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Nixie ·Nixie

B4031

Miniature gas-filled cold-cathode Nixie numerical readout tube in the B4032 electrical family. Burroughs specifies a 170 V maximum ionization voltage and recommended minimum supply, with external resistance controlling operating current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SK116
Base pins
-
Nominal heater
-

Description

B4031 is a gas-filled cold-cathode Nixie numerical/readout device. The shared catalog identifies it with the B4032 electrical family, using a maximum ionization voltage of 170 V and a recommended minimum supply of 170 V.

Socket description

SK-116 11-contact miniature Nixie socket family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SK116
Base pins
-
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
1.5 mA
Regulator minimum current
0.6 mA
Regulator maximum current
1.2 mA
Regulator starting voltage
170 V

Gas-filled cold-cathode Nixie special-character indicator; plus and minus long-life special-character tube. Electrical/mechanical characteristics are stated to be generally comparable to the corresponding regular numerical tube family (B4032).

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

1961 Nixie Burroughs

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Ionization Voltage Maximum

    170 V

  • Supply Voltage Minimum

    170 V

    Catalog minimum supply voltage

  • Cathode Current Peak

    1.5 mA

  • Cathode Current Average

    0.9 mA

  • Individual Cathode Wattage Maximum

    0.2 W

  • Test Supply Voltage

    170 V

  • Test Series Resistor

    15 kOhm

  • Display Size Class

    Miniature

  • Numeral Height

    0.305 in

  • Recommended Socket

    SK116

  • Recommended Supply Voltage

    170 V

    Series resistor 15 kOhm

  • Recommended Series Resistor

    15 kOhm

    Supply voltage 170 V

Characteristic

  • Cathode Current Minimum

    0.6 mA

  • Cathode Current Maximum

    1.2 mA

Environmental

  • Shock

    55 G

  • Vibration

    10 G

    60 cps

  • Operating Temperature Range

    -65 to +70 C

  • Altitude

    70000 ft

Data set 02

196X Burroughs Nixie

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Ionization voltage

    170 V

    Absolute rating; maximum

  • Minimum supply voltage

    170 V

    Absolute rating; minimum recommended supply

  • Cathode current

    1.5 mA

    Peak

  • Cathode current

    0.9 mA

    Average

  • Individual cathode dissipation

    0.2 W

    Maximum

  • Anode supply voltage

    170 V

    BasicCircuit test condition

  • Anode series resistor

    15 kOhm

    BasicCircuit test condition

  • Cathode current

    0.6 to 1.2 mA

    BasicCircuit test condition

  • Numeral height

    0.305 in

    Miniature

  • Recommended anode series resistor

    15 kOhm

    Anode supply 170 V

  • Recommended anode series resistor

    56 kOhm

    Anode supply 250 V

  • Recommended anode series resistor

    82 kOhm

    Anode supply 300 V

  • Pre-bias voltage

    75 to 120 V

    Referenced to on cathode