IV-28 is a VFD (Vacuum Fluorescent Display) tube. This VFD tube can display numbers from 0 to 9 and point.

Color of light: GREEN;

Size of digit: 5.5 mm;

Number of segments in sign: 8;

Rated (nominal) voltage of filament, U: 4.5-5.5;

Pulse (max) voltage anodes-segments, U: 36;

Rated current of grid one sign, mA: 10-16;

Filament, consumption of current (nominal), mA: 90-110.