Hit enter to search or ESC to close
Designed for purchasing managers, technical directors, and operations leaders who demand reliable, cost‑effective EMI control.
Get Free Quote in 24 HoursEven seasoned engineers admit that poor‑quality common‑mode chokes cause three recurring headaches:
According to a 2025 IEC‑EMC survey, 62% of manufacturers cite “unstable choke performance” as the top reason for product recalls.
Huizhou Xinchangda Electronic delivers a choke that directly addresses the three pain points above:
| Parameter | Typical Value | Tolerance |
|---|---|---|
| Core Material | NiZn Ferrite (3F3) | ±5 % |
| Inductance (L) | 10 µH – 500 µH | ±10 % |
| Rated Current (IRMS) | 0.5 A – 5 A | ±5 % |
| Impedance @ 100 kHz | 150 Ω – 500 Ω | ±5 % |
| Operating Temp. | ‑40 °C – +125 °C | ‑ |
| Certification | CE, FCC, UL, RoHS, ISO 9001 | ‑ |
Medical Imaging (MRI) – A US‑based OEM reduced EMI‑related downtime by 42% after switching to our choke, saving $1.2 M annually.
Industrial Inverters – Our high‑temperature version sustained 150 °C operation for 12 months straight, eliminating field failures.
Audio Equipment – Customized 30 mm toroids delivered a 25 dB noise reduction in premium speaker crossovers.
Our standard MOQ is 1,000 pcs per design. For larger projects we can reduce it to 500 pcs after a tooling fee is amortized.
Yes. Every shipment includes a test report and certificates (RoHS, UL, CE, FCC) attached to the packing list.
Prototype is ready within 10 days; full‑scale production begins after 2‑week design verification, total lead time ~3 weeks.
We offer DDP (door‑to‑door) via UPS/FedEx, air freight (3‑5 days) or sea freight (30‑45 days). All shipments are insured.
Free technical consultation for 12 months, replacement warranty for material defects, and a dedicated account manager for all orders.
Limited‑time offer: Free 5‑piece sample kit + 10% discount on your first order (valid until 2026‑06‑30).
Request Free Sample WhatsApp NowOr call us directly at +86 131 2825 6415 (English speaking line)
Linda K., Procurement Lead – SolarTech USA
“The 7‑day delivery saved us a critical production window. Performance matches the spec sheet perfectly, and the cost is 33% lower than our previous supplier.”
Thomas B., Senior Engineer – MedEquip Corp.
“We needed a high‑temperature choke for a new MRI coil. Xinchangda delivered a custom 120 °C part that passed FDA validation on first try.”
Emily R., Operations Manager – AudioPro Inc.
“Noise reduction of 27 dB in our premium speakers was achieved without redesigning the PCB. The OEM service was seamless.”
David Chen, Ph.D. – Senior Magnetic Component Engineer with 18 years of experience in EMI suppression design for medical, industrial, and consumer electronics. Former Lead R&D Engineer at a Fortune 500 OEM, now Head of Technical Marketing at Huizhou Xinchangda Electronic.
Contact: grace01@xcdmagnetic.com | Phone: +86 131 2825 6415
Trusted By Global Leaders
All units are produced in our 5,000 ㎡ factory (see images below) and meet CE, FCC, ISO 9001, RoHS, VDE, and UL standards.