18mm symbol tube manufactured by Gazotron

The IN-19A is a clear glass nixie tube made by Gazotron in Ukraine. It can display various special characters, needed in measurement devices. This tube is perfect for thermometer projects, because it can display the character "degree celsius" and a IN-19B can be used for plus and minus. Its very common and broadly available for a fair price. The size is the same as the IN-14 numeric, IN-19B and IN-19V special character tubes.
Same Types
Likely Tyes
Symbol height (mm)18
Decimal pointnone
Starting Voltage (typ)170 V
Maintaining Voltage (typ)145 V
Current per Segment2mA
Reccomend Resistor12.6kOhm = 2mA