1. Low cost design 2. Low DCR and high saturation DC current 3. Low power lost, low fluency for the around equipment 4. Annular structure, low radial noise 5. Different frequency require will be meet by different material 6. High saturated material, wide inductance range 7. Lead-free products, RoHS compliant
(1) Video cameras. (2) Portable VCRs. (3) Audio equipments. (4) TV tunners. (5) Switching power supplies. (6) Other circuits of consideration aganist radiation.