cmpta44.pdf datasheet:

CMPTA44www.centralsemi.comSURFACE MOUNTEXTREMELY HIGH VOLTAGE DESCRIPTION:NPN SILICON TRANSISTORThe CENTRAL SEMICONDUCTOR CMPTA44 type is a surface mount epoxy molded silicon planar epitaxial transistor designed for extremely high voltage applications.MARKING CODE: C3ZSOT-23 CASEMAXIMUM RATINGS: (TA=25C) SYMBOL UNITSCollector-Base Voltage VCBO 450 VCollector-Emitter Voltage VCEO 400 VEmitter-Base Voltage VEBO 6.0 VContinuous Collector Current IC 300 mAPower Dissipation PD 350 mWOperating and Storage Junction Temperature TJ, Tstg -65 to +150 CThermal Resistance JA 357 C/WELECTRICAL CHARACTERISTICS: (TA=25C unless otherwise noted)SYMBOL TEST CONDITIONS MIN MAX UNITSICBO VCB=400V 100 nAICES VCE=400V 500 nAIEBO VBE=4.0V 100 nABVCBO IC=100A 450 VBVCES IC=100A 450 VBVCEO IC=1.0mA 400 VBVEBO IE=10A 6.0 VVCE(SAT) IC=1.0