bc303Download BC303 Datasheet. File Size: 122.29 Kbytes. Part #: BC303. Description: PNP SILICON AF MEDIUM POWER AMPLIFIERS & SWITCHES. Manufacturer: Micro Electronics.BC303 datasheet (Bipolar PNP Device) from Seme LAB. 436 units in stock, available from $1.04unit. Get specifications, features, and application details in PDF. Download the BC303