Sendust Core Cs400026

Updated July 3, 2026

Overview

Product sourcing insights & recommendations

25 来源

The CS400026 is a specific sendust toroidal powder core model, most notably associated with Changsung (CSC) and marketed as MS-157026-2 or under similar codes by other manufacturers like Magnetics (Kool Mµ) and KDM. It is primarily used in high-current applications where high DC bias and low core losses are essential.

Product Overview: CS400026

The CS400026 core is characterized by its 26µ permeability, making it highly effective for Power Factor Correction (PFC) chokes and output inductors in high-power converters Karson Changsung.

Key Technical Specifications:

* Dimensions: Approximately 40.70 mm OD, 23.30 mm ID, and 15.37 mm HT (coated max) Changsung.

* Performance: Offers a minimum of 46.0% permeability remaining at 200 Oe DC bias, with core losses restricted to 73 mW/cm³ at 50 kHz/500 Gauss Changsung Karson.

* Material: Sendust alloy (85% Fe, 9% Si, 6% Al), providing "soft" saturation and near-zero magnetostriction for silent operation Karson Micrometals.

Market Trends & Insights (2026 Outlook)

The market for sendust cores is experiencing a significant shift driven by efficiency regulations and the electrification of industries Linkedin Linkedin.

* Growing Adoption in EVs: Demand is surging for Electric Vehicle (EV) on-board chargers and DC/DC converters where sendust's temperature stability outperforms traditional ferrite cores Linkedin.

* Energy Infrastructure: The rapid expansion of solar inverters and data center power supplies is a primary driver, as companies aim for "Green" certifications and reduced power waste Linkedin Businessresearchinsights.

* Regional Growth: The European market is projected to grow at a CAGR of 13.7% from 2026, fueled by strict energy efficiency mandates Linkedin.

* Market Positioning: Sendust remains the dominant "middle-ground" material, offering better performance than iron powder but at a much lower cost than high-end MPP or High Flux cores Karson.

I have compiled a detailed list of available CS400026 products and verified manufacturers to assist with your sourcing needs.

Would you like a detailed technical comparison between CS400026 and other permeability grades (e.g., 60u or 125u)?

Sources & References

25 sources cited · Verified industry data & reports

Sendust Toroidal Core Data Sheet_150320 - Karson

karson.com.tw

Sendust Toroidal Core. ◇ Feature. ◇ Application. ◇ Configuration. O.D ... CS400026. 81. S157081A. 77083. MS-157060-2. CS400060. 101. S157101A. 77259. MS-157075 ...

Sendust Toroidal Core Specifications | PDF

Scribd

It lists the key features as high saturation flux density up to 10,000 gauss, excellent DC bias characteristics, and low core loss of around 300mW/cm3 at 50kHz/ ...

MS - Sendust

Micrometals

Iron, Silicon, Aluminum alloy powder material · Low Magnetorestriction for audibly quiet applications · Operating frequencies to MHz · Wide selection of toroids, E ...

Magnetics - Powder Cores

Mag Inc.

Kool Mµ Hƒ powder cores, optimized for frequencies 200-500 kHz, are a cost-effective solution for minimizing power losses in high frequency power supplies.

SPECIFICATION FOR APPROVAL

FUANTRONICS

Sendust Cores (KS Series) is made from 85% Fe, 9%Si and 6%Al. It named KoolMu by Magnetics. This material has low loss and relative high saturation flux ...

Sendust Cores

kdm-mag.com

MAIN FEATURES. Lower Core Losses than Iron Powder Cores. Near Zero Magnetostriction. Relatively High Saturation Flux Density (10,500 Gauss).

Sendust Core Cs400026

Overview

Product Overview: CS400026

Market Trends & Insights (2026 Outlook)

Cs400026 Sendust Core Csc Ms 157026 2

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Sources & References