GR12H

Gas-filled cold-cathode alphabetic character indicator designed to display letter characters by selective glow discharge.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

GR12H is a cold-cathode alphabetic character indicator, classified as Nixie for this batch. The supplied sheet provides electrical operating/rating data and display information.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
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 plate voltage: 250 V
Max cathode current: 9 mA

Cold-cathode glow-display section; published electrical values retained as parameters.

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

196X Nixie Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

Anode Supply Voltage
250 V
Published datasheet value
Maximum Cathode Current
9 mA
Published datasheet value
Maximum Cathode Current Letter I
5 mA
Published datasheet value
Maximum Cathode Current Letters L and T
5.5 mA
Published datasheet value
Maximum Cathode Current Letters J and F
7.5 mA
Published datasheet value

Characteristic

Running Voltage Letter T
170 V
At 4.5 mA
Running Voltage Letters L and T
175 V
At 5.0 mA
Running Voltage Letters J and F
185 V
At 6.25 mA