CD19

Compact Matsushita top-view cold-cathode Nixie displaying red digits 0–9, designed for low-current industrial controls, counters, computers, and position indicators.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B13B
Base pins: 11
Nominal heater: -

Description

Japanese datasheet for the CD19 cold-cathode numeral display tube. It displays digits 0 through 9 in red from the top of the envelope and is described as a compact, lightweight subminiature type with a simple low-current drive circuit, rugged construction, and long life. Applications include industrial control equipment, electronic computers, counters, channel indicators, elevators, and other display equipment.

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: 11
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: 2 mA

Cold-cathode Nixie/display-discharge section. Maximum cathode current promoted from peak absolute-maximum rating.

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

1966 Nixie Matsushita

Published operating points and test conditions from this source.

SECTION 1

Nixie

Display

Display content
Digits 0-9
Top-view numeral display
Display color
Red

Characteristics

Cathode type
Cold cathode
Discharge starting voltage
- to 170 V
Maximum

Other

Plate supply voltage
170 to - Vdc
Minimum specified plate supply
Cathode current
0.6 to 1.4 mA
Plate supply 170 Vdc; plate series resistance 20 kΩ
Cathode dissipation
- to 0.2 W
Each cathode
Peak cathode current
- to 2 mA
Absolute maximum
Average cathode current
0.6 to 1.4 mA
Absolute maximum range
Ambient temperature
-65 to 70 °C
Operating ambient range
Recommended plate series resistance
20 kΩ
Plate supply 170 Vdc
Recommended plate series resistance
51 kΩ
Plate supply 200 Vdc
Recommended plate series resistance
100 kΩ
Plate supply 250 Vdc
Recommended plate series resistance
150 kΩ
Plate supply 300 Vdc
Overall height maximum
- to 50 mm
From dimensional drawing
Bulb width maximum
- to 15 mm
From dimensional drawing