BUY MMDT3946 https://www.utsource.net/itm/p/11279155.html
MMDT3946 NPN+PNP 60V 0.2A HEF=100~300 MARKING K46
MMDT3946 is a P-channel enhancement mode MOSFET transistor manufactured by ON Semiconductor. It is housed in a SOT-363 (SC-59) package. Description: The MMDT3946 is a P-channel enhancement mode MOSFET transistor designed for use in low voltage, low current applications. It features a low on-resistance and a low gate threshold voltage, making it suitable for a variety of applications. Features: Low on-resistance Low gate threshold voltage Low input capacitance Low input and output leakage High switching speed High reliability Applications: The MMDT3946 is suitable for a variety of applications, including: Battery powered circuits Low voltage and low current switching DC/DC converters Motor control circuits Load switching (For reference only)