The LC-513 is a medium-sized numeric nixie tube made by Unitra-Dolam of Poland. In addition to the numbers it also has a left decimal point.
This is a very common form factor – there are many other Nixie tubes with the same digit size, envelope size, socket type and pin assignments.
| Digit size | 15.5mm |
| Min current | 1.5mA |
| Max current | 2.8mA |
| Base | B13B |
Datasheet:
LC-513 Datasheet