The LNJ998CKCDA from Panasonic Corporation is a LED with Forward Voltage 3.1 to 4.0 V, Forward Current 30 mA, Luminous Intensity cd 0.2 to 0.4 cd, Luminous Intensity mcd 200 to 400 mcd, Reverse Current 10 µA. More details for LNJ998CKCDA can be seen below.