bc303Type Desnator: BC303 Material of Transistor: Si Polarity: PNP Maximum Collector Power Dissipation (Pc): 0.85 W Maximum CollectorBC303 datasheet PDF download, CDIL Transistors - Bipolar (BJT) - Single, Pre-Biased BC303 Specifications: Transistor: PNP; bipolar; 60V; 0.5A; 0.85W; TO39.