg ,35(2) =14 l.(V, V92

    400 V

  • 1g [1]

    20 A

  • 1g [2]

    1050 TV lines

  • at Vg '85“2) [1]

    16 kV

  • at Vg '85“2) [2]

    600 V

  • 1g [1]

    20 pA

  • 1g [2]

    1250 TV lines

  • X-radiation limit curves, at a constant anode current of

    250 µA

  • | 3% bUtro,,

    25 s

Capacitance

  • final accelerator to metal band Cg3,95(%)/m’

    135 pF

  • final accelerator to external conductive coating Gg3,95(2)/m

    240 pF

  • cathode to all other elements Ck

    3.6 pF

  • grid 1 to all other elements Cq1

    7 pF

  • heater voltage V¢

    63 V

  • heater current I¢

    240 mA

  • current at equilibrium conditions approx

    5 s

Other

  • Final accelerator voltage Vg3,95(2) 14

    16 kV

  • Focusing electrode voltage Vg4 0 to 400* 0to

    400 V

  • First accelerator voltage V92 400

    600 V

  • Cut-off voltage for visual extinction of focused spot —Vg1 30 to 62 40t0

    90 V

  • LIMITING VALUES

    18 kV

  • Vg3,95(0) min

    12 kV

  • Vg4 max

    1 kV

  • ~Vga max

    5 kV

  • max

    800 V

  • min

    300 V

  • positive peak max

    2 V

  • For optimum focus at a beam current of

    50 µA

  • of the human eye, on a 312-lines raster with dimensions [1]

    70 mm

  • of the human eye, on a 312-lines raster with dimensions [2]

    70 mm