... RN1 RN2 RN3 and RN5 Application Fields??Antainano® Ribbons can substitute silicon steel, permalloy and ferrite, as ... power supplies, current transformer cores for electric industry, transformer cores for ground-fault-interrupters, cores for filters, storage inductors, and ... reactors, EMC common mode chokes, sensor cores, cores for saturable reactors, magnetic amplifiers, beads, and pulse compressors. ...