This part is a kind of semiconductor called 2N3927.
Function of this product has (2N3924 - 2N3927) Silicon Epitaxial Planar Overlay Transistors.
Manufacturers : NXP
Image and pinout :

Some of the text within the PDF file :
www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com www.datasheet4u.com [ ... ]
2N3927 PDF Datasheet Download
