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For Purchasing Managers, Technical Directors & Operations Leaders who struggle with costly EMI failures and long lead‑times, our uu9 8 common mode choke delivers industrial‑grade noise suppression at a price that protects your bottom line.
Get Free Sample in 24 hWhat does this mean for you? Higher OPEX, missed market windows, and a damaged brand reputation.
See How We Solve It →| Parameter | Value | Unit |
|---|---|---|
| Inductance (L) | 8.0 | µH |
| Maximum Current (Imax) | 3.5 | A |
| Impedance (Z) | 45 | dB @ 100 kHz |
| Operating Temperature | ‑40 ~ 125 | °C |
| Size (L×W×H) | 12×12×5 | mm |
| Compliance | CE, FCC, RoHS, ISO 9001 | — |
Medical Imaging Equipment: A US‑based OEM reduced device‑level EMI failures by 38% after switching to our uu9 8 choke, cutting warranty claims by $120 k annually.
Industrial Motor Drives: Our choke enabled a 15% increase in power density for a European motor‑control supplier, shortening product cycles from 8 weeks to 5 weeks.
New‑Energy Inverters: Integrated into a solar inverter, the choke met IEC 61800‑3 standards with a 20% lower component cost versus legacy solutions.
Request a Technical Datasheetemi-filter-common-mode-choke common-mode-chokes-filters smd-common-mode-choke power-common-mode-choke
“Switching to Xinchangda’s uu9 8 choke cut our EMI testing time by 40% and saved $30 k per batch. Delivery was on‑time, and the quality is rock‑solid.”
- James Lee, Procurement Manager, MedTech USA
“The OEM customization options let us integrate the choke into a 30 mm PCB without redesign. Production ramp‑up was completed in 10 days.”
- Elena Petrova, Technical Director, EuroDrive GmbH
Certificates: CE, FCC, RoHS, ISO 9001, VDE, GS, CB
Standard production is 2 weeks from order confirmation. Express shipping can deliver within 5 days for urgent projects.
Yes. Our R&D team offers OEM/ODM services for inductance, size, and coating variations. Minimum order for custom runs is 5 k pieces.
CE, FCC, RoHS, ISO 9001, VDE, GS, CB. Test reports are available on request.

Free engineering samples (up to 5 pcs) are shipped worldwide after a short NDA.
T/T 30% deposit, 70% against documents. We also accept L/C at sight for larger orders.
Risk‑free trial: Receive a free sample, test it in your system, and enjoy a money‑back guarantee if specifications are not met.
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Linda M., Senior Engineer, SolarTech USA
“The uu9 8 choke performed exactly as the datasheet promised. Our inverter’s THD dropped from 6% to 2.5%, and the supplier’s 2‑week delivery saved us a product launch.
Mark T., Procurement Lead, AutoParts Corp.
“We compared three manufacturers; Xinchangda offered the best price‑quality ratio. The choke’s durability passed our 10 000‑hour burn‑in test with zero failures.
Sarah K., Technical Director, MedEquip Ltd.
“Fast OEM customization let us meet a strict FDA filing deadline. The product’s CE certification gave us confidence during market approval.
Dr. Alex Chen – Senior Magnetic Component Engineer with 18 years of experience in OEM/ODM design for medical, industrial, and renewable‑energy markets. Holds a Ph.D. in Electrical Engineering (MIT) and is a certified ISO 9001 auditor. Alex has authored 12 white‑papers on EMI mitigation and regularly consults Fortune‑500 manufacturers on supply‑chain optimization.
Contact: grace01@xcdmagnetic.com | Phone: +86 131 2825 6415