F9020

Cold-cathode gas numerical display tube with ten superimposed cathodes shaped as digits. Selection of an individual cathode produces a directly readable glowing numeral, providing an electronic numerical display without moving parts.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

The F9020 is a cold-cathode gas numerical display tube with ten superimposed digit-shaped cathodes for direct reading.

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

No fixed ratings are recorded for this section.

Cold-cathode numerical-display discharge structure.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

Maximum Anode Supply Voltage
300 V
Maximum Cathode Current
15 mA
Per cathode

Characteristics

Ignition Voltage Maximum
160 V
Cathode Current Minimum
10 mA
Cathode Current Maximum
14 mA