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Image courtesy of AVX
<p>(Image courtesy of AVX).</p>

Supercapacitor CV Values with Expanded High Temp Max Cap Capacitor Series

AVX has released a new series of axial leaded, hermetically sealed wet electrolytic tantalum capacitors that achieve supercapacitor CV values in high temperature environments up to 125°C.

Utilizing high CV tantalum powders and a well-established wet tantalum design, TWD High Temp Max Cap (HTMC) Series capacitors deliver exceptional electrical and mechanical stability, achieving extended operational lifetimes of up to 10,000 hours at 85°C, rated voltage. Combined with extremely high capacitance values spanning 25mF to 50mF and a wide operating temperature range spanning -55°C to +125°C, the extended endurance of the new TWD HTMC Series capacitors makes them ideal for use in DC hold-up and low frequency pulse circuitry in avionics, defense, specialized industrial, and other high reliability applications that require high capacitance at higher temperatures and for longer lifetimes than EDLC (electric double-layer capacitor) supercapacitor technologies can currently deliver.

Packaged in T4 axial leaded cases, TWD HTMC Series capacitors are currently available rated for 50mF, 6.3V and 25mF, 10V, -55°C to +125°C, and 10,000 hours at 85°C and rated voltage. Additionally, a third rating of 150mF, 2.5V, -55°C to +125°C, and 2,000 hours at 85°C and rated voltage is in active development. TWD HTMC Series capacitors are available with a ±10% and ±20% capacitance tolerance, with and without an insulating sleeve, and with either Sn/Pb (60/40) plated or pure matte tin terminations. The series is also lead-free reflow compatible and RoHS compliant, and is suitable for automatic mounting and soldering. Lead time for the series is 14 weeks. 

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