The C503B-BAS/BAN from Cree LED is a LED with Forward Voltage 3 to 3.8 V, Forward Current 30 mA, Luminous Intensity cd 4180 to 11000 mcd, Luminous Intensity mcd 4180 to 11000 mcd, Reverse Current 100 µA. More details for C503B-BAS/BAN can be seen below.