The SLR343EC4T from ROHM Semiconductor is a LED with Forward Voltage 3.2 to 3.3 V, Forward Current 30 mA, Luminous Intensity cd 0.42 to 1.5 cd, Luminous Intensity mcd 420 to 1500 mcd, Reverse Current 100 uA. More details for SLR343EC4T can be seen below.