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Capacitors Deliver 220µF for High-End and Space-Constrained Audio Applications

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(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

AVX Corp.
P.O. Box 867
Myrtle Beach, SC, 29578

Press release date: January 31, 2006

MYRTLE BEACH, S.C. (January 31, 2006) - Niobium oxide capacitors from AVX combine non-burn features and low-failure rates to enhance safety, reliability and performance in high-end audio applications such as flight audio systems. AVX audio Tantalum and Niobium Oxide capacitors deliver high capacitance values in small packages and provide noiseless clear filtering to eliminate the piezo effect associated with other dielectrics.

The NOJ OxiCap(TM) series (C case size, 220µF/4V) is ideal for audio applications in handheld equipment and entertainment systems. A COTS+ version is also currently under development for military radio applications. OxiCap niobium oxide capacitors provide a high volumetric efficiency and, unlike aluminum devices, niobium oxide parts do not suffer from dry out, which typically occurs at continuous operating temperatures above 40°C.

"With a MTBF (Mean Time Between Failure) rating in the range of 200,000 to 500,000 hours, OxiCap performs 100 times better than aluminum electrolytic capacitors," said Dan Lane, AVX Marketing Manager. "OxiCap also offers better stability of electrical parameters over time with a smaller variation of electrical parameters over temperature."

For space and height constrained applications requiring high capacitance devices, T-case tantalum TLC series capacitors offer a capacitance of 220µF, a rated voltage of 4V and a maximum height of 1.2mm. The T case is ideal for slim portable devices (PDAs, mobile phones, and similar handheld equipment).

"Tantalum is often preferred to ceramic in audio applications since high CV MLCC capacitors have an associated piezo-electric effect, causing unwelcome noise at audio frequencies," said Dan Lane, AVX Marketing Manager. "Tantalum and Niobium Oxide capacitors exhibit high capacitance stability when temperature and DC voltage fluctuate making them ideal for low and middle frequency coupling."

AVX Tantalum and OxiCap capacitors are capable of withstanding three times reflow profile up to 260degC. Both technologies are manufactured and tested to comply with the latest lead-free, RoHS, and JEDEC020C requirements.

AVX tantalum and Oxicap capacitors in the 220uf, 4 volt range are available from stock to 8 weeks and are priced at $0.20 to $0.30 in 10,000 piece volumes.

For more information on AVX audio capacitors, contact AVX at 801 17th Avenue South, Myrtle Beach, S.C. 29578; by calling 843-448-9411, by fax at 843-444-2864 or on the Web at

AVX Corporation is a leading international supplier of electronic passive components and connectors with worldwide manufacturing facilities. AVX offers integrated passive devices including capacitors, resistors, filters, SMT, timing devices and circuit protection devices. The company is publicly traded on the New York Stock Exchange (NYSE:AVX).
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