Newly UL- and Semko-approved is the dc and ac single line Feedthru filters from Spectrum Control Inc. (www.spectrumcontrol.com). Rated at 10-300A and intended for 0-400 Hz applications, these filters have C and Pi configurations with the dc models coming with Class Y4 capacitors while the ac models offer Class Y2 or Class Y4 capacitors. In addition, the bolt-in style with D-shaped bushing make installation easy.
The new composites manufacturing innovation center is intended to be a source of grand challenges for industry, like the kind that got us to the moon under JFK. These aren't the words its new CEO Craig Blue used, but that's the idea and the vision behind the Institute for Advanced Composites Manufacturing Innovation (IACMI).
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.