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Nixie ·Nixie

6844

Cold-cathode ten-digit numerical indicator for direct electronic readout, with manufacturer data corresponding to the improved 6844A/BD-302 design.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B13B
Base pins
13
Nominal heater
-

Description

Cold-cathode ten-digit numerical indicator; current PDF reproduces the 6844A/BD-302 improved-type engineering report. The sheet provides cold-cathode starting/supply limits and recommended current-limiting resistor operation.

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
4 mA
Regulator starting voltage
170 V

Special-purpose display/switching section. Published non-promoted ratings are retained in TUBE_SECTION_PARAMETER.

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

1963 Burroughs

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

  • Ionization Voltage

    170 V

Other

  • Peak Anode Current

    4 mA

  • Average Anode Current

    2.2 mA

  • Individual Cathode Dissipation

    0.38 W

  • Anode Supply Voltage

    170 V

  • Anode Series Resistance

    15000 ohm

  • Anode Current Minimum

    1 mA

  • Anode Current Maximum

    2.2 mA

Data set 02

196X Nixie Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Supply voltage minimum

    170 V

  • Ionization voltage maximum

    170 V

  • Peak cathode current maximum

    4 mA

  • Individual cathode power dissipation maximum

    0.4 W

  • Anode series resistor

    15 kΩ

    SupplyVoltage=170V

  • Anode series resistor

    47 kΩ

    SupplyVoltage=250V

  • Anode series resistor

    75 kΩ

    SupplyVoltage=300V

Characteristics

  • Cathode current range

    1.5 to 2.5 mA