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Reduce EMI, improve power efficiency, and cut total cost of ownership – engineered for Purchasing Managers, Technical Directors, and Operations Leaders.
Get Free Quote in 24 hRequest a custom design sheet now →
| Parameter | Typical Range | Unit | Notes |
|---|---|---|---|
| Inductance | 0.1 – 10 | mH | Custom cores available up to 30 mH |
| Current Rating | 0.5 – 30 | A | Continuous, with thermal protection |
| DC Resistance (DCR) | ≤ 10 mΩ | mΩ | Low‑loss for high‑efficiency power supplies |
| Operating Temp. | ‑40 ~ +125 | °C | Meets IEC 60784‑2‑1 |
| Package | Through‑hole, SMD, custom coil‑wound | – | Fits PCB, panel, or rack‑mount designs |
Download the full spec sheet (PDF) →
inductors-&-chokes choke-coil-inductance High-voltage-inductor magnetics-inductor-design
“Switching to Xinchangda’s custom choke inductors cut our EMI‑filter cost by 38% and reduced board space by 22 mm². Delivery was on‑time, and the parts passed FCC testing on the first run.”
- Michael Lee, Senior Procurement Manager, SolarTech USA
“The audio‑grade chokes we received had a measured THD+N improvement of 0.15 dB. Our engineering team praised the low DCR and thermal stability.”
- Sarah Patel, Technical Director, SoundWave Labs
Certificates: CE, FCC, RoHS, ISO 9001, VDE, CB, GS, SAA – all available for download on request.
Standard stock chokes ship in 5‑7 days. For OEM/ODM designs, our 10‑engineer R&D team can deliver a prototype within 2 weeks and full‑scale production within 7‑10 days after design approval.
Yes. We offer CE, UL, IEC 60784‑2‑1, and IEC 60601‑1 compliant versions. Our QA team provides full test reports and certification packages.
We ship up to 5 pcs of standard‑size chokes free of charge (shipping cost covered by us) for qualified corporate buyers after NDA signing.
T/T (30 % advance, 70 % before shipment), L/C at sight, PayPal Business, and major credit cards for orders under USD 5,000.

All choke inductors come with a 12‑month warranty against material and workmanship defects. Our technical support line operates 24 h (GMT+8) and we provide remote troubleshooting via Teams or Zoom.
Limited‑time offer: Free engineering sample + 5% discount on first 10 k units (valid until 2026‑06‑30).
Request Quote NowOr reach us instantly via WhatsApp / +86 131 2825 6415
James Carter, Procurement Lead, GreenTech Manufacturing – “Xinchangda’s OEM choke inductors shaved 12 % off our power‑budget while staying under our strict RoHS policy. The engineering team was responsive within hours.”
Linda Gomez, Operations Manager, AudioMax USA – “The low‑noise chokes delivered a measurable 0.18 dB SNR gain. Delivery was faster than promised, allowing us to meet a tight product launch.”
Robert Huang, Senior Engineer, MedEquip Corp. – “Compliance documentation was complete and matched FDA‑GMP expectations. We’ll continue the partnership for future inverter projects.”
Alex Zhao, Senior Magnetic‑Component Engineer – With 12 years of R&D experience in high‑frequency inductors and a Master’s in Electrical Engineering from Tsinghua University, Alex leads Xinchangda’s global OEM/ODM program. His publications on EMI suppression are cited in IEEE Transactions, and he regularly advises Fortune‑500 supply‑chain teams on magnetic‑component sourcing.
Contact Alex directly: alex.zhao@xcdmagnetic.com