The MMBT4401 is a PNP transistor manufactured by Pingjingsemi in a SOT-23 RoHS package. This transistor is designed for use in low voltage, low current applications such as switch, level shifter, logic or amplifier circuits. It features an operating voltage range of up to 40V and an Ic max of 200mA. The transistor can handle high frequency switching, and features a high breakdown voltage, high gain, and fast switching speed. This device is RoHS compliant and lead-free.