BUY KST4125 https://www.utsource.net/itm/p/8933544.html
KST4125 PNP transistors(BJT) -30V -200mA/-0.2A 200MHz 50~150 -400mV/-0.4V SOT-23/SC-59 marking 2D
The KST4125 is a SOT-23/SC-59,KEC, N-Channel MOSFET transistor manufactured by KEC. It is designed for use in applications such as switching, power management, and DC-DC conversion. Features: Low on-resistance Low gate charge Low input capacitance Low threshold voltage High-speed switching High-temperature operation High-current handling capability Applications: DC-DC converters Battery-powered systems Automotive applications Power management Switching applications (For reference only)