bc303Part #: BC303. Download. File Size: 133Kbytes. Page: 3 Pages. Description: PNP EXPITAXIAL PLANAR SILICON TRANSISTORS. Manufacturer: Continental Device IndiaThe complementary NPN transistor to the BC303 is the BC301. Replacement and Equivalent for BC303 transistor You can replace the BC303 with the 2N5323 , BC161 or BC461 .