OptiMOS™ 25 V low-voltage power MOSFET in PQFN 3.3x3.3 Source-Down package with industry leading RDS(on). The innovative Source-Down OptiMOS™ low-voltage power MOSFET 25 V comes in a PQFN3.3x3.3 package size, making it easy to use in the same PCB routing as the Drain-Down solution. In the same package outline of 3.3x3.3mm, the new Source-Down shows an industry benchmark RDS(on) by reducing the current standard RDS(on) of about 30 percent and shows a significant shrink of form factor.