OptiMOS™ 6 power MOSFET 40 V in smallest form factor PQFN 2x2 package With the new best-in-class OptiMOS™ 6 product family, Infineon offers a benchmark solution for efficiency in a small form factor, making it the perfect solution for applications such as wireless charging, load switches and low power DCDC applications. The small 4 mm2 footprint , combined with outstanding electrical performance contributes towards form factor improvement in end applications.