Nuvoton Technology Corp. America Single FETs, MOSFETs FK4B01120LE

Single N-channel MOSFET in a CSP (Chip Size Package) for load switching, with a 12 V drain-source voltage rating, 3.9 A continuous drain current on a FR4 board with 36 mm² copper, and a typical RDS(on) of 17 mΩ at VGS = 2.5 V. The package is ULGA004-W-1010-RA01, rated for operation from -40 to +85 °C and storage from -55 to +150 °C, with RoHS compliance and MSL Level 1.