This part is a kind of semiconductor called SS8050.
Function of this product has NPN General Purpose Transistors.
Manufacturers : Weitron Technology
Image and pinout :

Some of the text within the PDF file :
NPN General Purpose Transistors P b Lead(Pb)-Free SS8050 TO-92 1. EMITTER 2. BASE 3. COLLECTOR 123 MAXIMUM RATINGS(TA=25˚C unless otherwise noted) Rating Collector-Base Voltage Symbol VCBO Collector-Emitter Voltage VCEO Emitter-Base Voltage VEBO Collector Current-Continuous IC Total Device Dissipation TA=25°C Junction and Storage, Temperature PD TJ,Tstg Value 40 25 5 1.5 1.0 -55 to +150 Unit V V V A W °C ELECTRICAL CHARACTERISTICS (TA=25˚C unless otherwise noted) Characteristics Symbol Min Collector-Base Breakdown Voltage IC=100µA, IE=0 Collector-Emitter Breakdown Voltage IC=0.1mA, IB=0 Emitter Base Breakdown Voltage IE=100µA, IC=0 Collector cut-off current VCB=40V, IE=0 Emitter cut-off current VCE=20V, IE=0 Emitter cut-off current VEB=5V, IC=0 V(BR)CBO V(BR) [ ... ]
SS8050 PDF Datasheet Download
