c945.pdf datasheet:

C945NPN TransistorsTO-92P b Lead(Pb)-Free1. EMITTER122. COLLECTOR33. BASE0.4Junction Temperature Tj +150 CStorage Temperature T -40 to + 150 CSTGWEITRON1/4 08-Feb-06http://www.weitron.com.twC945ELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (Countinued)Characteristics Symbol Min Typ Max UnitON CHARACTERISTICSDC Current GainhFE1VCE=6.0V, IC=1mA 70--700hFE2VCE=6.0V, IC=0.1mA 40Collector-Emitter Saturation Voltage- 0.3VVCE(sat) -IC=100mA, IB=10mABase-Emitter VoltageVBE(sat)- - 1.0 VIC=100mA, IB=10mATransitionFrequencefT200 - - MHzVCE = 6V, IC = 10mA, f = 30MHzCollector Output CapacitanceCob - - 3.0 pFVCB = 10V, IE = 0, f = 1MHzNoise figureNF - 4.0 10 dBVCE = 6V, IC = 0.1mA, Rg = 10k, f = 1KMHzCLASSIFICATION OF hFE1O YRank GR BLRange70-140 120-240 200-400 350-700WE