The IPC100N04S5-1R2 from Infineon Technologies is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 1 to 1.4 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.2 to 3.4 V. Tags: Surface Mount. More details for IPC100N04S5-1R2 can be seen below.