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Specialized - Cathode Ray ·CathodeRay

10WP19

Ten-inch cathode-ray display tube using electrostatic focusing and magnetic deflection. Its P19 screen produces orange fluorescence with long persistence, providing a lingering trace or image at typical anode operation around 10 kV.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12A
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

The Sylvania 10WP19 is a 10-inch P19 special-purpose CRT with electrostatic focus and magnetic deflection.

Socket description

Duodecal 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12A
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
600 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.

Cathode-ray display/electron-gun section.

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

1960 Du Mont

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    600 mA

  • Focusing Method

    Electrostatic text

  • Deflection Method

    Magnetic text

  • Phosphor

    P19 text

  • Fluorescence

    Orange text

  • Persistence

    Long text

  • Deflection Angle

    50 deg

    Approximate

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    600 mA

  • Focusing Method

    Electrostatic text

  • Deflection Method

    Magnetic text

  • Deflection Angle

    50 deg

    Approximate

  • Phosphor

    P19 text

  • Fluorescence

    Orange text

  • Persistence

    Long text

  • Screen Aluminized

    No text

  • Light Transmittance

    76 percent

    Approximate

  • Phosphorescence

    Orange text

Other

  • Maximum Anode Voltage

    13200 V

  • Focus Electrode Voltage Minimum

    -550 V

    Grid4

  • Focus Electrode Voltage Maximum

    1100 V

    Grid4

  • Maximum Grid2 Voltage

    550 V

  • Maximum Heater-Cathode Voltage During Warmup

    450 V

    Duration<=15s

  • Maximum Heater-Cathode Voltage After Warmup

    200 V

  • Anode Voltage

    10000 V

  • Focus Voltage Minimum

    0 V

    Grid4

  • Focus Voltage Maximum

    300 V

    Grid4

  • Grid2 Voltage

    300 V

  • Grid1 Cutoff Voltage Minimum

    -72 V

  • Grid1 Cutoff Voltage Maximum

    -28 V

  • Maximum Grid1 Circuit Resistance

    1.5 Mohm