This part is a kind of semiconductor called BCW68F.
Function of this product has PNP SILICON PLANAR MEDIUM POWER TRANSISTOR.
Manufacturers : Zetex Semiconductors
Image and pinout :

Some of the text within the PDF file :
SOT23 PNP SILICON PLANAR MEDIUM POWER TRANSISTOR ISSUE 5 - MARCH 2001 PARTMARKING DETAILS – BCW68F – BCW68G – BCW68H – DF DG DH BCW68FR – BCW68GR – BCW68HR – 7T 5T 7N BCW68 C B E COMPLEMENTARY TYPES – BCW66 ABSOLUTE MAXIMUM RATINGS. PARAMETER Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Peak Pulse Current(10ms) Continuous Collector Current Base Current Power Dissipation at T amb=25°C Operating and Storage Temperature Range SYMBOL V CES V CEO V EBO I CM IC IB P tot T j:T stg VALUE -60 -45 -5 -1000 -800 -100 330 -55 to +150 SOT23 UNIT V V V mA mA mA mW °C TBA BCW68 ELECTRICAL CHARACTERISTICS (at Tamb = 25°C unless otherwise stated). PARAMETER SYMBOL MIN. TYP. MAX. UNIT CONDITIONS. Collector-Emitter Breakdown Voltage V (BR)CEO V (BR)CES [ ... ]
BCW68F PDF Datasheet Download
