BR - BY Series Transistors
BR to BU series transistors from silicon-ark.co.uk
i.e BRC5296, BRY39 ....BSW67A,... BS208,... BSV52,...BSY52....BSX20... BU102,BU205,BU208.....
All items are also listed in the BIPOLAR TRANSISTORS section , however this section just saves you time searching.
Most BR to BU series transistor .pdf datasheets available for download (these will go to your downloads folder)
Use top search bar if you know the device number.