Collector−Emitter Voltage VCEO −45 Vdc Collector−Emitter Voltage VCES −50 Vdc Emitter−Base Voltage VEBO −5.0 Vdc Collector Current − Continuous IC −800 mAdc Total Power Dissipation @ TA = 25°C Derate above TA = 25°C PD 625 5.0 mW mW/°C Total Power Dissipation @ TA = 25°C Derate above TA = 25°C PD 1.5 12 W mW/°C Operating and Storage Junction Temperature Range TJ, Tstg −55 to +150 °C

Datasheet: https://www.onsemi.com/pub/Collateral/BC327-D.PDF