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!
|Symbol height (mm)||7.75|
|Starting Voltage (typ)||170V V|
|Maintaining Voltage (typ)||0 V|
|Current per Segment||2mA|
|Reccomend Resistor||15kOhm @ 170V, 75kOhm @ 250V, 110kOhm @ 300V according to datasheet|