The Infineon IRFZ44NPBF is a N-channel Trench MOSFET with a low on-resistance of 17.5 mΩ at 25A, 10V. The MOSFET is equipped with a vertical structure layout that offers low gate threshold and excellent switching performance and stability. It has a drain source voltage of 55V, a drain current of 49A and a gate-source voltage of 4V at a gate-source leakage current of 250uA. The transistor is housed in a 3 pin TO-220 package and is RoHS compliant.