BR -BU -BY Series Transistors
BR to BU series transistors from silicon-ark.co.uk
i.e BRC5296, BRY39 ....BSW67A,... BSY52.... BU102,BU205,BU208.....
All items are also listed in the BIPOLAR TRANSISTORS section , however this section just saves you time searching.
Most BR and BU series transistor .pdf datasheets available for download (these will go to your downloads folder)