The PLW5630DB-4000 from Plessey Semiconductors Ltd is a LED with Forward Voltage 2.8 to 3.4 V, Forward Current 17 mA, Luminous Flux 56 to 78 Im, Reverse Current 10 µA, Operating Temperature -40 to 85 Degree C. More details for PLW5630DB-4000 can be seen below.