This part is a kind of semiconductor called SS8050.

Function of this product has Plastic-Encapsulate Transistors.

Manufacturers : YS

Image and pinout :

Some of the text within the PDF file :

DATA SHEET SEMICONDUCTOR TO-92 Plastic-Encapsulate Transistors FEATURES Power dissipation PCM : 1 W :2W (TA=25℃) (TC=25℃) SS8050 TRANSISTOR (NPN) TO-92 1. EMITTER 2. BASE 3. COLLECTOR MAXIMUM RATINGS* TA=25℃ unless otherwise noted Symbol Parameter VCBO Collector-Base Voltage VCEO Collector-Emitter Voltage VEBO Emitter-Base Voltage IC Collector Current -Continuous TJ, Tstg Junction and Storage Temperature Value 40 25 5 1500 -55-150 123 Units V V V mA ℃ *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Symbol Test conditions MIN TYP MAX UNIT Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base [ ... ]

SS8050 PDF Datasheet Download