CD46

Large NEC top-view cold-cathode Nixie displaying digits 0–9 with an approximately 74 mm character height for highly visible readouts.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B14A
Base pins: 14
Nominal heater: -

Description

NEC head-view cold-cathode display-discharge tube showing digits 0-9. It has an approximate 74 mm display height. The catalog gives a 200 V minimum anode supply and 12–18 mA cathode current for the main display. Termination/socket information is M-121 (with M-121 support).

Socket description

Large readout/Nixie 14-contact base, 44.5 mm pin circle

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B14A
Base pins: 14
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: 18 mA

Cold-cathode Nixie/display-discharge section. Supply value in source is minimum anode DC supply voltage.

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 NEC

Published operating points and test conditions from this source.

SECTION 1

Nixie

Display

Display content
Digits 0-9
Viewing orientation
top
Display construction
head-view

Other

Display height
74 mm
Overall length maximum
123 mm
Bulb size maximum
103 mm
Mounting height approximately
92.3 mm
Anode supply voltage minimum
200 to - Vdc
Minimum DC anode supply
Cathode current
12 to 18 mA
Digits 0-9

Base

Socket or termination
M-121 (with M-121 support)