BUY 2SK2857 https://www.utsource.net/itm/p/11292023.html
2sk2857 MOSFET N-Channel 60V 4A SOT-89 marking NX low on-resistance/fast switch
Description: 2SK2857 is a N-channel MOSFET transistor manufactured by NEC. Features: - High-speed switching - Low on-resistance - Low gate charge - Low input capacitance Applications: - DC/DC converters - Motor control - Power supply - Switching regulators - Battery chargers - High-speed switching circuits (For reference only)