The MMBT5401-MS with SOT-23 Bipolar Transistors – BJT ROHS is a bipolar junction transistor (BJT) manufactured by MSKSEMI. It is a three-pin device that is mounted onto a SOT-23 package. It is a NPN planar epitaxial transistor with medium ß, featuring excellent gain linearity, low saturation voltage, and low collector-emitter leakage current. It is a switching and amplifier transistor suited for applications such as small signal amplifiers, low-noise audio processing circuits, return signal amplifiers, area array drivers, etc. The device has a maximum collector-emitter voltage of 40V, collector current of 150mA, and power dissipation of 500 mW. It operates in temperature ranges of -55°C to 150°C and offers a maximum hFE of 300. The MMBT5401-MS is lead-free and RoHS-compliant.