Unipower Corp. (Coral Springs, FL) introduced the THIN-400 (MF Series) switching power supplies, which provide 400W in a 1.7 high case. The single-output switchers are available with outputs of 3.3, 5, 12, 15, 24, 28 or 48Vdc and have input power factor correction to meet EN 61000-3-2. Power density is 5.2W per cubic inch. The THIN-400 devices are available in three different packages: open frame (1.7 x 5 x 9), covered (1.75 x 5 x 9), and a self-cooled, covered version with two fans (1.75 x 5 x 10.5). The power supplies are priced from $246 each in OEM quantities.