BUY 2SK2113 https://www.utsource.net/itm/p/11289300.html
2SK2113 MOSFET N-Channel 3.5V 60mA SOT-343/CMPAK-4/SC70-4 marking YY ultra RF low noise
Description: 2SK2113 is a N-channel MOSFET manufactured by Hitachi. It is housed in a SOT-343/CMPAK-4/SC70-4 package. Features: Low on-resistance High speed switching Low gate charge Low input capacitance High power dissipation Applications: DC-DC converters Motor control Switching power supplies Battery powered systems High speed switching (For reference only)