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Specialized - Thyratron ·Thyratron

CK1050A

Subminiature directly heated thyratron for compact control and switching applications. Available database evidence confirms the thyratron function but does not support a narrower functional assignment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
SUBMINIATURE8
Base pins
8
Nominal heater
1.25 V / 250 mA

Description

Directly heated neon-filled grid-controlled subminiature gas triode for indicator-lamp and low-current negative-grid control service.

Socket description

Subminiature 8-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SUBMINIATURE8
Base pins
8
Nominal heater voltage
1.25 V
Nominal heater current
250 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

Thyratron

X-ray radiationInterelectrode capacitances
Max cathode current
3 mA

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

Thyratron

Characteristics

  • Heater or filament voltage

    1.25 V

    Published nominal value

  • Heater or filament current

    250 mA

    Published nominal value

  • Ionization time

    2 us

    Typical pulse characteristic

  • Deionization time

    30 us

    Typical pulse characteristic

Other

  • Peak anode voltage

    118 V

    Published absolute maximum