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Nixie ·Nixie

GA11

Side-viewing cold-cathode numerical display tube with shaped digit cathodes. Cerberus documentation and comparison data describe its glow-discharge operating characteristics, while specified character-switching intervals support extended-life numerical indication.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
Wire leads
Socket code
-
Base pins
14
Nominal heater
-

Description

GA11 is a cold-cathode Nixie numeric/symbol display tube. The supplied datasheet set identifies Z570M 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.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
Wire leads
Socket code
-
Base pins
14
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Wire leads - 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 plate voltage
170 V
Max cathode current
3.5 mA

Cold-cathode switching/relay/display section; device-specific glow-discharge values preserved in parameter table.

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

1962 Cerberus

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • DigitHeight

    15 mm

  • Cathode Current

    1.5 to 3.5 mA

  • Anode Supply Voltage

    220 to - V

  • Anode Resistor

    47 to - kOhm

Characteristic

  • BreakdownVoltage

    130 V

Data set 02

1965 Nixie Cerberus

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Digit Height

    15 mm

    Side viewing

  • Maximum Ignition Voltage

    130 V

    Published main characteristics

  • Minimum Cathode Current

    1.5 mA

    Published main characteristics

  • Maximum Cathode Current

    3.5 mA

    Published main characteristics

Characteristic

  • Normal Cathode Current

    2 mA

    Published main characteristics

  • Minimum Supply Voltage

    220 V

    Lower supply voltages are not recommended unless stabilized

  • Recommended Anode Resistor

    47 kOhm

    At listed minimum supply voltage

  • Off-Cathode Bias Voltage Minimum

    50 V

    Off cathodes

  • Off-Cathode Bias Voltage Maximum

    120 V

    Off cathodes

  • Life Expectancy

    10000 h

    Digits switched sequentially at intervals of no more than 24 h

Data set 03

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

  • Anode Ignition Voltage

    150 V

    Comparable RFT type Z570M

  • Anode Burning Voltage

    140 V

    Comparable RFT type Z570M

  • Anode Extinction Voltage

    120 V

    Comparable RFT type Z570M

Other

  • Minimum Cathode Current

    1.5 mA

    Comparable RFT type Z570M

  • Maximum Cathode Current

    2.5 mA

    Comparable RFT type Z570M

  • Peak Cathode Current

    12 mA

    Comparable RFT type Z570M

  • Minimum Ambient Temperature

    -50 degC

    Comparable RFT type Z570M

  • Maximum Ambient Temperature

    70 degC

    Comparable RFT type Z570M

  • Symbol Height

    13 mm

    Comparable RFT type Z570M

  • Maximum Viewing Distance

    8 m

    Comparable RFT type Z570M

  • Maximum Bulb Height

    47.6 mm

    Comparable RFT type Z570M

  • Maximum Bulb Diameter

    19 mm

    Comparable RFT type Z570M