The BC547C from Diotec Semiconductor is a General-Purpose NPN Transistor. It has a collector-emitter breakdown voltage of over 45 V, a base-emitter voltage of 5 V, and a collector-emitter saturation voltage of less than 200 mV. This RoHS-compliant transistor has a collector current of up to 100 mA and a peak collector current of less than 200 mA. It is available in a through-hole package that measures 17.1 x 4.6 mm and is ideal for signal processing, amplification and switching applications.