The KS Series FeSiAl Magnetic Powder Core, also known as Sendust Core , is manufactured from an alloy containing approximately 85%Fe, 9% Si, and 6% Al.It offers significantly lower core loss than conventional iron powder cores, a high saturation flux density of up to 10,500 Gauss, and near-zero magnetostriction, making it ideal for low-noise power magnetic applications.Unlike bonded powder materials, FeSiAl cores are manufactured without organic binders, eliminating thermal aging issues and enabling continuous operation at temperatures up to 200°C. Available in permeabilities from 26μ to 125μ and a wide variety of shapes, including toroidal, U-core, E-core, and block cores, the KS Series is an excellent choice for PFC inductors, pulse transformers, energy storage inductors, output filter inductors, and EMI noise filters.
Features
- Low core loss – Lower than iron powder cores
- High saturation – Up to 10,500 Gauss
- Near zero magnetostriction – Low noise, stable
- No thermal aging – Reliable long-term operation
- Wide permeability – 26μ to 125μ
- Wide temperature – -65°C to +125°C
- Multiple shapes – Toroidal, U, E, block
- RoHS compliant – Environmentally friendly materials


Applications
- PFC Inductors – Power factor correction
- Pulse Transformers – Energy transfer and impedance matching
- Energy Storage Inductors – Energy storage and filtering
- EMI/RFI Filters – Noise suppression
- UPS Systems – Power supply filtering
- Active Power Filters (APF) / SVG – Power quality improvement
FAQ
Q: Why choose Sendust cores over iron powder cores?
A: Sendust cores offer significantly lower core losses than iron powder cores, near zero magnetostriction for quieter operation, and higher saturation flux density (10,500 Gauss) , making them ideal for high-efficiency power applications.
Q: What permeability values are available?
A: SHINHOM Sendust cores are available in permeability ranges from 26μ to 125μ, including 26μ, 35μ, 40μ, 60μ, 75μ, 90μ, and 125μ options to meet different application needs.
Contact
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SHINHOM is dedicated to setting a high bar of excellence for industries that integrate or utilize magnetics technologies in our Sendust Cores products.
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