The UA78M33CDCY is a precision-engineered Linear Voltage regulator from Texas-instruments. Delivering a Fixed 3.3 V output at up to 500 mA across 1 output(s), accepting 5.3 V to 25 V input. Housed in a SOT-223 Surface-Mount package with 4 pins with 100 mV output accuracy, designed for stable power delivery in embedded systems, IoT devices, and industrial electronics.