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Nixie ·Nixie

IN14

Russian cold-cathode Nixie numerical display tube for direct visual indication, comparable in function to RFT Z5730M/Z5740M types.

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

Description

IN14 is a cold-cathode Nixie numeric/symbol display tube. The supplied datasheet set identifies Z5730M/Z5740M 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
-
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
Max cathode current
2.5 mA
Regulator maximum current
2.5 A
Regulator starting voltage
170 V
Regulator maintaining voltage
170 V

Single cold-cathode glow-discharge indicator section; Nixie-specific operating data are also retained as parameters.

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 Russian 2

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Ignition delay time

    - to 1 s

    Published datasheet value

  • Decimal-point indication current

    - to 0.3 mA

    Published datasheet value

  • Digit indication current

    - to 2.5 mA

    Published datasheet value

  • Ambient operating temperature minimum

    -60 degC

    Published datasheet value

  • Ambient operating temperature maximum

    70 degC

    Published datasheet value

  • Supply voltage

    200 to - V

    Minimum stated source/supply voltage

  • Ignition voltage

    - to 170 V

    Published datasheet value

  • Maintaining voltage / anode-cathode drop

    - to 170 V

    Published datasheet value

  • Indication current

    - to 2.5 mA

    Published datasheet value

Characteristic

  • Service life

    5000 to - h

    Minimum

Data set 02

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

  • Anode Ignition Voltage

    150 V

    Comparable RFT type Z5730M/Z5740M

  • Anode Burning Voltage

    140 V

    Comparable RFT type Z5730M/Z5740M

  • Anode Extinction Voltage

    120 V

    Comparable RFT type Z5730M/Z5740M

Other

  • Minimum Cathode Current

    1.5 mA

    Comparable RFT type Z5730M/Z5740M

  • Maximum Cathode Current

    2.5 mA

    Comparable RFT type Z5730M/Z5740M

  • Peak Cathode Current

    12 mA

    Comparable RFT type Z5730M/Z5740M

  • Minimum Ambient Temperature

    -50 degC

    Comparable RFT type Z5730M/Z5740M

  • Maximum Ambient Temperature

    70 degC

    Comparable RFT type Z5730M/Z5740M

  • Symbol Height

    13 mm

    Comparable RFT type Z5730M/Z5740M

  • Maximum Viewing Distance

    8 m

    Comparable RFT type Z5730M/Z5740M

  • Maximum Bulb Height

    47.6 mm

    Comparable RFT type Z5730M/Z5740M

  • Maximum Bulb Diameter

    19 mm

    Comparable RFT type Z5730M/Z5740M