Article | September 10, 2025

FM2 Range Of Non-Magnetic X7R Low Loss MLCCs For Superior Performance In Medical Imaging And RF Applications

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Engineers developing advanced medical imaging and high-frequency RF systems face stringent demands for components that minimize power loss, preserve signal integrity, and eliminate magnetic interference. Knowles addresses these challenges with its FM2 range of Non-Magnetic X7R Low Loss Multilayer Ceramic Capacitors (MLCCs), specifically engineered for environments where high performance and non-magnetic properties are essential.

The FM2 capacitors deliver significantly lower equivalent series resistance (ESR) and a higher Q factor compared to standard X7R capacitors. This results in reduced power loss, minimized heat dissipation, and enhanced signal fidelity—critical advantages in demanding applications such as MRI systems, which require absolute freedom from magnetic interference, and low-noise amplifiers (LNAs), where high Q performance ensures superior signal clarity.

Key features include ultra-low ESR for improved efficiency, high Q factor for optimal RF signal integrity, and a fully non-magnetic design that eliminates interference in sensitive systems. Additionally, the FM2 range offers competitive ESR performance that meets or exceeds industry-leading standards while providing drop-in compatibility for seamless integration into existing designs without requiring modifications.

By optimizing for reliability, consistency, and integration flexibility, Knowles strengthens its position as a leader in capacitor technology. The FM2 MLCCs enable engineers to build systems that achieve both uncompromised performance and long-term dependability in high-frequency, precision-driven applications.

For more detailed specifications or purchasing options, engineers and designers can explore the FM2 Non-Magnetic X7R MLCC product page or order directly through DigiKey.

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