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 series (C case size, 220µF/4V) is suitable 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. The mean time between failure (MTBF) rating is in the range of 200,000 to 500,000 hours. Plus, OxiCap also offers better stability of electrical parameters over time with a smaller variation of electrical parameters over temperature.

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For space- and height-constrained applications requiring high capacitance devices, T-case tantalum TLC series capacitors offer a capacitance of 220 µF, at rated voltage of 4 V and a maximum height of 1.2 mm. The T case is suitable for slim portable devices (PDAs, mobile phones, and similar handheld equipment). AVX tantalum and OxiCap capacitors are capable of withstanding three times reflow profile up to 260°C. Both technologies are manufactured and tested to comply with the latest lead-free, RoHS, and JEDEC020C requirements.

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