The MMBT4401LT1G with ON Semiconductor Bipolar Transistors - BJT 600mA 60V NPN is a NPN type silicon epitaxial transistor manufactured by ON Semiconductor. It is designed for use in switching, linear and digital circuitry applications. It has high performance and good switching characteristics when configured properly. It also has a low collector-emitter saturation voltage and a low collector-emitter leakage current. It is suitable for use in a wide range of applications including power supplies, motor control, line drivers and other power circuits. It also can be used in LED lighting and display applications.