This part is a kind of semiconductor called BC847.
Function of this product has 100 mA NPN general-purpose transistors.
Manufacturers : NXP
Image and pinout :
Some of the text within the PDF file :
BC847 series 45 V, 100 mA NPN general-purpose transistors Rev. 9 23 September 2014 Product data sheet 1. Product profile 1.1 General description NPN general-purpose transistors in Surface-Mounted Device (SMD) plastic packages. Table 1. Product overview Type number[1] Package NXP BC847 SOT23 BC847A BC847B BC847C BC847W SOT323 BC847AW BC847BW BC847CW BC847T SOT416 BC847AT BC847BT BC847CT BC847AM SOT883 BC847BM BC847CM JEITA - SC-70 SC-75 SC-101 [1] Valid for all available selection groups. JEDEC TO-236AB - - - PNP complement BC857 BC857A BC857B BC857C BC857W BC857AW BC857BW BC857CW BC857T BC857AT BC857BT BC857CT BC857AM BC857BM BC857CM 1.2 Features and benefits General-purpose transistors SMD plastic packages Three different gain selections �� [ ... ]