The EMX1 with SOT-563 Bipolar Transistors - BJT ROHS is a Bipolar Junction Transistor (BJT) device manufactured by Changjing Electronics Technology. It is a Surface-Mount Transistor (SMT) device, with a SOT-563 package footprint. It features three terminals, the Base, Collector and Emitter, and is a NPN type BJT. It is a low-power, high-speed transistor, suitable for low voltage and high current switching applications, including amplifiers, linear regulators, and audio applications, amongst others. It is ROHS compliant, and comes with an MSL rating of 3b.