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Specialized - Switching Tube ·Other

CK1057

Cold-cathode specialized tube documented as CK1057. Available source material does not establish its intended function confidently enough for a narrower functional description.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SUBMINIATURE7
Base pins
7
Nominal heater
-

Description

Neon-filled cold-cathode tetrode trigger and indicator tube for low-power control circuits, including transistor-associated circuitry.

Socket description

Subminiature 7-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SUBMINIATURE7
Base pins
7
Nominal heater voltage
-
Nominal heater current
-
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

Other

X-ray radiationInterelectrode capacitances
Max cathode current
2 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

Other

Other

  • Peak anode voltage

    123 V

    Published absolute maximum