2sc945.pdf datasheet:

SMD TypeSMD Type si o orsSMD Type TranDistdesNPN Transistors2SC945SOT-23Unit: mm+0.12.9 -0.1+0.10.4-0.13 Features Collector current up to 150mA High hFE linearity1 2 Complementary to 2SA733+0.1+0.050.95 -0.1 0.1 -0.01+0.11.9 -0.11.Base2.Emitter3.collector Absolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector to base voltage VCBO 60 VCollector to emitter voltage VCEO 50 VEmitter to base voltage VEBO 5 VCollector current (DC) IC 150 mA Power dissipation PC 200 mWJunction temperature Tj 150Storage temperature range Tstg -55 to +150 Electrical Characteristics Ta = 25Parameter Symbol Test Conditions Min Typ Max UnitCollector-base breakdown voltage V(BR)CBO IC=100 A, IE=0 60 VCollector-emitter breakdown voltage V(BR)CEO IC=1mA , IB=0 50 VEmitter-base breakdown volt