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Specialized - Cathode Ray ·CathodeRay

5CKP1

Five-inch high-resolution CRT with magnetic focusing and deflection, designed for flying-spot scanning, precision radar, and photographic applications. Its fine-resolution display system supports demanding image-generation and recording work.

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

Description

High-resolution magnetic-focus and magnetic-deflection cathode-ray tube for flying-spot scanning, precision radar, and photographic applications.

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.

CRT electron-gun/display section; CRT-specific ratings and operating data are stored as parameters.

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

  • Focusing method

    1 code

    Magnetic

  • Deflection method

    1 code

    Magnetic

Other

  • Accelerator voltage maximum

    20000 V

  • Accelerator voltage

    20000 V

  • Grid No. 1 voltage

    -

    Published range -110 to -35 V

  • Grid No. 1 negative bias maximum

    200 V

  • X-ray shielding threshold

    16000 V

    Shielding may be necessary above this accelerator voltage

  • Grid No. 2 voltage

    1000 V

  • Focusing coil current

    135 mA

    Approximate