6PCS IV-12 IV 12 IV12 NIXIE VFD REFLECTOR TUBES! NOS! OTK! RARE!All Tubes are made by REFLECTOR military plant and have "OTK" test marking. The main technical parameters of the vacuum fluorescent display IV-12: Character size: 14.6 x 21 mm; Brightness: not less than 500 cd/m2; Number of segments: 7; Heater voltage: not more than 1.65V; Power Grid: less than 30V; The voltage anode segments: less than 30V; Heater current: less than 110mA; Current network: no more than 12 mA; Current anode segments: less than 4 mA; Warm-up time: less than 1 second; Minimum time: 5000 hours | 
