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RF/microwave MLCs reduce ESR, raise Q values

Posted: 28 Feb 2011 ?? ?Print Version ?Bookmark and Share

Keywords:multilayer capacitor? dielectric? internal electrode? series resistance?

AVX Corp. has released a multilayer capacitor (MLC) chip series. Called UQCL, the MLC family uses new dielectric and internal electrode materials in a 0402 size with voltages up to 200VDC.

According to AVX, the materials allow for a much lower equivalent series resistance than that noted in previous versions of RF capacitors. The UQCL series chips compliment RF/microwave applications ranging from 10MHz to 4.2GHz. These include microwave RF/IF amplifiers, mixers, oscillators, low noise amplifiers, and filter networks, as well as medical devices such as MRI coils.

- Ismini Scouras
??EE Times

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