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For purchasing managers, technical directors, and operations leaders in the USA who demand reliable inductance performance at a competitive price, our magnetic ring coil inductors eliminate costly failures and reduce design time.
Get Free Quote in 24 hAccording to a 2025 IEC survey, 37% of US manufacturers plan to switch to a supplier that guarantees quality‑first, cost‑effective, and rapid‑turnaround solutions.
See How We Solve These Issues →| Parameter | Typical Value | Tolerance |
|---|---|---|
| Inductance (L) | 10 µH – 1 mH | ±5 % |
| Current Rating (Imax) | 0.5 A – 10 A | ±10 % |
| Core Material | Ferrite (3C90), Powdered Iron (Fe‑Si) | N/A |
| Operating Temperature | ‑40 °C to 125 °C | ±2 °C |
| Self‑Resonant Frequency (SRF) | ≥150 MHz | N/A |
• Audio Equipment: 12 kΩ ring coil inductors reduced harmonic distortion by 22% in a premium headphone line (OEM: AcousticWave Inc.).
• Medical Devices: Custom 0.8 µH inductors enabled a Class‑II MRI coil to meet FDA electromagnetic compatibility (EMC) standards, cutting test revisions by 40%.
• New‑Energy Inverters: High‑current ring inductors improved inverter efficiency from 93.2% to 95.1% in a solar‑panel micro‑converter (OEM: SunPower Solutions).
We accept OEM/ODM orders as low as 1,000 pieces. For standard stock items, the MOQ is 500 pieces.
Yes. Every production batch is accompanied by full CE, FCC, RoHS, and ISO 9001 compliance certificates.
We offer T/T 30 days after shipment, or L/C at sight. For large volumes, a 5% discount is available on pre‑payment.
Standard prototypes are shipped within 7 business days after design confirmation. Express air freight can deliver in 3 days.
Our 24/7 technical service team provides free troubleshooting, design validation, and warranty assistance for 12 months.
Only 150 sample kits left – secure yours before the end of the month.
Or call us directly: +86 131 2825 6415 (WhatsApp available)
John D., Senior Engineer – GreenTech Power
“The custom 5 µH ring coil we ordered cut our inverter losses by 1.9 % and arrived in 5 days. The engineering support was spot‑on.”
Maria S., Procurement Lead – AudioWave Labs
“Xinchangda’s OEM capability let us launch a new headphone series two months early. The cost saving was $0.08 per unit.”
Mike T., Operations Manager – MedEquip Corp.
“We needed a 0.3 µH inductor with tight tolerance for a Class‑II medical device. Xinchangda delivered ±3 % tolerance and full FDA‑ready documentation.”
Alex Chen, Ph.D. – Senior Magnetics Engineer & Technical Content Lead at Huizhou Xinchangda Electronic.
With 12 years of R&D experience in high‑frequency magnetic components, Alex has authored 30+ IEEE papers and guided over 200 OEM projects across North America and Europe. He holds ISO 9001 auditor certification and is a regular speaker at the International Power Electronics Conference.
Contact: alex.chen@xcdmagnetic.com | Phone: +86 131 2825 6415
Trusted By Industry Leaders Worldwide
Magnetic-ring-inductor magnetics-inductor-design toroidal-coil-inductor low-frequency-inductor
Certificates & Compliance: CE, FCC, RoHS, ISO 9001, VDE, GS, CB, SAA – all up‑to‑date for US and EU markets.
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