Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Nixie ·Nixie

OG4

Russian cold-cathode decade counter for pulse counting and sequencing, using a transferred glow discharge among successive cathodes.

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

Description

OG4 is a cold-cathode cold-cathode decade counter, classified as Nixie for this batch. The supplied datasheet was reviewed for operating conditions, ratings, and display/counting characteristics.

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
0.5 mA

Electrical values not fitting canonical promoted fields are preserved in TUBE_SECTION_PARAMETER.

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

  • Supply Voltage

    420 V

    Published datasheet value

  • Maximum/Normal Cathode Current

    0.5 mA

    Published datasheet value

  • Maximum Counting Speed

    2 kHz

    Published datasheet value

Characteristic

  • Ignition/Starting Voltage

    420 V

    Published datasheet value

Data set 02

196X Nixie Russian 1

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

  • Scale factor

    10

    Published datasheet value

  • Supply voltage

    450 to 475 V

    Published datasheet value

  • Discharge starting voltage

    - to 375 V

    Published datasheet value

  • Discharge maintaining voltage

    130 to 170 V

    Published datasheet value

  • Subcathode bias voltage

    30 to 40 V

    Published datasheet value

  • Reset pulse amplitude

    150 V

    Published datasheet value

  • Operating current

    0.3 to 0.45 mA

    Published datasheet value

  • Counting rate

    0.01 to 2000 Hz

    Published datasheet value

  • Control pulse amplitude

    135 to 200 V

    Published datasheet value

  • Control pulse duration

    160 to 500 us

    Published datasheet value

  • Control pulse rise time

    10 to 80 us

    Published datasheet value

  • Service life

    2000 to - h

    Published datasheet value