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Application field:  Fe-based nanocrystalline cores can replace permalloy, and can be applied to electronic or  electromagnetic products.Well used in current transformers,high instrument transformers and high precious transformers etc. Performance characteristics: Beneficial to diminishing theaction current of leakage switch and improving accuracy with high  permeability and low loss; long-term work stability with excellent capacity of antioverload;  10% out rate of change between -10 to 80 . After special solidification surface treatment, minor effect of  pressure on the wound cores.   Performance Comparison of Nanocrystalline Core, Permalloy and Silicon Steel:  Performance Parameters Nanocrystalline Core Permalloy Core   Silicon Steel Core  Saturation Magnetic Induction (Bs)  1.25 0.75   1.9  Initial Permeability  4-1010 4   4-810 4  0.3  Maximum Permeability  6010 4   6010 4  410 4  Curie Temperature   570 570   740  Density(g/cm 3)  7.3  8.75  7.65  Space Factor(%)  70-75  90 95   Space Factor(mm)  0.025-0.042  0.15  0.3   Specification: Thousand sizes of specification for option and customized models are also available .