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Nanocrystalline cut core PFC (Power Factor Correction) inductors are advanced magnetic components designed for high-efficiency power conversion, particularly in switched-mode power supplies (SMPS), UPS systems, and renewable energy inverters. By using nanocrystalline material—a Fe-based soft magnetic alloy with extremely fine grain structure—these inductors offer significantly reduced energy loss, smaller size, and better thermal stability compared to traditional ferrite or silicon steel alternatives.
Key Advantages of Nanocrystalline Cut Cores
- High Saturation Flux Density (): Allows the core to handle higher currents without saturating, enabling higher power density compared to ferrite ().
- Extremely Low Core Loss: Offers 1/5th the core loss of iron-based amorphous metal, translating to significantly higher efficiency and less heat generation.
- High Permeability (): Enables smaller, lighter components with fewer turns.
- Wide Temperature Stability: Maintains performance from -40°C to +140°C, suitable for demanding industrial applications.
- Low Noise: The cut C-core configuration allows for a controlled air gap, reducing stray fields and acoustic noise.
Applications
Nanocrystalline cut cores are ideal for:
- Active PFC Boost Inductors: Typically in the 300W to 6kW+ power range.
- Inverters/Converters: Used in solar, wind, and EV charging infrastructure.
- High-Frequency Transformers: Used for industrial power supplies, medical equipment, and railway power conversion.
Comparison with Other Materials
- vs. Ferrite: Nanocrystalline cores offer higher saturation and better performance at higher temperatures.
- vs. Amorphous Cores: While amorphous cores (e.g., Metglass) are excellent, nanocrystalline cores provide lower coercivity and lower core losses.
Design Considerations
- Cut Core Structure: The C-core shape enables easy assembly and customizable air gaps for optimizing inductance vs. DC bias characteristics.
- Protection: Due to the thin ribbon material, these cores often require plastic casings or coatings to protect them during winding, especially for high-current applications.
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Web results
High-Efficiency Nanocrystalline Cut Core PFC Inductors
amorphousoem.com
https://www.amorphousoem.com › PFC Inductor
amorphousoem.com
https://www.amorphousoem.com › PFC Inductor
Optimize PFC circuits with our Nanocrystalline Cut Core Inductors. Achieve ultra-low loss, high efficiency, and superior thermal stability for demanding power ...Read more
Amorphous Cut Cores for PFC Chokes and Inductors
Mag Inc.
https://www.mag-inc.com › Tape-Wound-Cores › Amo...
Mag Inc.
https://www.mag-inc.com › Tape-Wound-Cores › Amo...
Amorphous cut cores are made from metallic glass materials without a crystalline structure (as seen in silicon steels, permalloys, orthonol, and nanocrystalline ...Read more
Amorphous Metal Core & Nanocrystalline Core
Hill Technical Sales
https://www.hilltech.com › products › power_components
Hill Technical Sales
https://www.hilltech.com › products › power_components
These cores can offer superior design alternative when used as the core material in the following components: AC Reactor; DC Inductor; PFC Boost Inductor: Under ...Read more
custom made pfc inductor core
gaotune.com
https://www.gaotune.com › landing › custom-made-pfc...
gaotune.com
https://www.gaotune.com › landing › custom-made-pfc...
The amorphous c-core has a regular shape and good repeatability. Hiperco 50 C-Core · Nanocrystalline Block Cores have high saturation magnetic induction.Read more
PFC with non linear inductor
EEVblog
https://www.eevblog.com › forum › renewable-energy
EEVblog
https://www.eevblog.com › forum › renewable-energy
Nov 22, 2020 — Hi, Non-linear inductors have higher peak B capability, and higher delta B capability than ferrite inductors. What is the PFC power level ...Read more
Nanocrystalline C Cores
King Magnetics
https://www.kingmagnetics.com › nanocrystalline-c-core
King Magnetics
https://www.kingmagnetics.com › nanocrystalline-c-core
Jun 3, 2019 — Nanocrystalline C core is upgrade product of amorphous c core, with high saturation flux density, low coercivity, low core loss, low noise, higher frequency up ...Read more
PFC Inductors Use Metglass Or Nanocrystalline Cores for ...
How2Power.com
http://www.how2power.com › products
How2Power.com
http://www.how2power.com › products
PDF
Payton Planar Magnetics' new line of PFC boost inductors employ Metglass (amorphous) or nanocrystalline core material to achieve high-power, compact designs.Read more
1 page
PFC Toroidal Core Fe-Based Amorphous Inductor Filter Cores
catechcore.com
https://www.catechcore.com › Prouduct › Toroidal Core
catechcore.com
https://www.catechcore.com › Prouduct › Toroidal Core
Fe-based amorphous inductor filter cores show good frequency properties, high stable inductance with various DC bias current, low loss, wide permeability range.Read more
Amorphous Nanocrystalline Cores-Products-Advanced ...
jchncores.com
https://www.jchncores.com › Amorphous-Nanocrystallin...
jchncores.com
https://www.jchncores.com › Amorphous-Nanocrystallin...
22KW HVAC Common Mode Core Nanocrystalline Cores · 11KW HVAC Common Mode Core Nanocrystalline Cores · Amorphous C Core Cut Core · PFC Correction Inductor ...Read more
Coilcore.com: Nanocrystalline Core,Amorphous Magnetic ...
Coilcore.com
https://www.coilcore.com
Coilcore.com
https://www.coilcore.com
Coilcore is a top brand Nanocrystalline & Amorphous core manufacturer from China,export transformer core,current transformers,toroidal transformers,high ...