electrical and electronic, electronic consultancy or design, ferrite cores, filters, inductors, bobbin magnetic cores, transformers, printed circuit board (pcb) mounting transformers, toroidal transformers, transformer coils, diplexers, ferroelectric materials, leaded surface mounted (sm) inductors, toroidal cores available from mag layers usa inc based in santa ana, ca. click the links below to visit our website or contact us via our profile page.