The IPB100N04S3-03 from Infineon Technologies is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 1.9 to 2.8 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.1 to 4 V. Tags: Through Hole. More details for IPB100N04S3-03 can be seen below.