View s9018 datasheet:

Shenzhen Tuofeng Semiconductor Technology Co., Ltd TO-92 Plastic-Encapsulate Transistors TO 92 S9018 TRANSISTOR (NPN) 1.EMITTER FEATURES 2.BASE High Current Gain Bandwidth Product 3.COLLECTOR MAXIMUM RATINGS (Ta=25 unless otherwise noted) Symbol Parameter Value UnitVCBO Collector-Base Voltage 25 V VCEO Collector-Emitter Voltage 18 V VEBO Emitter-Base Voltage 4 V IC Collector Current -Continuous 50 mA PC Collector Power Dissipation 0.4 W RJA Thermal Resistance From Junction To Ambient 312.5 /WTj Junction Temperature 150 Tstg Storage Temperature -55~+150 ELECTRICAL CHARACTERISTICS (Ta=25 unless otherwise specified) Parameter Symbol Test conditions Min Typ Max UnitCollector-base breakdown voltage V(BR)CBO IC=100A,IE=0 25 VCollector-emitter breakdown voltage V(BR)CEO IC=0.1mA,IB=0 18 VEmitter-base breakdown voltage

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