bd 303Inchange Semiconductor Company Limited's BD303 is a trans gp bjt npn 60v 8a 55000mw 3-pin (3+tab) to-220c. in the bipolar transistors, gp bjt category. Check part details,Get BD303 NPN transistor Datasheets, PDF, Specification, Characteristics, Material, Polarity, Power Dissipation, Package and Symbols. Find BD303 transistor equivalent substitute.