COTS+ tantalum capacitors suit critical military systems

14th August 2015
Source: AVX
Posted By : Barney Scott
COTS+ tantalum capacitors suit critical military systems

AVX has released a COTS+ version of its TCR Professional Series polymer tantalum chip capacitors. Designed for use in critical military systems, the TCB series features conductive polymer electrodes, which enable extremely low ESR and reduce the potential for ignition failure. Each batch undergoes lot conformance testing and additional reliability level verification in order to provide higher reliability than standard polymer tantalum capacitors.

Life tested to 0.1% per 1,000 hours with a 90% confidence level, designed to withstand biased humidity testing at 85°C and 80% of rated humidity for 120 hours, and rated for operating temperatures as high as 105°C, TCB Series capacitors are ideal for: AC/DC power supplies, DC/DC converters, filtering, decoupling, timing circuits, and pulsing circuits.

Currently available in a single case size (AVX Code: D, EIA Code: 2917, EIA Metric: 7343-31), two voltage ratings (10 and 16V), two capacitances (47 and 68μF), and a single DCL (0.1CV), TCB Series capacitors feature a ±20% capacitance tolerance, are available with two termination finishes (Sn/Pb and 100% tin), and are rated for operating temperatures spanning -55 to +105°C. TCB Series capacitors rated for 20-63V and 0.47-100μF are currently in development and, upon release, will introduce three extra case sizes and a 0.05CV DCL option available on certain codes.

“Our TCB Series COTS+ polymer tantalum capacitors provide critical systems design engineers with even lower ESR than typical solid tantalum capacitors, in addition to the high reliability that such applications demand,” said Brian Brunette, High Reliability Tantalum Applications Engineer, AVX.

The series is RoHS compliant and lead-free compatible, and lead time for the series is 12 weeks.

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