The MMBT3906, manufactured by Pingjingsemi, is a NPN (or PNP) SOT-23 RoHS transistor in an ultra-small surface mount package design. It has excellent high-frequency performance and low noise characteristics, making it ideal for use in RF, wireless, and other high-speed applications. With an operating voltage range from -65V to +150V, the MMBT3906 is suitable for a wide variety of applications in a variety of industries. Its ultra-small package design and lead-free manufacturing makes it ideal for use in automated assembly processes.