mmbt2222aw.pdf datasheet:

MMBT2222AW312SOT-323(SC-70)ValueVCEO150833T ,Tstg -55 to+150JMMBT2222AW=P1(1)u1. Pulse Test: Pulse Width 300us, Duty Cycle 2.0%WEITRONhttp://www.weitron.com.twMMBT2222AWELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (Countinued)CharacteristicsSymbol Max UnitMinON CHARACTERISTICS(1)DC Current Gain-(IC=0.1 mAdc, VCE=10 Vdc)35-(IC=1.0 mAdc, VCE=10 Vdc)50-hFE(IC=10 mAdc, VCE=10 Vdc) -75(IC=150mAdc, VCE=10 Vdc) 300100-(IC=500 mAdc, VCE=10 Vdc) 40Collector-Emitter Saturation Voltage Vdc-0.3 (IC=150 mAdc, IB=15mAdc) VCE(sat)- (IC=500 mAdc, IB=50mAdc)1.0Base-Emitter Saturation Voltage VdcVBE(sat) (IC=150 mAdc, IB=15mAdc) 1.20.6 (IC=500 mAdc, IB=50mAdc) - 2.0SMALL-SIGNAL CHARACTERISTICSCurrent-Gain-Bandwidth Product -fT 300MHz (IC=20 mAdc, VCE=20 Vdc, f=100MHz)Out