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Specialized - Cathode Ray ·CathodeRay

30E10

Twelve-inch precision all-electrostatic cathode-ray tube for measurement and radio direction-finding compass service. Its electrostatic beam control is intended for accurate instrument presentation rather than ordinary television display.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 720 mA

Description

12-inch precision all-electrostatic cathode-ray tube for measurement or radio direction-finding compass service.

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
4 V
Nominal heater current
720 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.

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 Mazda

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Maximum first-anode voltage

    500 V

  • Maximum second-anode voltage

    1000 V

  • Maximum third-anode voltage

    4000 V