This part is a kind of semiconductor called BC338-25.

Function of this product has Amplifier Transistor.

Manufacturers : Motorola Inc

Image and pinout :

Some of the text within the PDF file :

BC 337 / BC 338 NPN Si-Epitaxial PlanarTransistors General Purpose Transistors NPN 625 mW TO-92 (10D3) 0.18 g Power dissipation – Verlustleistung Plastic case Kunststoffgehäuse Weight approx. – Gewicht ca. Plastic material has UL classification 94V-0 Gehäusematerial UL94V-0 klassifiziert Standard Pinning 1=C 2=B 3=E Standard packaging taped in ammo pack Standard Lieferform gegurtet in Ammo-Pack Maximum ratings (TA = 25/C) Collector-Emitter-voltage Collector-Base-voltage Emitter-Base-voltage Power dissipation – Verlustleistung Collector current – Kollektorstrom (DC) Junction temp. – Sperrschichttemperatur Storage temperature – Lagerungstemperatur B open E open C open VCE0 VCB0 VEB0 Ptot IC Tj TS Grenzwerte (TA = 25/C) BC 337 45 V 50 V 5V 625 mW 1) 800 mA 150/C - 55…+ 15 [ ... ]

BC338-25 PDF Datasheet Download