The IPZ40N04S5L-7R4 from Infineon Technologies is a MOSFET with Continous Drain Current 33 to 40 A, Drain Source Resistance 6.1 to 10.7 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for IPZ40N04S5L-7R4 can be seen below.