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Specialized - Cathode Ray ·CathodeRay

ML4110

Philips radar cathode-ray tube with a metal-backed screen and magnetic focusing and deflection. Its large direct-view display is intended for radar indicator presentation and persistent target viewing.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Radar cathode-ray tube with metal-backed screen and magnetic focusing/deflection.

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
6.3 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.

CRT-specific optical, focusing, deflection, accelerating-voltage, scan, capacitance, and safety data are retained in TUBE_SECTION_PARAMETER because the locked promoted fields primarily target conventional electrode sections.

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

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater voltage

    6.3 V

    CathodeRay

  • Heater current

    300 mA

    CathodeRay

  • Accelerator/anode voltage

    15 kV

    RadarCRT

  • Grid No.2 voltage

    300 V

    RadarCRT

  • Grid No.1 cutoff voltage minimum

    30 V

    RadarCRT

  • Grid No.1 cutoff voltage maximum

    70 V

    RadarCRT

  • Useful screen diameter

    368 mm

    RadarCRT

  • Focusing unit location

    118 mm

    RadarCRT

  • Grid No.3 voltage maximum

    16 kV

    RadarCRT

Construction

  • Focusing

    Magnetic

    CathodeRay

  • Deflection

    Double magnetic

    CathodeRay

  • Screen color

    Orange

    CathodeRay

  • Screen persistence

    Long

    CathodeRay

  • Screen construction

    Metal-backed

    RadarCRT