ss8050.pdf datasheet:

SS8 050SOT-23 TRANSISTOR(NPN)FEATURES 1. BASE High Collector Current 2. EMITTER Complementary to SS8550 3. COLLECTOR MARKING: Y1MAXIMUM RATINGS (TA=25 unless otherwise noted) Symbol Parameter Value UnitsVCBO Collector-Base Voltage 40 V VCEO Collector-Emitter Voltage 25 V VEBO Emitter-Base Voltage 5 V IC Collector Current -Continuous 1.5 A PC Collector Power Dissipation 0.3 W Tj Junction Temperature 150 Tstg Storage Temperature -55-150 ELECTRICAL CHARACTERISTICS (Tamb=25 unless otherwise specified) Parameter Symbol Test conditions MIN TYP MAX UNITCollector-base breakdown voltage V(BR)CBO IC= 100A, IE=0 40 VCollector-emitter breakdown voltage V(BR)CEO IC= 0.1mA, IB=0 25 VEmitter-base breakdown voltage V(BR)EBO IE=100A, IC=0 5 VCollector cut-off current ICBO VCB=40V, IE=0 0.1 A Emitter cut-off current IEBO