The requested file:
https://pdf.datasheetcatalog.com/datasheet/infineon/1-bc846_bc847_bc848_bc849_bc850_2.pdf
is the data sheet for the following electronic components:

Infineon

#	Part Name	Description
1	BC846A	General Purpose Transistors - SOT23 package
2	BC846B	General Purpose Transistors - SOT23 package
3	BC847A	General Purpose Transistors - SOT323 package
4	BC847B	General Purpose Transistors - SOT323 package
5	BC847C	General Purpose Transistors - SOT323 package
6	BC848A	General Purpose Transistors - SOT23 package
7	BC848B	General Purpose Transistors - SOT323 package
8	BC848C	General Purpose Transistors - SOT323 package
9	BC849	Low-Noise-Transistors - VCEO=30V; ICM=200 mA
10	BC849B	General Purpose Transistors - SOT323 package
11	BC849C	General Purpose Transistors - SOT323 package
12	BC850B	General Purpose Transistors - SOT23 package
13	BC850C	General Purpose Transistors - SOT23 package

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