This part is a kind of semiconductor called BCW29.

Function of this product has Surface mount Si-Epitaxial PlanarTransistors.

Manufacturers : Diotec Semiconductor

Image and pinout :

Some of the text within the PDF file :

BCW29, BCW30 BCW29, BCW30 PNP Surface Mount General Purpose Si-Epi-Planar Transistors Si-Epi-Planar Universaltransistoren für die Oberflächenmontage Version 2006-07-28 2.9 ±0.1 0.4 3 Type Code 1 2 1.1 1.9 Dimensions - Maße [mm] 1=B 2=E 3=C 2.5 max 1.3±0.1 Power dissipation – Verlustleistung Plastic case Kunststoffgehäuse Weight approx. – Gewicht ca. Plastic material has UL classification 94V-0 Gehäusematerial UL94V-0 klassifiziert Standard packaging taped and reeled Standard Lieferform gegurtet auf Rolle PNP 250 mW SOT-23 (TO-236) 0.01 g Maximum ratings (TA = 25°C) Collector-Emitter-volt. – Kollektor-Emitter-Spannung Collector-Base-voltage – Kollektor-Basis-Spannung Emitter-Base-voltage – Emitter-Basis-Spannung Power dissipation – Verlustleistung Collector [ ... ]

BCW29 PDF Datasheet Download