Medical Grade Tantalum Capacitors For Implantable & Life Support Applications


AVX Corporation has released its new TBC Series HRC6000 medical grade tantalum capacitors. Manufactured using AVX’s patented Q-Process, the new TBC Series HRC6000 capacitors deliver lower DCL values than any competitive offering & require significantly less voltage de-rating than the standard 50 per cent recommendation for solid tantalum capacitors.

The series is ideal for medical implantable and life support applications by delivering lower DC leakage (DCL) values down to 0.0025CV or 25 per cent of typical industry limits, and requiring significantly less voltage de-rating as low as 20 per cent for filtering and 0 per cent for pacing, hold-up, and charging.

The AVX’s patented Q-Process, which has enhanced screening imbedding in it, effectively removes components that may experience parametric shifts through customer processing or display instability through life testing, ensures stable and normalized DCL distribution, and provides reliability level verification through life testing to a minimum of 0.1 per cent per 1000 hours with a 90 per cent confidence level.


“The TBC HRC6000 medical grade series is the next generation of our internally qualified medical grade tantalum capacitors,” said Brian Brunette, high reliability tantalum applications engineer, AVX. “Manufactured and screened using our patented Q-Process, which utilises a product level designation system based on a simulated production routine performed on a sample population and a calculation that is both based on the performance of the sample and takes the application conditions of end customers into account, this system allows for remarkably relaxed de-rating recommendations.”

Currently available in three case sizes (0603, 0805, and 1411), three rated voltages (4V, 6V, and 10V), three capacitance tolerances (±5 per cent, ±10 per cent, and ±20 per cent), and with capacitance values spanning 2.2μF to 68μF, the series is rated for use in operating temperatures ranging from -55°C to +125°C.

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At present, 0603 size components are available rated for 2.2μF to 4.7μF and all three voltages, 0805 components are available rated for 6.8μF to 22μF and all three voltages, and 1411 components are available rated for 33μF to 68μF and two voltages: 6V and 10V.

TBC Series HRC6000 medical implantable grade capacitors are also available with one of three termination finishes: solder fused, gold-plated, and 100 per cent matte tin, the latter two of which are lead-free compatible and RoHS compliant.

Lead time for the series is 12 weeks, and components can be shipped in bulk, on 7″ tape and reel, or in waffle packaging.



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