63.5mm 15-segment tube manufactured by Burroughs

The B-7971 is a 15-segment nixie tube manufactured by Burroughs. The first 14 segments can display all alphanumeric characters, and even custom symbol like arrows can be used. The 15th segment is an underscore. These tubes are perfect for all projects that require alphanumeric symbols or text. There tubes are rare and very expensive, they show up on ebay from time to time, and usually reach a price above 100$ per tube.
Brand / Manfacturer Burroughs
Same Types
Likely Tyes
Symbol height in mm 63.5
Characters / Symbols 15 Segments
Decimal point none
Base / Socket SK-137
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 140 V
Current per Segment 2mA
Reccomend Resistor 15kOhm = 2mA