The ZXTP4003ZTA Bipolar Transistor LED Driver SOT89 T&R 1K from Diodes Incorporated is a high-performance BJT(Bipolar Junction Transistor) designed for driving LEDs. It offers excellent LED current control accuracy, features low power consumption, and comes in a convenient SOT89 package. This BJT transistor has a wide operating voltage range from 5V to 40V, making it applicable for a wide variety of applications. The driver has a rated continuous current of 600mA, with peak pulses of up to 3A. It also features dynamic and static power dissipation of 3.75W and 2.4W, respectively. The ZXTP4003ZTA can be used for a wide variety of LED applications, such as general illumination, backlighting, automotive lighting, and lighting signage.