The IPB45P03P4L-11 from Infineon Technologies is a MOSFET with Continous Drain Current -45 to -42 A, Drain Source Resistance 8.7 to 18.7 Mohms, Drain Source Breakdown Voltage -30 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage -2 to -1 V. Tags: Through Hole. More details for IPB45P03P4L-11 can be seen below.