120 V, N-Ch, 1.7 mΩ max, Automotive MOSFET, TOLL (10x12), OptiMOS™ 5 The IAUTN12S5N017 is a 1.7 mΩ, 120 V MOSFET coming in the TOLL package with Infineon’s leading OptiMOS™ 5 technology. Next to others the device is designed for HV-LV DCDC converter.