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Nixie ·Nixie

GN4

Gas-filled cold-cathode Nixie numerical indicator designed to display decimal digits by selective glow discharge of shaped cathodes.

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

Description

GN4 is a cold-cathode numerical indicator, classified as Nixie for this batch. The supplied sheet provides electrical operating/rating data and display information.

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

Nixie

X-ray radiationInterelectrode capacitances
Max cathode current
2.5 mA

Cold-cathode glow-display section; maximum cathode current promoted from the comparable RFT data column.

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

196X Nixie Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Anode Supply Voltage

    170 V

    Published datasheet value

  • Maximum Cathode Current

    4 mA

    Published datasheet value

  • Normal/Recommended Cathode Current

    3 mA

    Published datasheet value

Characteristic

  • Minimum Cathode Current

    1.5 mA

    Published datasheet value

  • Minimum Extinction Voltage

    100 V

    Published datasheet value

Data set 02

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

  • Anode Ignition Voltage

    145 V

    Comparable RFT type Z560M

  • Anode Burning Voltage

    135 V

    Comparable RFT type Z560M

  • Anode Extinction Voltage

    120 V

    Comparable RFT type Z560M

Other

  • Minimum Cathode Current

    1 mA

    Comparable RFT type Z560M

  • Maximum Cathode Current

    2.5 mA

    Comparable RFT type Z560M

  • Peak Cathode Current

    10 mA

    Comparable RFT type Z560M

  • Minimum Ambient Temperature

    -50 degC

    Comparable RFT type Z560M

  • Maximum Ambient Temperature

    70 degC

    Comparable RFT type Z560M

  • Symbol Height

    15.5 mm

    Comparable RFT type Z560M

  • Maximum Viewing Distance

    10 m

    Comparable RFT type Z560M

  • Maximum Bulb Height

    26.5 mm

    Comparable RFT type Z560M

  • Maximum Bulb Diameter

    30.1 mm

    Comparable RFT type Z560M