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Nixie ·Nixie

GS4

Cold-cathode Nixie numeric/symbol display tube, cross-referenced to the RFT Z561M family for direct electronic readout.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B13B
Base pins
-
Nominal heater
-

Description

GS4 is a cold-cathode Nixie numeric/symbol display tube. The supplied datasheet set identifies Z561M as a comparable RFT display type and provides ignition, burning and extinction voltages, cathode-current limits, environmental limits and mechanical/display data through that comparison.

Socket description

B13B Nixie 13-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B13B
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

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

  • Anode Ignition Voltage

    145 V

    Comparable RFT type Z561M

  • Anode Burning Voltage

    135 V

    Comparable RFT type Z561M

  • Anode Extinction Voltage

    120 V

    Comparable RFT type Z561M

Other

  • Minimum Cathode Current

    1 mA

    Comparable RFT type Z561M

  • Maximum Cathode Current

    2.5 mA

    Comparable RFT type Z561M

  • Peak Cathode Current

    10 mA

    Comparable RFT type Z561M

  • Minimum Ambient Temperature

    -50 degC

    Comparable RFT type Z561M

  • Maximum Ambient Temperature

    70 degC

    Comparable RFT type Z561M

  • Symbol Height

    15.5 mm

    Comparable RFT type Z561M

  • Maximum Viewing Distance

    10 m

    Comparable RFT type Z561M

  • Maximum Bulb Height

    26.5 mm

    Comparable RFT type Z561M

  • Maximum Bulb Diameter

    30.1 mm

    Comparable RFT type Z561M