B4021
7.8mmmm numeric tube manufactured by Burroughs
The B4021 is a very small numeric endview nixie tube manufactured by Burroughs. It has a very low ionization voltage of only 120V. The B4024 is very similar but has letters and numbers
| Brand / Manfacturer | Burroughs |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 7.8mm |
| Characters / Symbols | 0-9 |
| Decimal point | none |
| Base / Socket | SK-116 |
| Starting Voltage (typ) | 120 V |
| Maintaining Voltage (typ) | 100 V |
| Current per Segment | 1mAmA |
| Reccomend Resistor | 20kOhm @ 120V |
