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

Function of this product has NPN Transistor.

Manufacturers : JCET

Image and pinout :

Some of the text within the PDF file :

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors BC337,-16,-25,-40 TRANSISTOR (NPN) BC338, -16,-25,-40 TO-92 FEATURES Power dissipation 1. COLLECTOR PCM: 0.625 W (Tamb=25℃) 2. BASE Collector current ICM: 0.8 A Collector-base voltage VCBO: BC337 50 V BC338 30 V Operating and storage junction temperature range 3. EMITTER 123 TJ, Tstg: -55℃ to +150℃ ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Symbol Test conditions MIN TYP MAX Collector-base breakdown voltage BC337 BC338 Collector-emitter breakdown voltage BC337 BC338 VCBO VCEO Ic= 100µA, IE=0 IC= 10 mA , IB=0 50 30 45 25 Emitter-base breakdown voltage Collector cut-off current Collector cut-off current BC337 BC338 BC337 BC338 Emitter c [ ... ]

BC338-25 PDF Datasheet Download