This part is a kind of semiconductor called S9011.

Function of this product has NPN Transistor.

Manufacturers : WEJ

Image and pinout :

Some of the text within the PDF file :

RoHS S9011 S9011 F EATURE Pow er dissipation P CM: TRANSISTOR (NPN) TO-92 1 . EMITTER 2. BASE 0 .31 W (Tamb=25℃) 3. COLLECTOR Co llector current I CM: 0 .03 A C ollector-base voltage V (BR)CBO: 30 V Operating and storage junction temperature range Tj, Tstg: - 55℃ to +150℃ E LECTRICAL CH ARACTERISTICS (Tamb=25℃ u nless o therwise sp ecified) P arameter Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO V ICBO Test Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cut-off current Collector cut-off current Emitter cut-off current DC current gain Collector-emitter saturation voltage Base-emitter voltage W Transition frequency CLASSIFICATION OF hFE(1) Rank D 28-45 39E 60 54F 80 G 72-108 H 97-146 I 132-198 J 180-270 J E E C [ ... ]

S9011 PDF Datasheet Download