The Leshan LMUN2213LT1G is a pre-biased NPN digital transistor in the SOT-23-3 form factor. It is rated at 100mA and 50V, and is compliant with the European RoHS directive. The LMUN2213LT1G is typically used in very low power applications like solid-state switching, driving LEDs, or other low power electronics applications where very low power consumption is a requirement. It has a fast switching time, low saturation voltage, and excellent power-handling capabilities, making it suitable for a wide variety of applications. The LMUN2213LT1G is a reliable, cost-effective, and energy-efficient solution.