Welcome:Pourleroi

PLC-High DC Sendust Cores Series

High DC Bias Sendust Cores for Power Electronics

POURLEROI’s high DC bias Sendust cores are engineered for applications where magnetic components must maintain stable inductance under large current loads. With low core loss, excellent temperature stability, and distributed air-gap design, these cores are ideal for PFC inductors, output chokes, and noise filtering in power conversion systems.

What Are High DC Bias Sendust Cores?

Sendust (Fe-Si-Al) cores are powder magnetic components known for their low loss and soft saturation characteristics. High DC bias Sendust cores are optimized to maintain consistent inductance even under strong DC magnetizing forces, thanks to their distributed gap structure. This makes them well-suited for circuits where ferrite cores would saturate, such as high-current filters, buck/boost converters, and power supplies in industrial and EV environments.

Product Overview

POURLEROI manufactures high DC Sendust cores using fine-grain alloy powders with high uniformity and precision insulation. Compared to ferrites, Sendust cores deliver superior DC bias characteristics, allowing smaller inductors with fewer turns to meet the same energy storage requirements. The soft saturation curve and low hysteresis loss make them ideal for handling ripple currents in switching regulators and DC-DC converters.

Our Sendust cores are available in toroidal and custom shapes with epoxy or polyester coatings, suitable for automated and manual winding processes. They perform reliably in temperatures from -40°C to +125°C, and offer excellent EMI suppression due to their stable permeability across frequency ranges.

Applications include industrial drives, telecom base stations, energy storage systems, automotive chargers, and any power electronic circuit requiring stable inductance under high bias without thermal degradation.

Why Choose POURLEROI for High DC Sendust Cores?

With over 15 years of powder core manufacturing experience, POURLEROI offers OEM/ODM services to global industrial clients seeking tailored magnetic solutions. We provide tight AL value tolerance control, fast prototyping, and scalable production capacity with full engineering support.

Our high DC bias Sendust cores are manufactured under ISO9001-certified systems and comply with RoHS/REACH standards. We assist clients in magnetic simulation, EMI testing, and thermal design, ensuring every core meets both functional and regulatory requirements for high-reliability systems.

Applications of POURLEROI High DC Bias Sendust Cores

POURLEROI’s Sendust cores are widely used in high-efficiency power electronics where large DC currents and ripple conditions are present. In power factor correction (PFC) stages, they allow engineers to reduce core size while maintaining inductance. In automotive DC-DC converters and onboard chargers, these cores withstand high bias without saturation, ensuring compact and efficient design.

They are also employed in output chokes for telecom rectifiers, inverter circuits in solar/wind energy systems, and EMI filters for industrial automation. Thanks to their distributed gap structure and low core loss, Sendust cores are a go-to solution for engineers seeking magnetic stability, compact size, and thermal robustness in high-current environments.

We are happy to provide you with the products and services you need

Contact Us
×

Contact Us

captcha
×

Inquire

*Name
*Email
Company Name
Tel
*Message

By continuing to use the site you agree to our privacy policy Terms and Conditions.

I agree