Wide-temperature low-loss NiZn soft magnetic ferrite material and preparation method thereof

The invention discloses a wide-temperature low-loss NiZn soft magnetic ferrite material and a preparation method thereof, and the wide-temperature low-loss NiZn soft magnetic ferrite material comprises the following components in percentage by mass: 65.25-68.55 wt% of Fe2O3, 65.25-68.55 wt% of Fe2O3, 65.25-68.55 wt% of Fe2O3, 65.25-68.55 wt% of Fe2O3, 65.25- The content of ZnO is 18.24 wt% to 19.84 wt%; niO: 11.61 wt% to 16.51 wt% of the total weight of the catalyst; y2O3: 0.10 wt% to 0.35 wt%; nb2O5: 0.15 wt% to 0.45 wt% of Nb2O5 The content of V2O5 is 0.15 wt%-0.25 wt%; and the content of MnCO3 is 0.25 wt%-0.35 wt%. The wide-temperature low-loss NiZn soft magnetic ferrite material disclosed by the invention can work in a wide temperature range of-85 DEG C to 230 DEG C, and in a frequency interval of 0.01 MHz to 5MHz, the initial permeability mu i is 509 to 641, the specific loss coefficient tg delta/mu i is only 16.78 * 10 , the saturation magnetic flux density Bs is greater than or equal to 393 mT, th