BC 327 / BC 328 are PNP general-purpose transistors, packaged in TO-92 plastic small transistor standard package, with a power of 625mW, collector-emitter voltage of 45V, short-circuit collector-emitter voltage of 50V, emitter-base voltage of 5V, collector current of 800mA, peak collector current of 1A, base current of 100mA, collector-emitter current ratio of 100-630, and working temperature range of -65°C~150°C.