Skip to main content

Specialized - Cathode Ray ·CathodeRay

MW5380

Philips television projection CRT designed to generate a bright image for optical enlargement rather than ordinary direct viewing. Its high-voltage picture-tube construction supports projected television display.

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

Description

The Philips MW5380 is a television picture/projection cathode-ray tube.

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
Max plate voltage
18000 V

Rectangular all-glass television picture tube with filter glass, metal-backed screen, ion trap, magnetic focusing, and 90-degree magnetic deflection.

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

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

Data set 02

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Capacitance

  • Grid-1 capacitance

    7 pF

  • Cathode capacitance

    4 pF

  • Cathode-plus-grid-3 capacitance

    9 pF

  • Anode/grid-4 to outer-coating capacitance

    1250 to 1750 pF

Other

  • Screen color

    White

  • Light transmission

    75 %

  • Useful diagonal

    511 to - mm

    Minimum

  • Useful width

    482 to - mm

    Minimum

  • Useful height

    378 to - mm

    Minimum

  • Anode/grid-4 voltage

    14000 V

    OperatingPoint1

  • Anode/grid-4 voltage

    16000 V

    OperatingPoint2

  • Grid-2 voltage

    300 V

  • Grid-3 voltage

    0 to 300 V

  • Maximum anode/grid-4 voltage

    18000 V

  • Minimum anode/grid-4 voltage

    12000 V

  • Maximum grid-3 voltage

    500 V

  • Maximum grid-2 voltage

    500 V

  • Minimum grid-2 voltage

    200 V

Characteristic

  • Vertical deflection angle

    65 deg

  • Grid-1 cutoff-voltage magnitude

    40 to 80 V

Data set 03

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Capacitance

  • Capacitance

    7 pF

    Capacitances Ce: = 7 pF

  • Capacitance

    7 pF

    Capacitances Cgi = 7 pF

  • Capacitance

    7 pF

    Capacitances 73 = 7 pF

Characteristic

  • Deflection

    90

    magnetic focusing and 90° magnetic deflection

  • Deflection

    90

    Fokussierung und 90° magnetischer Ablenkung

  • Heater voltage

    9.5 V

    heater voltage must not exceed 9.5 V when the supply

  • Heater voltage

    9.5 V

    darf die Heizspannung beim Einschalten 9,5 V nicht

  • Deflection

    3

    3)Space for deflection coils apd focusing device

  • Focusing

    8

    — For focusing coil please refer to page 8

  • Focusing

    8

    Fokussierungsspule siehe Seite 8

  • Focusing

    8

    For focusing coil please refer %o page 8

  • Focusing

    8

    Ifoc ist der Strom der auf Selte 8 beschriebene Fokussie-