mmbt3906lt1g.pdf datasheet:

MMBT3906L, SMMBT3906LGeneral Purpose TransistorPNP SiliconFeatures AEC-Q101 Qualified and PPAP Capablehttp://onsemi.com S Prefix for Automotive and Other Applications Requiring UniqueSite and Control Change RequirementsCOLLECTOR3 These Devices are Pb-Free, Halogen Free/BFR Free and are RoHSCompliant1BASEMAXIMUM RATINGS2Rating Symbol Value UnitEMITTERCollector-Emitter Voltage VCEO -40 VdcCollector-Base Voltage VCBO -40 Vdc3Emitter-Base Voltage VEBO -5.0 Vdc1Collector Current - Continuous IC -200 mAdc 2Collector Current - Peak (Note 3) ICM -800 mAdcSOT-23 (TO-236)THERMAL CHARACTERISTICSCASE 318STYLE 6Characteristic Symbol Max UnitTotal Device Dissipation FR- 5 Board PD(Note 1) @ TA = 25C 225 mWMARKING DIAGRAMDerate above 25C 1.8 mW/CThermal Resistance, Junction-to-Ambient RqJA 556 C/W2A M GTotal Dev