CK7978

Cold-cathode bidirectional ring-stepping decade counter for electronic counting and selector applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

CK7978 is a bi-directional ring stepping decade counter, classified as Nixie for this batch. The supplied datasheet describes its cold-cathode discharge operation and published electrical ratings/operating conditions.

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

MicrowaveTRSwitch

X-ray radiationInterelectrode capacitances

Max cathode current: 0.6 mA

Cold-cathode discharge/counting/display section; published electrical data 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 Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

MicrowaveTRSwitch

Other

Maximum Anode/Cathode Current
0.6 mA
Published datasheet value
Maximum Counting Rate
5 kHz
Published datasheet value

Characteristic

Minimum Anode/Cathode Current
0.3 mA
Published datasheet value