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Nixie ·Nixie

6844A

Gas-filled cold-cathode ten-digit Nixie indicator with common anode and suppressor screen for direct numerical display.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
13-17 TGL 68-87
Socket code
B13B
Base pins
13
Nominal heater
-

Description

Gas-filled cold-cathode ten-digit Nixie indicator with common anode and suppressor screen. 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
13-17 TGL 68-87
Socket code
B13B
Base pins
13
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

13-17 TGL 68-87 - 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 minimum current
1.5 mA
Regulator maximum current
3 mA
Regulator starting voltage
170 V
Regulator maintaining voltage
135 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

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

    4 mA

  • Cathode Current Average

    2 mA

  • Individual Cathode Wattage Maximum

    0.4 W

  • Test Supply Voltage

    170 V

  • Test Series Resistor

    15 kOhm

  • Display Size Class

    Standard

  • Numeral Height

    0.61 in

  • Recommended Socket

    HSK106 or HSK112

  • Recommended Supply Voltage

    170 V

    Series resistor 15 kOhm

  • Recommended Series Resistor

    15 kOhm

    Supply voltage 170 V

  • Recommended Supply Voltage

    250 V

    Series resistor 56 kOhm

  • Recommended Series Resistor

    56 kOhm

    Supply voltage 250 V

  • Recommended Supply Voltage

    300 V

    Series resistor 82 kOhm

  • Recommended Series Resistor

    82 kOhm

    Supply voltage 300 V

Characteristic

  • Cathode Current Minimum

    1.5 mA

  • Cathode Current Maximum

    3 mA

Environmental

  • Shock

    55 G

  • Vibration

    10 G

    60 cps

  • Operating Temperature Range

    -65 to +70 C

  • Altitude

    70000 ft

Data set 02

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

    2.5 mA

  • Individual Cathode Dissipation

    0.4 W

  • Anode Supply Voltage

    170 V

  • Anode Series Resistance

    15000 ohm

  • Anode Current Minimum

    1.5 mA

  • Anode Current Maximum

    2.5 mA

Data set 03

1969 Nixie Zennippon Shinkukan

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

  • Displayed symbols

    0–9

  • Discharge maintaining voltage

    135 V

    Approximate

Other

  • Connection diagram number

    1

    See source basing/connection diagram

  • Maximum overall length

    35.6 mm

  • Maximum display diameter

    27.5 mm

  • Maximum power consumption

    0.4 W

  • Anode supply DC voltage

    170 V

    Operating point at 170 V

  • Average anode current

    - to 2.5 mA

    AnodeSupplyVoltage=170V; less than

  • Series resistor Rp

    15 kOhm

    AnodeSupplyVoltage=170V

  • Anode supply DC voltage

    250 V

    Operating point at 250 V

  • Average anode current

    - to 2.5 mA

    AnodeSupplyVoltage=250V; less than

  • Series resistor Rp

    47 kOhm

    AnodeSupplyVoltage=250V

  • Anode supply DC voltage

    300 V

    Operating point at 300 V

  • Average anode current

    - to 2.5 mA

    AnodeSupplyVoltage=300V; less than

  • Series resistor Rp

    75 kOhm

    AnodeSupplyVoltage=300V

Data set 04

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

    4 mA

    Peak

  • Cathode current

    2 mA

    Average

  • Individual cathode dissipation

    0.4 W

    Maximum

  • Anode supply voltage

    170 V

    BasicCircuit test condition

  • Anode series resistor

    15 kOhm

    BasicCircuit test condition

  • Cathode current

    1.5 to 3 mA

    BasicCircuit test condition

  • Numeral height

    0.61 in

    Standard

  • 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

Data set 05

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

Data set 06

1971 Nixie RFT

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

  • Comparable RFT Type

    Z560M

    Catalog cross-reference; comparable types are not guaranteed identical

  • Minimum Operating Supply Voltage

    170 V

    Published for comparable RFT type Z560M

  • Cathode Current Minimum

    1 mA

    Published for comparable RFT type Z560M

  • Cathode Current Maximum

    2.5 mA

    Published for comparable RFT type Z560M

  • Peak Cathode Current

    10 mA

    Published for comparable RFT type Z560M

  • Ambient Temperature Minimum

    -50 °C

    Published for comparable RFT type Z560M

  • Ambient Temperature Maximum

    70 °C

    Published for comparable RFT type Z560M

  • Symbol Height

    15.5 mm

    Published for comparable RFT type Z560M

  • Maximum Viewing Distance

    10 m

    Published for comparable RFT type Z560M

  • Maximum Bulb Height

    26.5 mm

    Published for comparable RFT type Z560M

  • Maximum Bulb Diameter

    30.1 mm

    Published for comparable RFT type Z560M

Characteristic

  • Anode Striking Voltage

    145 V

    Published for comparable RFT type Z560M

  • Anode Maintaining Voltage

    135 V

    Published for comparable RFT type Z560M

  • Anode Extinction Voltage

    120 V

    Published for comparable RFT type Z560M