This part is a kind of semiconductor called BC856.

Function of this product has PNP GENERAL PURPOSE TRANSISTORS.

Manufacturers : Pan Jit International

Image and pinout :

Some of the text within the PDF file :

BC856 SERIES DATA SHEET PNP GENERAL PURPOSE TRANSISTORS VOLTAGE 65/45/30 Volts POWER 225 mW SOT- 23 FEATURES General Purpose Amplifier Applications NPN Epitaxial Silicon, Planar Design Collector Current IC = -100mA Complimentary (PNP) Devices : BC846/BC847/BC848/BC849 Series Pb free product are available : 99% Sn above can meet RoHS environment substance directive request .056(1.40) .047(1.20) .119(3.00) .110(2.80) .083(2.10) .066(1.70) MECHANICAL DATA Case: SOT-23 Terminals : Solderable per MIL-STD-750,Method 2026 Approx Weight: 0.008 grams Device Marking : .006(.15)MAX .020(.50) .014(.35) .044(1.10) .035(0.90) .007(.20)MIN .103(2.60) .086(2.20) Unit: inch (mm) .006(.15) .002(.05) BC856A=56A BC857A=57A BC856B=56B BC857B=57B BC857C=57C BC858A=58A BC858B=58B BC858C=58C BC85 [ ... ]

BC856 PDF Datasheet Download