B4998
7.75mm numeric tube manufactured by Burroughs
The B4998 is a very small numeric nixie tube manufactured by Burroughs. It is the smallest known numeric endview nixie tube, there is only a symbol tube from Burroughs which has a smaller height than this tube! This tube feels almost weightless and very fragile!
| Brand / Manfacturer | Burroughs |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 7.75 |
| Characters / Symbols | 0-9 |
| Decimal point | none |
| Base / Socket | unknown |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 0 V |
| Current per Segment | 2mA |
| Reccomend Resistor | 15kOhm @ 170V, 75kOhm @ 250V, 110kOhm @ 300V according to datasheet |