SMALL-LOSS NICKEL-COPPER-ZINC FERRITE HAVING HIGH MAGNETIC FLUX DENSITY AND TRANSFORMER FOR DC-DC CONVERTER

摘要

PROBLEM TO BE SOLVED: To provide ferrite which can be used for a transformer of a heat-shock-resistant DC/DC converter, having large saturation magnetic flux density, being small in loss at a core.;SOLUTION: The ferrite composition comprises 46.0 to 50.5 mol% of Fe 203, 18.0 to 28.0 mol% of ZnO, more than 0 to 12.0 mol% of CuO (0 mol% is not included), and NiO for the rest as main components. An additive component of V 205 is also included by 0.1 to 0.6 wt.%.;COPYRIGHT: (C)2004,JPO