CUI has turned to GaN transistors to shrink its 300W and 120W mains adapters. "Due to their compact size, these ac-dc supplies are ideal for a variety of portable consumer and industrial applications like sequencing, molecular testing, and livestock tracking," according to the company. SDI300G-U 300W continuous, 183 x 83 x 35, IEC Class I safety ...This story continues at Brick-style mains PSUs use GaN to shrink dimensionsOr just read more coverage at Electronics Weekly