ss8050.pdf datasheet:

SS8050 TRANSISTOR (NPN) SOT-23 FEATURES Complimentary to SS8550 1BASE 2EMITTER 3COLLECTOR MARKING: Y1 MAXIMUM RATINGS (TA=25 unless otherwise noted) Symbol Parameter Value Units VCBO 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 V Collector-emitter breakdown voltage V(BR)CEO IC= 0.1mA, IB=0 25 V Emitter-base breakdown voltage V(BR)EBO IE=100A, IC=0 5 V Collector cut-off current ICBO VCB=40V, IE=0 0.1 A Collector cut-off current ICEO VCB=20V, IE=0 0.1 A