The ZL6105A33S2 is a Low Dropout Regulator (LDO) positive fixed voltage regulator manufactured by Zhiyuan. It is a SOT-223 package, making it suitable for use in a variety of space-constrained applications. This LDO regulator has a dropout voltage of 300mV, an input voltage of 5.5V, an output voltage of 3.3V, and a continuous output current of 500mA. It is compliant with the European directive on Restriction of Hazardous Substances (RoHS), making it appropriate for most electronic products.