Skip to main content

Nixie ·Nixie

ZM1292

Gas-filled cold-cathode side-view numerical display showing digits 0–9 with a right decimal point and 10 mm characters. Manufacturer data specify approximately 170 V ignition, 140 V normal glow, and 115 V extinction voltage.

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

Description

The ZM1292 is a gas-filled cold-cathode Nixie display tube. The catalog shows 0 to 9 with right decimal point with a side viewing arrangement and a character height of 10.0 mm. Its ignition voltage is 170 V, extinction voltage is about 115 V, and normal glow voltage is about 140 V. The source is French-language material translated to English for this record.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
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
Regulator minimum current
1 A
Regulator maximum current
2 A
Regulator starting voltage
170 V
Regulator maintaining voltage
140 V

Single cold-cathode display section. Ignition, sustaining/extinction voltages, cathode-current limits, and display/mechanical data are retained below.

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

1973 Nixie Siemens

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

  • Ignition voltage

    170 V

    Maximum/typical threshold shown in source table

  • Operating glow voltage

    140 V

    Approximate service voltage

  • Extinction voltage

    115 V

    Source table value

  • Nominal cathode current

    1.5 mA

    Main symbol/digit

  • Nominal decimal-point cathode current

    0.3 mA

    Decimal point

  • Mean pulsed cathode current

    0.4 mA

    Main digit

  • Mean pulsed decimal-point current

    0.09 mA

    Decimal point

Other

  • Maximum supply voltage

    170 V

    Absolute limit table

  • Cathode current

    1 to 2 mA

    Main symbol/digit continuous range

  • Decimal-point cathode current

    0.15 to 0.5 mA

    Decimal point continuous range

  • Maximum peak cathode current

    10 mA

    Main symbol/digit

  • Maximum peak decimal-point cathode current

    3 mA

    Decimal point

  • Envelope temperature minimum

    -20 degC

    Operating envelope temperature range

  • Envelope temperature maximum

    70 degC

    Operating envelope temperature range

  • Display characters

    0 to 9 with right decimal point

    Translated from French source

  • Display orientation

    side

    Viewing orientation

  • Character height

    10 mm

    Display geometry

  • Maximum tube height

    31 mm

    Mechanical dimension

  • Maximum tube width/diameter

    10.5 mm

    Mechanical dimension as printed