BUY KST2484MTF https://www.utsource.net/itm/p/11275691.html
kst2484 NPN Transistors(BJT) 60V 50mA 250~800 350mV/0.35V SOT-23/SC-59 marking 1U
Description: N-Channel Enhancement Mode Field Effect Transistor Features: - Low On-Resistance - Low Threshold Voltage - Low Input Capacitance - Low Input/Output Leakage Current - Fast Switching Speed - High Reliability - High Power Dissipation - High Avalanche Energy - High Voltage Applications: - DC/DC Converters - Motor Control - Switching Regulators - Battery Chargers - General Purpose Switching Applications (For reference only)