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Nixie ·Nixie

CD102

Gas-filled cold-cathode Nixie numerical indicator designed to display decimal digits by selective glow discharge of shaped cathodes.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
13-17 TGL 68-87
Socket code
B13B
Base pins
13
Nominal heater
-

Description

NEC head-view cold-cathode display-discharge tube showing digits 0-9. It has an approximate 16 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
13-17 TGL 68-87
Socket code
B13B
Base pins
13
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

13-17 TGL 68-87 - 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
3.5 mA
Regulator starting voltage
170 V

Cold-cathode Nixie display section. Direct Matsushita CD102 data used for promoted current/starting values; RFT Z560M comparison data remain only as qualified 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

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

    1.5 to 3 mA

    Plate supply 170 Vdc; plate series resistance 10 kΩ

  • Cathode dissipation

    - to 0.5 W

    Each cathode

  • Peak cathode current

    - to 3.5 mA

    Absolute maximum

  • Average cathode current

    1.5 to 3 mA

    Absolute maximum range

  • Ambient temperature

    -65 to 70 °C

    Operating ambient range

  • Recommended plate series resistance

    10 kΩ

    Plate supply 170 Vdc

  • Recommended plate series resistance

    24 kΩ

    Plate supply 200 Vdc

  • Recommended plate series resistance

    47 kΩ

    Plate supply 250 Vdc

  • Recommended plate series resistance

    68 kΩ

    Plate supply 300 Vdc

  • Display height approximately

    16 mm

    From dimensional drawing

  • Bulb width maximum

    - to 27.5 mm

    From dimensional drawing

  • Overall height maximum

    - to 35 mm

    From dimensional drawing

  • Mounting height approximately

    26 mm

    From dimensional drawing

  • Interchangeability

    CD18

    Datasheet states CD102 can directly replace CD18 despite slight differences

Data set 02

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

    16 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

    Digits 0-9

Base

  • Socket or termination

    M-111

Data set 03

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Comparable RFT Type

    Z560M

    Catalog cross-reference; comparable types are not guaranteed identical

  • Minimum Operating Supply Voltage

    170 V

    Published for comparable RFT type Z560M

  • Cathode Current Minimum

    1 mA

    Published for comparable RFT type Z560M

  • Cathode Current Maximum

    2.5 mA

    Published for comparable RFT type Z560M

  • Peak Cathode Current

    10 mA

    Published for comparable RFT type Z560M

  • Ambient Temperature Minimum

    -50 °C

    Published for comparable RFT type Z560M

  • Ambient Temperature Maximum

    70 °C

    Published for comparable RFT type Z560M

  • Symbol Height

    15.5 mm

    Published for comparable RFT type Z560M

  • Maximum Viewing Distance

    10 m

    Published for comparable RFT type Z560M

  • Maximum Bulb Height

    26.5 mm

    Published for comparable RFT type Z560M

  • Maximum Bulb Diameter

    30.1 mm

    Published for comparable RFT type Z560M

Characteristic

  • Anode Striking Voltage

    145 V

    Published for comparable RFT type Z560M

  • Anode Maintaining Voltage

    135 V

    Published for comparable RFT type Z560M

  • Anode Extinction Voltage

    120 V

    Published for comparable RFT type Z560M