TDK Corporation's TFM160808ALC thin-film inductor for power supply circuits features a maximum DC resistance of 62 mΩ, which is 30 percent lower than for existing types. The new type, whose compact dimensions are just 1.6 mm x 0.8 mm x 0.8 mm, also offers a high rated current of 2.6 A and an inductance of 0.47 μH. In addition, thanks to the newly developed metal core, the thin-film inductor features lower losses. As a result, the component's efficiency over a broad output current range of 10 mA to 2.5 A is higher than that of existing types and can improve the efficiency of DC-DC converter power supplies by nearly 1 percent.

The required power supply voltage for smartphones and tablet PCs has risen in order to support their increasing multifunctionality, and with this, the number of inductors needed in power supply circuits is likewise growing. These components must be small in size, support high current levels and, particularly important for smartphones and other battery-powered devices, have low losses. TDK has leveraged its innovative thin-film technology developed for HDD heads with advanced material technologies for passive components to create a metal material for compact components with optimized low losses and high current capabilities.