This part is a kind of semiconductor called SMD5050.

Function of this product has White SMD LED.

Manufacturers : Synergy21

Image and pinout :

Some of the text within the PDF file :

SMD5050 White SMD LED Features 1. Package: 5.0*5.0*1.6mm (TOP view white LED) 2. Emitted Color: White 3. Mono-color type 4. Soldering methods: All SMT assembly methods 5. Comply ROHS standard Applications 1. LCD back light. 2. Mobile phones: LCD, 3. Status indicators: Consumer&industrial electronics 4. General use Absolute Maximum Ratings(Ta=25°C) Parameter Power Dissipation Forward Current Peak Forward Current *1 Reverse Voltage Soldering Temperature Operating Temperature Storage Temperature Electrostatic discharge Symbol Pd IF IFP VR Tsol Topr Tstg ESD Rating 180 60 180 5 260 (for 5 sec) -30 - 85 -40 - 85 2000 Unit mW mA mA V °C °C °C V Absolute Maximum Ratings(Ta=25°C) Parameter Power Dissipation Forward Current Peak Forward Current *1 Reverse Voltage Soldering Temperature Operati [ ... ]

SMD5050 PDF Datasheet Download