7009

Gas-filled cold-cathode Nixie numerical/readout tube for direct digit indication in electronic instruments and counting equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: SK116
Base pins: -
Nominal heater: -

Description

7009 is a gas-filled cold-cathode Nixie numerical/readout device. The shared catalog identifies it with the 7009 electrical family, using a maximum ionization voltage of 170 V and a recommended minimum supply of 170 V.

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

Max cathode current: 2 mA
Regulator minimum current: 0.7 mA
Regulator maximum current: 1.2 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

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
2 mA
Cathode Current Average
1 mA
Individual Cathode Wattage Maximum
0.2 W
Test Supply Voltage
170 V
Test Series Resistor
68 kOhm
Display Size Class
Miniature
Numeral Height
0.305 in
Recommended Socket
SK116
Recommended Supply Voltage
170 V
Series resistor 68 kOhm
Recommended Series Resistor
68 kOhm
Supply voltage 170 V
Recommended Supply Voltage
250 V
Series resistor 150 kOhm
Recommended Series Resistor
150 kOhm
Supply voltage 250 V
Recommended Supply Voltage
300 V
Series resistor 200 kOhm
Recommended Series Resistor
200 kOhm
Supply voltage 300 V

Characteristic

Cathode Current Minimum
0.7 mA
Cathode Current Maximum
1.2 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

Other

Ionization Voltage
170 V
Supply Voltage
170 V
Peak Cathode Current
2 mA
Typical Supply Voltage
170 V
Series Resistance
68000 ohm
Cathode Current Minimum
0.7 mA

Data set 03

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
2 mA
Peak
Cathode current
1 mA
Average
Individual cathode dissipation
0.2 W
Maximum
Anode supply voltage
170 V
BasicCircuit test condition
Anode series resistor
68 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
68 kOhm
Anode supply 170 V
Recommended anode series resistor
150 kOhm
Anode supply 250 V
Recommended anode series resistor
200 kOhm
Anode supply 300 V
Pre-bias voltage
60 to 75 V
Referenced to on cathode