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Nixie ·Nixie

6476

Cold-cathode bidirectional decade counter with multiple electrical outputs and direct glow indication of the active counting position.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B12C
Base pins
12
Nominal heater
-

Description

Cold-cathode bidirectional decade counter with multiple electrical outputs and direct glow indication. The datasheet specifies anode/supply limits, counting frequency, and a typical resistor-biased operating point.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12C
Base pins
12
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
0.6 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

  • Maintaining or operating voltage

    195 V

    Published nominal tube drop/operating voltage

  • Starting or minimum supply voltage

    350 V

    Published starting/minimum supply value

Other

  • Maximum input frequency

    5000 Hz

    Published

  • Nominal tube drop

    195 V

    At 425 V supply

Data set 02

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Total anode current maximum

    0.6 mA

    Published datasheet value

  • Supply voltage minimum

    350 V

    AnodeToCathode

  • Input frequency maximum

    4000 pps

    Published datasheet value

  • Typical DC supply voltage

    400 V

    Published datasheet value

Data set 03

196X Nixie Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Total anode current maximum

    0.6 mA

  • Voltage between electrodes maximum

    140 V

    Excluding anode

  • Supply voltage minimum

    350 V

    Anode-to-cathode

  • Input frequency maximum

    4000 pps

  • DC supply voltage

    400 V

  • Anode resistor

    0.047 MΩ

  • Cathode resistor

    68000 Ω

Characteristics

  • Nominal tube drop

    191 V

    Typical operation

  • Output voltage

    28 V

    Across cathode resistor