Numeric LED Displays ROHM Semiconductor Numeric LED Displays can be used for digital display modules to convey numeric information exclusively. The displays feature LEDs for segments forming digits, providing wide viewing angles and high contrast visibility. The common cathode and common anode displays offer wavelengths from 563nm to 650nm. The displays are available in through-hole and SMD/SMT mounting styles. Illumination colors are available in red, green, and orange. Character styles range from 4mm to 25.4mm. Luminous density ranges from 16mcd to 250mcd.