NiCuZn soft magnetic ferrite material with high saturation magnetic flux density and low loss and preparation method thereof

The invention discloses a NiCuZn soft magnetic ferrite material with high saturation magnetic flux density and low loss and a preparation method thereof, the NiCuZn soft magnetic ferrite material with high saturation magnetic flux density and low loss comprises main components and auxiliary components, the main components comprise 64-67 wt% of Fe2O3, 12-18 wt% of ZnO, 12-19 wt% of NiO and the balance of CuO, the auxiliary components comprise V2O5, MoO3 and Co2O3, and the auxiliary components comprise, by weight, 20-30 wt% of Fe2O3, 20-30 wt% of MoO3 and 20-30 wt% of Co2O3. The contents of V2O5, MoO3 and Co2O3 are respectively 0.01 wt%-2 wt%, 0.01 wt%-0.05 wt% and 0.01 wt%-0.03 wt% of the total weight of the main components. The material can stably work under the working frequency, the initial magnetic conductivity of the material is 380-410, the specific loss coefficient is smaller than 20 * 10 at the test value of 100 kHz, and the test saturation magnetic flux density Bs is 509 mT at the test frequency