This part is a kind of semiconductor called BC807-16.

Function of this product has PNP Silicon AF Transistors (For general AF applications High collector current High current gain).

Manufacturers : Siemens Semiconductor Group

Image and pinout :

Some of the text within the PDF file :

PNP Silicon AF Transistors BC 807 BC 808 q q q q q For general AF applications High collector current High current gain Low collector-emitter saturation voltage Complementary types: BC 817, BC 818 (NPN) Type BC 807-16 BC 807-25 BC 807-40 BC 808-16 BC 808-25 BC 808-40 Marking 5As 5Bs 5Cs 5Es 5Fs 5Gs Ordering Code Q62702-C1735 Q62702-C1689 Q62702-C1721 Q62702-C1736 Q62702-C1504 Q62702-C1692 Pin Configuration 1 2 3 B E C Package1) SOT-23 1) For detailed information see chapter Package Outlines. Semiconductor Group 1 5.91 BC 807 BC 808 Maximum Ratings Parameter Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Peak collector current Base current Peak base current Junction temperature Storage temperature range Thermal Resistance Junction - am [ ... ]

BC807-16 PDF Datasheet Download