The requested file:
https://pdf.datasheetcatalog.com/datasheet/infineon/1-bc856_bc857_bc858_bc859_bc860_1.pdf
is the data sheet for the following electronic components:

Infineon

#	Part Name	Description
1	BC856A	General Purpose Transistors - SOT23 package
2	BC856B	General Purpose Transistors - SOT23 package
3	BC857A	General Purpose Transistors - SOT23 package
4	BC857B	General Purpose Transistors - SOT23 package
5	BC857C	General Purpose Transistors - SOT23 package
6	BC858A	General Purpose Transistors - SOT23 package
7	BC858B	General Purpose Transistors - SOT23 package
8	BC858C	General Purpose Transistors - SOT23 package
9	BC859A	General Purpose Transistors - SOT23 package
10	BC859B	General Purpose Transistors - SOT23 package
11	BC859C	General Purpose Transistors - SOT23 package
12	BC860B	General Purpose Transistors - SOT23 package
13	BC860C	General Purpose Transistors - SOT23 package

Select the part name and then you can download the datasheet in PDF format.