AQF Series Automotive Grade Common Mode Choke – Professional EMI Noise Reduction

Advanced ferrite toroidal core construction delivering high common mode impedance up to 1000 ohm with compact 3.5mm low-profile design for automotive and industrial applications

2024Q1 E-Newsletter Automotive Grade Common Mode Choke AQF Series

AQF series is using ferrite toroidal core construction to reduce power noise and then it can be great performance. The Impedance is up to 1000 ohm, the operating temp is from -40 degree to +125 degree and it is suitable in AEC-Q200 Grade 1. These CMC (Common Mode Choke) are excellent for the EMI common mode noise reduction with good countermeasures to comply with CISPR-25 radiated emission requirements. AQF Series product features also include high common mode impedance in associated frequency range and small in dimension & low profile (as low as 3.5mm in height) with large DC current rating (up to 10A).


24 Jan, 2024
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Product Catalog

2025 Automotive Grade Product Catalog

How can you reduce EMI-related warranty claims and ensure CISPR-25 compliance in your next-generation vehicle electrical systems?

ABC ATEC's AQF Series common mode chokes are specifically engineered for automotive-grade noise suppression with AEC-Q200 Grade 1 certification and proven CISPR-25 radiated emission compliance. With impedance up to 1000 ohm and temperature range from -40°C to +125°C, the AQF Series provides the electromagnetic interference control your tier-1 supply chain requires. Contact ABC ATEC to discuss customized solutions that reduce design iterations and accelerate your vehicle platform launches.

The AQF Series distinguishes itself through a combination of high common mode impedance across the associated frequency range, ultra-compact dimensions with low-profile construction as low as 3.5mm in height, and substantial DC current ratings up to 10A. This engineering excellence enables design flexibility for space-constrained automotive applications while providing the electrical performance necessary for modern vehicle powertrains, infotainment systems, and safety-critical electronics. ABC ATEC's 45 years of specialized expertise in inductor design and manufacturing, backed by IATF16949 certification and proprietary production technologies, ensures that the AQF Series delivers the reliability and customization capabilities automotive OEMs and suppliers demand.