ss8050.pdf datasheet:

SS8050SS8050 TRANSISTOR (NPN) SS8050FEATURES Complimentary to SS8550 SOT-23 1BASE MARKING: Y1 2EMITTER 3COLLECTOR MAXIMUM RATINGS (TA=25 unless otherwise noted) Symbol Parameter Value UnitsVCBO Collector-Base Voltage 40 VVCEO Collector-Emitter Voltage 25 VVEBO Emitter-Base Voltage 5 VIC Collector Current -Continuous 1.5 APC Collector Power Dissipation 0.3 W Tj Junction Temperature 150 Tstg Storage Temperature -55-150ELECTRICAL 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 ACollector cut-off current ICEO VCB=20V, IE=0 0.1 A