bc303Part #: BC303 ; Part Category: Transistors ; Manufacturer: STMicroelectronics, Inc. ; Description: Small Snal Bipolar Transistor, 0.5A I(C), 60V V(BR)CEO, 1Part #: BC303. Download. File Size: 122Kbytes. Page: 2 Pages. Description: PNP SILICON AF MEDIUM POWER AMPLIFIERS & SWITCHES. Manufacturer: Micro Electronics.