AVX has released its TCM series of SMD tantalum polymer multi-anode capacitors with ultra-low ESR. The 22 μF/35 V part features an ESR of just 25 m, making it well suited to high-performance power circuit, telecom and wireless data transfer applications. The capacitors can also withstand large surge currents, operate at high frequencies and handle high ripple currents.
The TCM series features a safe, reduced-ignition failure mode. Their construction uses a conductive polymer cathode, which contains no free oxygen or oxygen molecules that might otherwise be easily released. Therefore the capacitors are very robust against overloading and thermal runaway, enabling a decrease in recommended voltage derating down to 20%, further increasing their suitability in high-power applications and extending their usage to 24 V rail voltage devices. The capacitors are also inherently reliable with failure rates of only 1%/1000 hours at 85°C and full rated voltage.
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