The IPC100N04S5L-1R9 from Infineon Technologies is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 1.4 to 2.5 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 IPC100N04S5L-1R9 can be seen below.