HUF75623P3, HUF75623S3ST are 22A, 100V, 0.064 Ohm, N-Channel, UltraFET® Power MOSFETs products produced by Fairchild Semiconductor Corporation. They have an ultra low on-resistance (rDS(ON) = 0.064Ω, VGS = 10V) and can be used in various circuit designs.