Nippon Chemi-Con Developed FL-W Series Iron-Based Nanocrystalline Common Mode Choke Coils with 50% Higher Permeability
Nippon Chemi-Con has developed Common Mode Choke Coils FL-W Series, which have a 50% higher permeability than that of conventional products (FL-V Series) at 10kHz. Nippon Chemi-Con proposes the Series as an effective product for reducing size, weight, and noise and improving the performance of switching power supplies, inverter equipment, and automotive equipment.
To date, Nippon Chemi-Con has commercialized the FL Series and the FL-V Series as common mode choke coils that use iron-based nanocrystalline alloys for magnetic materials. We marketed these products for applications such as noise filters for power input/output and DC lines.
The frequency characteristics of the FL-W Series Iron-Based Nanocrystalline Common Mode Choke Coils have been further improved from the conventional FL-V Series by improving the characteristics of magnetic materials.
More specifically, while maintaining high permeability at 100kHz, which is characteristic of the conventional FL-V Series, the permeability at 10kHz has been improved by approximately 50%. The impedance is also improved from the conventional FL-V Series in a wide frequency band up to several hundred kHz.
(The following is in the case of coil design: impedance improvement of approx. 30% at 10kHz and approx. 10% at 100kHz)
Coil size [mm]: external diameter 16 x width 12 to external diameter 50 x width 33
Coil specifications (reference):
rated voltage - 250V to 700V, rated current - 3.5A to 39A
inductance - (10kHz) 3.5mH to 38mH, (100kHz) 1.0mH to 11.5mH(100kHz)1.0mH～11.5mH
Samples and Mass Production
The FL-W Series is already available as samples and mass production has scheduled to start after September 2021. They have produced at Chemi-Con East Japan Corp. Iwate Plant (a wholly owned subsidiary of Nippon Chemi-Con).
Product Appearance
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