CD57

NEC top-view cold-cathode symbol indicator displaying plus and minus signs with approximately 15 mm character height.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B13B
Base pins: 13
Nominal heater: -

Description

NEC head-view cold-cathode display-discharge tube showing symbols + and -. It has an approximate 15 mm display height. The catalog gives a 170 V minimum anode supply and 1.5–3.0 mA cathode current for the main display. Termination/socket information is M-111.

Socket description

B13B Nixie 13-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B13B
Base pins: 13
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: 3 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
15 mm
Overall length maximum
35 mm
Bulb size maximum
27.5 mm
Mounting height approximately
26 mm
Anode supply voltage minimum
170 to - Vdc
Minimum DC anode supply
Cathode current
1.5 to 3 mA
Displayed cathode

Base

Socket or termination
M-111