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Eliminate costly interference, meet FCC/CE standards, and accelerate time‑to‑market – designed for Purchasing Managers, Technical Directors, and Operations Leaders.
Get Free Quote in 24 h1️⃣ Excessive Conducted Noise in DC‑DC Converters – 68 % of OEMs report >30 % of product failures trace back to inadequate common‑mode filtering (Source: IEC 61800‑3 2025). 2️⃣ Unpredictable Common‑Mode Currents in Automotive Networks – Modern EVs generate up to 10 A of common‑mode current, overwhelming standard inductors and causing CAN‑bus errors. 3️⃣ Compliance Costs of FCC/CE Re‑Testing – Each non‑compliant unit adds $1,200–$3,500 in retest fees and delayed shipments.
Discover the solution →| Parameter | Common Mode Choke | Differential Mode Choke |
|---|---|---|
| Current Rating | 0.5 A – 10 A | 0.3 A – 8 A |
| Impedance (150 kHz) | 120 Ω (typ.) | 85 Ω (typ.) |
| DC Resistance | ≤10 mΩ | ≤8 mΩ |
| Operating Temp. | ‑40 °C ~ +125 °C | ‑40 °C ~ +125 °C |
| Mounting | SMT 0402‑1206, Through‑hole | SMT 0402‑1206, Through‑hole |
| Certifications | CE, FCC, RoHS, ISO 9001 | CE, FCC, RoHS, ISO 9001 |
Common-Mode-Choke common-mode-choke-inductor High-Permeability-Common-Mode-Choke power-line-common-mode-choke
Contact our R&D team via email (grace01@xinchangdadz.com) with your electrical specs, PCB layout, and target volume. We provide a free 3‑D model and a quoted prototype within 5 business days.
Standard stock items ship in 7 days. For custom specifications, 14‑day production plus 2‑day shipping from our Huizhou facility.
Yes. All units are tested in our in‑house EMC lab and carry FCC, CE, and IEC certifications.
We offer DDP (Delivered Duty Paid) to all 50 states. Shipping options include air freight (2‑3 days) or sea freight (15‑20 days).
We provide a dedicated account engineer, 24/7 technical hotline, and a 12‑month warranty covering material defects.
Limited Offer: First‑time customers receive a free 5‑piece sample kit plus 30 % off the initial order—valid until May 31 2026.
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James P., Senior Buyer – GreenTech Solutions
“The price advantage of Xinchangda’s chokes allowed us to stay under budget while meeting stricter EMC standards. Delivery was on‑time, and the quality was spot‑on.”
Linda G., Operations Manager – MedEquip Corp.
“We needed a CE‑certified common‑mode choke for a Class II medical device. Xinchangda delivered a custom design within two weeks, and the device passed final audit on day one.”
Tom R., Technical Director – AutoNova Ltd.
“Differential‑mode choke performance exceeded our simulations by 18 %. The low DCR helped us meet the 0.5 V voltage‑drop target without extra heat sinking.”
Alex Chen, Ph.D. – Senior Magnetics Engineer with 18 years in EMI filter design, formerly Lead R&D at a Fortune 500 automotive supplier. Author of “Advanced EMI Suppression for High‑Power Systems” (2024) and regular contributor to IEC technical committees. Holds ISO 9001 and IEC 61800‑3 certifications.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415
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Certificates: CE, FCC, RoHS, ISO 9001, UL 94, VDE, GS, CB, IECEx (explosive‑environment).