cmut3904.pdf datasheet:

CMUT3904 NPNCMUT3906 PNPwww.centralsemi.comSURFACE MOUNTDESCRIPTION:COMPLEMENTARYThe CENTRAL SEMICONDUCTOR CMUT3904, SILICON TRANSISTORSCMUT3906 types are complementary silicon transistors manufactured by the epitaxial planar process, epoxy molded in an ULTRAmini surface mount package, designed for small signal general purpose amplifier and switching applications.MARKING CODES: CMUT3904: AC1CMUT3906: AC2SOT-523 CASEMAXIMUM RATINGS: (TA=25C) SYMBOL CMUT3904 CMUT3906 UNITSCollector-Base Voltage VCBO 60 40 VCollector-Emitter Voltage VCEO 40 40 VEmitter-Base Voltage VEBO 6.0 5.0 VContinuous Collector Current IC 200 mAPower Dissipation PD 250 mWOperating and Storage Junction Temperature TJ, Tstg -65 to +150 CThermal Resistance JA 500 C/WELECTRICAL CHARACTERISTICS: (TA=25C unless otherwise noted)CMUT3904 CMUT3906SYMBOL TEST CO