bc303The 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 .Part #: BC303. Download. File Size: 16Kbytes. Page: 1 Pages. Description: Bipolar PNP Device in a Hermetically sealed TO39. Manufacturer: Seme LAB.