The C1815 with SOT-23 Bipolar Transistors - BJT ROHS is a NPN transistor manufactured by FUXINSEMI. It comes with a 2 pins base, a 2 pins emitter, and a single pin collector, making it easy to install in any circuit. It offers high current gain, low voltage rating, and low power consumption, and is designed to operate in temperature ranges from -55 to 150 °C, making it ideal for a wide range of electronic applications. It is a RoHS compliant, lead-free part, making it environmentally friendly. The C1815 also comes with a built-in ESD protection, ensuring that it is safe from transient spikes.