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Nixie ·Nixie

ZM1100

Long-life Telefunken cold-cathode Nixie displaying 15.5 mm digits 0–9 for direct numerical indication.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SK136
Base pins
-
Nominal heater
-

Description

Telefunken ZM1100 is a gas-filled cold-cathode Nixie decimal indicator that directly displays digits 0 through 9 as 15.5 mm glow-discharge numerals. It is specified for long-life operation and can be selected by relay, tube, transistor, beam-switch, or photoresistor control circuits.

Socket description

SK-136 13-contact oval Nixie socket family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SK136
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
Regulator minimum current
1.5 A
Regulator maximum current
3 A
Regulator starting voltage
170 V
Regulator maintaining voltage
143 V
Regulator dynamic impedance
7200 Ω

Single cold-cathode display section. Nixie-specific electrical ratings and operating data 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

1966 Nixie Telefunken

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

  • Ignition voltage

    - to 170 V

    Measured/general data; maximum stated

  • Burning voltage

    143 V

    Typical; at cathode current 2 mA

  • Burning current

    1.5 to 3 mA

    Specified operating range

  • Differential internal resistance

    7.2 kOhm

    Typical

  • Life with one digit continuously displayed

    5000 to - h

    At cathode current 2 mA

  • Life with changing display

    50000 to - h

    Changing indication; recommended bias 60 V

Other

  • Minimum supply voltage

    170 V

    Absolute minimum supply requirement

  • Pulse cathode current

    - to 3.5 mA

    Maximum; pulse duration <=20 ms

  • Cathode-to-cathode bias voltage

    40 to 120 V

    For non-burning cathodes when required

  • Envelope temperature

    -50 to 70 degC

    Absolute range

  • Recommended off-cathode bias

    60 V

    DC operation with bias

  • Ballast resistance

    11 kOhm

    DC operation; supply voltage 170 V; burning voltage about 145 V

  • Ballast resistance

    24 kOhm

    DC operation; supply voltage 200 V; burning voltage about 145 V

  • Ballast resistance

    47 kOhm

    DC operation; supply voltage 250 V; burning voltage about 145 V

  • Ballast resistance

    68 kOhm

    DC operation; supply voltage 300 V; burning voltage about 145 V

  • Ballast resistance

    91 kOhm

    DC operation; supply voltage 350 V; burning voltage about 145 V

  • Operating burning voltage

    145 V

    DC operation across specified supply-voltage examples