BUY RTQ045N03 https://www.utsource.net/itm/p/11288266.html
RTQ045N03 MOSFET N-Channel 30V 4.5A SOT-163/TSMT6/SOT23-6 marking QM
Description: N-Channel MOSFET Transistor Features: Low On-Resistance Low Gate Charge Low Input Capacitance Low Threshold Voltage Fast Switching Speed RoHS Compliant Application: RTQ045N03 is an N-Channel MOSFET transistor that is suitable for use in a wide variety of applications, such as DC-DC converters, power supplies, motor control, and other switching applications. (For reference only)