The TIP127 transistor by Youwang Electronics is a NPN bipolar junction transistor housed in a TO-252 RoHS-compliant plastic package. It features a maximum collector-emitter voltage of 800V, maximum collector current of 5A, and a maximum collector power dissipation of 25W. It is designed for use in applications such as motor control, relay drivers, electronic switch circuits, power drivers, and other switching applications. The TIP127 provides excellent switching speed and linear amplification characteristics. It also has low leakage current, high breakdown voltage, and low saturation voltage.