GR1

Gas-filled cold-cathode Nixie numerical indicator designed to display decimal digits by selective glow discharge of shaped cathodes.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B13B
Base pins: -
Nominal heater: -

Description

GR1 is a cold-cathode Nixie display tube listed in a Japanese numeric/symbol display-tube table. It displays 0–9. The table gives a maximum overall length of 44.5 mm, a maximum display diameter of 32 mm, and maximum power consumption of 0.5 W. Approximate visible distance is 13 m.

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: -
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

No fixed ratings are recorded for this section.

Cold-cathode display section. The source table publishes operating-point and mechanical data rather than conventional vacuum-tube gm/rp/mu ratings.

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

1969 Nixie Zennippon Shinkukan

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristics

Displayed symbols
0–9
Visible distance
13 m
Approximate

Other

Connection diagram number
2
See source basing/connection diagram
Maximum overall length
44.5 mm
Maximum display diameter
32 mm
Maximum power consumption
0.5 W
Anode supply DC voltage
170 V
Operating point at 170 V
Average anode current
2.5 mA
AnodeSupplyVoltage=170V; approximate
Series resistor Rp
15 kOhm
AnodeSupplyVoltage=170V
Anode supply DC voltage
200 V
Operating point at 200 V
Average anode current
2.5 mA
AnodeSupplyVoltage=200V; approximate
Series resistor Rp
28 kOhm
AnodeSupplyVoltage=200V
Anode supply DC voltage
250 V
Operating point at 250 V
Average anode current
2.5 mA
AnodeSupplyVoltage=250V; approximate
Series resistor Rp
50 kOhm
AnodeSupplyVoltage=250V
Anode supply DC voltage
300 V
Operating point at 300 V
Average anode current
2.5 mA
AnodeSupplyVoltage=300V; approximate
Series resistor Rp
70 kOhm
AnodeSupplyVoltage=300V