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IV28A

Flat nine-position vacuum-fluorescent segmented indicator for displaying digits and signs, with separate grids controlling each green-emitting position.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 1.5 V / 100 mA

Description

Flat nine-position vacuum fluorescent indicator for digits and signs. Each position is formed from green-emitting anode segments with separate grids.

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: 1.5 V
Nominal heater current: 100 mA
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

Tuning Indicator

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

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 Russian 1

Published operating points and test conditions from this source.

SECTION 1

Tuning Indicator

Characteristics

Number of display positions
9
Published datasheet value
Character width
3.7 mm
Published datasheet value
Character height
5.5 mm
Published datasheet value