The PMBT2369.215 is a Nexperia NPN bipolar transistor with a 15V voltage rating, a 200mA current rating, a 250mW power rating, and is packaged in a SOT23 case. It is designed for use in audio amplification, DC-DC converters, signal processing circuits, and other low power applications. It has excellent DC current gain and fast switching times, making it ideal for use in robust, lightweight circuits.