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R53 Series: EMI X2 Film Capacitors with IEC Robustness Classification for Automotive and Energy Applications

R53 Series EMI X2 Film Capacitors
R53 Series EMI X2 Film Capacitors

KEMET, part of the YAGEO Group has introduced its new R53 series of miniature, polypropylene film X2 EMI (electromagnetic interference) suppression capacitors that offer capacitance values from 0.1µF to 22µF, lead-spacing from 15mm to 37.5mmm, 85/85 THB Class IIIB classification, and long-life stability in harsh environmental conditions. This series is intended for use in Class X2 line-to-line applications or in series with the AC mains and fulfills the growing need for automotive, industrial, consumer, and energy applications that require a smaller, high-capacitance X2 class solution for suppressing EMI. The R53 series is well-suited for AC/DC converters in onboard chargers for xEVs, smart grid hardware, EMI filtering in Variable Frequency Drivers (VFDs), LED drivers, and high energy density applications such as capacitive power supplies.

 

R53 series features a metallized polypropylene film encapsulated in a self-extinguishing resin and a shell that meets UL 94 V-0 requirements. The metallized polypropylene film combined with an internal parallel construction provides self-healing properties to prevent catastrophic failure and extend service life. Its volume, on average, is 60% smaller than competitive X2 class capacitors, enabling a smaller PCB area, reduced weight, lower costs and improved reliability. 

 

With a rated 310Vac at 50 or 60Hz, the R53 series have either larger dimensions or require capacitors in parallel in the design and is AEC-Q200 qualified, designed for harsh environments, and meet the highest standards of reliability required for smart grid hardware, often located in limited access areas where regular service is not available. Moreover, the R53 series is now available via KEMET distributors. 

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