Since 1949, MAGNETICS, the largest division of Spang & Co., has been a leading world supplier of precision, high permeability magnetic components and materials to the electronics industry. We specialize in research, design, and production of a broad range of high-quality magnetic cores for applications such as chokes, inductors, filters, transformers, and power supply components for end use in telecommunications, aerospace, military, computer, medical, and other electronics systems.