AVX - New fused tantalum capacitors protect against short circuits

Published Jun 25 2008 [Printer friendly version] [Email article to a friend] [More Passives articles]

Designed for protection against damaging high DC leakage currents at high currents, AVX has unveiled its new TAW series fused tantalum capacitors.

Short circuit failure mode protection is accomplished using an internal fuse connected in series with the capacitor. As the fuse is fabricated using thin film technology, the components are highly reliable, ultra-fast and the lowest ESR commercially available fused tantalum capacitors currently available.

When the fuse exceeds its current limit, the fused capacitor will fail safe by effectively removing itself from the circuit by creating a high resistance path of above 10Mohm. In some cases this can mean the difference between a total circuit loss and barely detectible performance degradation.

Unlike conventional devices that incorporate an embedded lead wire fuse, the TAW series tantalum capacitors are fully lead-free and RoHS compliant. High-reliability applications such as aerospace, automotive, servers and telecoms infrastructure products will benefit from their new, improved design, says the company.

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