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Engineered for **Corporate Purchasing Managers**, **Technical Directors**, and **Operations Managers** who demand reliable, cost‑effective EMI suppression for industrial and medical equipment.
Get Free Quote in 24 hEven with the latest standards, many US manufacturers still face high price tags and inconsistent quality from overseas suppliers.
According to a 2025 IEC survey, 42% of OEMs reported EMI‑related warranty claims exceeding $1.2 M annually.
| Parameter | Typical Range | Unit |
|---|---|---|
| Inductance (LCM) | 10‑500 | µH |
| Current Rating | 0.5‑10 | A |
| Impedance @ 100 kHz | 30‑150 | Ω |
| Operating Temp. | ‑40 ~ +125 | °C |
| Compliance | CE, FCC, RoHS, VDE | ‑ |
common-mode-choke-selection-guide Common-Mode-Choke High-Permeability-Common-Mode-Choke power-choke-transformer
Industrial Automation – Reduced EMI‑related shutdowns by 38% for a US‑based robotics line (order #2025‑RBT).
Medical Imaging – Achieved FCC Class‑B compliance in under 4 weeks for a portable X‑ray device, saving $85k in redesign costs.
New Energy Systems – Provided 150 µH high‑current choke for a solar inverter, delivering 99.97% THD‑i performance.
“Switching to Xinchangda’s common mode chokes cut our EMI‑related warranty claims by 42% and shaved 3 weeks off our lead time.” – James L., Procurement Manager, MedTech USA
“The OEM design flexibility let us integrate a 200 µH choke into a compact power module without redesigning the PCB.” – Linda K., Senior Engineer, SolarEdge Corp.
All products are certified: CE, FCC, RoHS, VDE, ISO 9001, and undergo a 100% incoming‑material inspection.
Our semi‑automated line can produce a 10‑piece prototype in 7 business days after design approval.
Yes – MOQ starts at 500 pcs with tiered pricing, and we provide free design consultation for orders under 1,000 units.
All medical‑grade chokes are CE, FCC, ISO 13485, and meet IEC 60601‑1 electromagnetic compatibility requirements.
Our design engineers provide 3‑D mechanical drawings and recommended footprint files (Altium, Eagle, KiCad) to ensure a seamless fit.
Standard terms: 30 % T/T upfront, 70 % against B/L. For trusted partners, we accept LC or Net‑30.
Limited‑time offer: **Free 5‑piece sample** for qualified US buyers + **30‑day money‑back guarantee** on first order.
Request Sample & Quote NowOr call us directly at +1‑800‑555‑0199 (US toll‑free).
Michael S., Operations Manager, AeroTech USA – “The custom 120 µH choke performed flawlessly during our high‑altitude tests. Delivery was 5 days early, saving us $12k in project delay costs.”
Emily R., Procurement Lead, GreenPower Inc. – “Xinchangda’s transparent pricing let us stay within budget while meeting ISO 13485 for our medical inverter.”
David K., Senior Engineer, SmartGrid Solutions – “Their engineering support reduced our design cycle from 6 weeks to 2 weeks. The choke’s impedance curve hit our target exactly.”
Dr. Alan Cheng – Senior Magnetics Engineer with 18 years of experience in EMI/EMC solutions for automotive, medical, and renewable‑energy markets. Former Lead Design Engineer at a Fortune‑500 automotive supplier, now heading Xinchangda’s R&D team. Published author of “Advanced Common‑Mode Choke Design” (2024) and regular contributor to IEC Technical Committee 62.
Contact: alan.cheng@xcdmagnetic.com | Phone: +86 131 2825 6415
