bc303Replacement 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 mailBC303: 133Kb 3P: PNP EXPITAXIAL PLANAR SILICON TRANSISTORS List of Unclassifed Man... BC303: 45Kb 2P: BABC Series: 1.5 - 6.0 Watts Single and Dual Outputs Seme LAB: