bc303Part #: BC303. Download. File Size: 122Kbytes. Page: 2 Pages. Description: PNP SILICON AF MEDIUM POWER AMPLIFIERS & SWITCHES. Manufacturer: Micro Electronics.Find many great new & used options and get the best deals for BC303 Transistor PNP bipolar 60V 0 5A 0 85W TO39 CDIL at the best on prices at eBay!