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Specialized - Switching Tube ·RelayControlSwitch

G1371K

High-speed primed-trigger cold-cathode tube developed as a coupling element for G10/241E decade-counter systems, transferring counting pulses between stages.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B7G
Base pins
-
Nominal heater
-

Description

High-speed primed-trigger cold-cathode tube developed as a coupling element for G10/241E decade-counter systems.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
-
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

RelayControlSwitch

X-ray radiationInterelectrode capacitances
Max cathode current
15 mA

Published ratings/characteristics promoted where applicable.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

RelayControlSwitch

Other

  • Maximum pulse current output

    15 mA

    Published datasheet value

  • Maximum DC current output

    10 mA

    Published datasheet value

  • De-ionisation time maximum

    30 us

    Published datasheet value

  • Trigger-cathode capacitance

    3 pF

    Published datasheet value

Characteristic

  • Minimum DC current output

    2 mA

    Published datasheet value

Data set 02

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

RelayControlSwitch

Characteristic

  • Anode Supply Voltage Minimum

    270 V

  • Anode Supply Voltage Maximum

    360 V

  • Main Gap Maintaining Voltage Minimum

    175 V

  • Main Gap Maintaining Voltage Maximum

    185 V

  • Minimum DC Current Output

    2 mA

  • Deionisation Time Maximum

    30 us

  • Transfer Time Nominal

    0.5 us

Other

  • Maximum Pulse Current Output

    15 mA

  • Maximum DC Current Output

    10 mA

Capacitance

  • Trigger-Cathode Capacitance

    3 pF