Skip to main content

Specialized - Cathode Ray ·CathodeRay

CK1419P31

Specialized Raytheon cathode-ray tube in the CK family. The available source extraction was incomplete in this pass, so its exact display, recording, storage, or printing function is not inferred.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DUODECAL7
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

High-brightness projection cathode-ray tube with cooled P31 screen for large television-format and radar display systems.

Socket description

Duodecal 7-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DUODECAL7
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
Max plate voltage
45000 V

Published ratings and characteristics promoted where clearly stated.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    600 mA

    Published nominal value

  • Resolution

    600 TV lines

    Published

  • Light output

    38000 foot-lamberts

    Published

Other

  • Anode operating voltage

    40000 V

    With coolant system operating