This part is a kind of semiconductor called NFSL757GT.

Function of this product has LED.

Manufacturers : NICHIA

Image and pinout :

Some of the text within the PDF file :

NICHIA STS-DA1-3538B NICHIA CORPORATION SPECIFICATIONS FOR WARM WHITE LED NFSL757GT ● Pb-free Reflow Soldering Application ● Built-in ESD Protection Device ● RoHS Compliant SPECIFICATIONS NICHIA STS-DA1-3538B (1) Absolute Maximum Ratings Item Symbol Absolute Maximum Rating Forward Current IF 180 Pulse Forward Current IFP 240 Allowable Reverse Current IR 85 Power Dissipation PD 594 Operating Temperature Topr -40~100 Storage Temperature Tstg -40~100 Junction Temperature TJ 120 * Absolute Maximum Ratings at TS=25°C. * IFP conditions with pulse width ≤10ms and duty cycle ≤10%. Unit mA mA mA mW °C °C °C (2) Initial Electrical/Optical Characteristics Item Symbol Forward Voltage R70 R8000 R9050 Luminous Flux Luminous Fl [ ... ]

NFSL757GT PDF Datasheet Download