#bc548

BC548 Transistor – The BC548 is a general-purpose NPN bipolar junction transistor commonly used in European and American electronic equipment. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where a general-purpose transistor is required. BC548 transistor can be used in many general purpose applications; you can use it in the replacement of other general purpose transistor BC547, BC548 etc.