The SZ-8 is a medium sized, end-view Nixie tube made in China. This example was made by Universe. It is one of many tubes with the same form-factor and pin-out that fits the B13B socket.
| Digit size | 15.5mm |
| Min current | 1mA |
| Max current | 3mA |
| Base | B13B |
Datasheet
SZ-8 Datasheet