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Nixie ยทNixie

CD67

Large NEC top-view cold-cathode symbol indicator displaying plus and minus signs with approximately 74 mm character height.

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 symbols + and -. It has an approximate 74 mm display height. The catalog gives a 200 V minimum anode supply and 12โ€“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

    Symbols + and -

  • 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

    Displayed cathode

Base

  • Socket or termination

    M-121 (with M-121 support)