Profile: Electron Coil, Inc. custom designs & manufactures high voltage capacitors and wound magnetics for the commercial, medical, utility, military & aerospace industries. Our wound magnetics include power transformers, isolation transformers, current transformers, high voltage transformers, three phase transformers, step down transformers and low voltage transformers. High voltage assemblies are used in high voltage power supplies, laser, X-ray, commercial & military aviation, electrostatic precipitators, industrial magnetron supplies and displays.