2n3906u.pdf datasheet:

SEMICONDUCTOR2N3906UTECHNICAL DATAGeneral Purpose Transistors PNP Silicon FEATURESWe declare that the material of product compliant withRoHS requirements and Halogen Free. DEVICE MARKING AND ORDERING INFORMATION3Device Marking Shipping 2N3906U 2A 3000/Tape&Reel12SC-70 / SOT 323 MAXIMUM RATINGS(Ta = 25)Parameter Symbol Limits UnitCollectorEmitter Voltage VCEO 40 VdcCollectorBase Voltage VCBO 40 Vdc3COLLECTOREmitterBase Voltage VEBO 5 VdcCollector Current Continuous IC 200 mAdc1BASE2EMITTER THERMAL CHARACTERISTICSTotal Device Dissipation, PD 150 mW (Note 1) @ TA = 25CThermal Resistance, RJA 833 /WJunctiontoAmbient+150 Junction and Storage temperature TJ,Tstg -551. Device mounted on FR4 glass epoxy printed circuit board using the minimum recommended footprint.