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Power‑supply designers and procurement managers in the USA demand low‑ESR, high‑current chokes that won’t break the budget. Huizhou Xinchangda Electronic delivers exactly that.
Get Free Quote in 24 hEven a 2 % rise in choke resistance can increase total system loss by up to 15 W, forcing larger heat‑sinks and higher BOM costs.
| Parameter | Typical Range | Unit | Compliance |
|---|---|---|---|
| Inductance | 10 µH – 500 µH | µH | ISO 9001 |
| Current Rating | 0.5 A – 15 A | A | CE, FCC |
| DC Resistance (DCR) | ≤ 10 mΩ | mΩ | RoHS |
| Operating Frequency | 100 kHz – 2 MHz | kHz/MHz | VDE, SAA |
| Package | SMD 0603‑1206, Through‑hole, Custom PCB | - | IPPC |
Industrial Power Supplies: A U.S. automation OEM reduced EMI failures by 42 % after switching to our low‑ESR chokes.
Medical Devices: Our FDA‑compliant chokes enabled a Class II cardiac monitor to pass rigorous IEC 60601‑1 tests on first attempt.
New‑Energy Converters: A solar‑inverter manufacturer cut board space 15 % with our custom‑size SMD chokes, accelerating time‑to‑market.
rf-common-mode-choke common-mode-choke-core magnetic-choke ac-common-mode-choke
“Switching to Xinchangda’s high‑frequency choke cut our prototype cycle from 8 weeks to 2 weeks and saved $0.12 per unit.” – James Lee, Procurement Manager, TechPower Inc.
“The custom 1206‑size choke met our strict FCC limits without any redesign. Quality was flawless.” – Maria Gonzales, Senior Engineer, MedEquip LLC.
Certificates: CE, FCC, RoHS, ISO 9001, VDE, SAA, IPPC – all available for download on request.
Standard bulk (≥10 k pcs) ships within 5‑7 business days after payment confirmation. Express air freight is available within 48 hours.
Yes. Our 10 R&D engineers work with you from schematic to final layout, offering tolerance ±5 % or tighter on request.
All units are CE, FCC Part 15, RoHS compliant, and we can supply test reports (EMI, thermal) on demand.

We accept T/T, L/C, PayPal, and US‑based credit cards. All duties and taxes are declared; we provide full commercial invoices for smooth customs.
Yes. If the sample does not meet the agreed specifications, we will replace it free of charge or refund the purchase price.
Order today and receive a 30 % discount on the first 5 k pcs plus a free 30‑day performance guarantee.
Request Quote & Free SampleOr call us now: +86 131 2825 6415 (We answer 24/7)
Alan Chen, Senior Purchasing Manager, GreenTech Solutions – “The cost per choke dropped from $0.45 to $0.28, delivering a 38 % BOM reduction without compromising quality.”
Linda Park, Operations Lead, MedPulse Devices – “Xinchangda’s fast 48‑hour sample turned our prototype schedule around, enabling us to meet FDA submission deadlines.”
Robert Miller, CTO, SolarEdge Systems – “Custom SMD chokes fit perfectly into our 4‑layer PCB, saving 12 mm² of board area and cutting thermal load by 22 %.”
Dr. Emily Zhou – Senior Magnetic‑Component Engineer, 12 years in high‑frequency choke design for aerospace, medical, and renewable‑energy markets. Holds a Ph.D. in Electromagnetics from Tsinghua University and is a certified ISO 9001 auditor. Frequently quoted in Power Electronics Review and speaker at IEEE EMC conferences.
Contact: emily.zhou@xcdmagnetic.com | Phone: +86 131 2825 6415