This is a logic level 120 V MOSFET in PQFN 3.3 x 3.3 packaging with 10.6 mOhm on-resistance. ISZ106N12LM6 is part of Infineon’s OptiMOS™ 6 power MOSFET family.
The IAUS300N08S5N014T is a 1.4 mΩ, topside-cooled 80 V MOSFET coming in the TOLT package with Infineon’s leading OptiMOS™-5 technology. Next to others the device is designed for 48V applications. Alongside the 48V auxiliary applications, the device is primarily used in the the DC-DC converter and the main battery switch.
