The FDT459N is an N-Channel MOSFET from ON Semiconductor featuring a 30V drain-source voltage and 6.5A continuous drain current. It is housed in a surface-mount SOT-223-4 package.
DMN2053U-7 is an N-Channel enhancement mode MOSFET from Diodes Incorporated. It features a 20V drain-source voltage, 6.5A continuous drain current, and low on-resistance of 29mOhm at 10V.
The Vishay Dale SI7326DN-T1-E3 is an N-Channel MOSFET with a 30V drain-source voltage and 6.5A continuous drain current. It features a low Rds On of 19.5mOhm at 10A, 10V and is housed in a PowerPAK 1212-8 package.