IV-3A Reflector Soviet nixie tube Vintage Miniature Nixie VFD indicator tube Lot 6 pcs IV-3A Luminescent vacuum subminiature indicator. Designed to form numbers (0...9) and a decimal sign (dot) from individual luminous segments located in the same plane in computer devices. The glow is green. Durability of at least 10,000 hours. Weight no more than 7 g. Technical specifications: SD3.031.002TU. Main technical parameters of the luminescent vacuum indicator IV-3A: Sign size: 5.9 x 9.1 mm; Glow brightness: no less than 500 cd/m2; Number of segments: 8; Filament voltage: 0.7…1 V; Grid voltage: 20…30 V; Voltage of anode segments: 20…30 V; Filament current: 25…35 mA; Grid current: no more than 12 mA; Current of anode segments: no more than 0.45 mA; Ready time: no more than 0.2 s; Shelf life: 4 years; Minimum operating time: 10000 h