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 .Replacement and Equivalent for BC303 transistor. You can replace the BC303 with the 2N5323, BC161 or BC461. If you find an error please send an email to mail