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Nixie ·Nixie

BD244

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
-
Socket code
SK116
Base pins
-
Nominal heater
-

Description

Gas-filled cold-cathode Nixie numerical-readout tube; source co-designates or directly compares this type with B4021.

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

No fixed ratings are recorded for this section.

Gas-filled cold-cathode Nixie numerical-readout tube; source co-designates or directly compares this type with B4021.

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 Burroughs Nixie

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Ionization voltage

    120 V

    Absolute rating; maximum

  • Minimum supply voltage

    120 V

    Absolute rating; minimum recommended supply

  • Cathode current

    2 mA

    Peak

  • Cathode current

    1 mA

    Average

  • Individual cathode dissipation

    0.2 W

    Maximum

  • Anode supply voltage

    120 V

    BasicCircuit test condition

  • Anode series resistor

    20 kOhm

    BasicCircuit test condition

  • Cathode current

    0.7 to 1.2 mA

    BasicCircuit test condition

  • Numeral height

    0.305 in

    Miniature

  • Recommended anode series resistor

    20 kOhm

    Anode supply 120 V

  • Pre-bias voltage

    50 to 75 V

    Referenced to on cathode