Group Power Conversion Components YAGEO Group (YAGEO, Pulse, KEMET) designs passive component technologies that are critical in power conversion systems, including safety, snubber, and DC link capacitors, current sense and power resistors, and magnetic components such as transformers, common mode chokes, and inductors. Because every electronic device requires power, a vast majority of these products utilize a form of power conversion or power supply to deliver the required energy.