The LNG21LRKR from Panasonic Corporation is a LED with Forward Voltage 2.2 to 2.8 V, Forward Current 25 mA, Luminous Intensity cd 0.0015 to 0.004 cd, Luminous Intensity mcd 1.5 to 4.0 mcd, Reverse Current 5 µA. More details for LNG21LRKR can be seen below.