bc303Download BC303 Datasheet. File Size: 122.29 Kbytes. Part #: BC303. Description: PNP SILICON AF MEDIUM POWER AMPLIFIERS & SWITCHES. Manufacturer: Micro Electronics.Download BC303 Datasheet. File Size: 122.29 Kbytes. Part #: BC303. Description: PNP SILICON AF MEDIUM POWER AMPLIFIERS & SWITCHES. Manufacturer: Micro Electronics.