This part is a kind of semiconductor called WPT2E33.

Function of this product has Power Transistor.

Manufacturers : Will Semiconductor

Image and pinout :

Some of the text within the PDF file :

WPT2E33 Single, PNP, -30V, -3A, Power Transistor Descriptions The WPT2E33 is PNP bipolar power transistor with very low saturation voltage. This device is suitable for use in charging circuit and other power management. Standard Product WPT2E33 is Pb-free. WPT2E33 Http//:www.willsemi.com SOT-89-3L C 4 Features z Ultra low collector-to-emitter saturation voltage z High DC current gain >100 z 3A continue collector current z Small package SOT-89-3L. 12 3 BCE Pin configuration (Top view) 4 WPT2E33 YYWW 12 3 Applications z Charging circuit z Power regulator z Other power management in portable equipments WPT2E33 YY WW Marking = Device code = Year = Week Order information Device Package Shipping WPT2E33-3/TR SOT-89-3L 1000/Reel&Tape Will Semiconductor Ltd. 1 Jun, 2011 - Rev.1.2 Abso [ ... ]

WPT2E33 PDF Datasheet Download