CK1907 Engineering Sample

13mm symbol tube manufactured by Raytheon

The CK1907 is a clear glass numerical nixie tube manufactured by Raytheon. It can display a plus and minus sign. This tube is a endineering sample by Raytheon and on a closer look, there can be found some differences to the series CK1907 tubes. This tube is very rare since its an engineering sample, and it can not be defined how many of these samples actually exist
Brand / Manfacturer Raytheon
Same Types
Likely Tyes
Symbol height in mm 13
Characters / Symbols +,-
Decimal point none
Base / Socket RTS-11
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 130 V
Current per Segment 2.5mA
Reccomend Resistor 16kOhm