High temperature wet electrolytic tantalum capacitor launched

19th July 2018
Source: AVX
Posted By : Alex Lynn
High temperature wet electrolytic tantalum capacitor launched

It has been announced that AVX Corporation has launched a new high temperature wet electrolytic tantalum capacitor series, designed for use at 230°C. The new TWA-X Series features a high capacitance cathode system that achieves high CV performance.

The TWA-X Series functions in standard case sizes and a hermetically sealed, welded tantalum can and header assembly that provides robust resistance against mechanical shock and high frequency vibration. 

Suited for use in military, aerospace, industrial, and oil drilling equipment, TWA-X Series capacitors are also mechanically tested in accordance with MIL-STD-202 and provide the highest capacitance available for a duration of up to 400μF for 500 hours of operation at 230°C. They are currently available in DSCC case size T4 (AVX case size ‘E’) with two initial ratings: 400μF/100V and 330μF/125V.

Mitch Weaver, Technical Staff at AVX, stated: "Our new TWA-X Series offers high-temperature versions of conventional wet electrolytic tantalum capacitors and is especially well suited for use in oil drilling and other high-temperature, harsh environment applications.”

The axial leaded T4 (‘E’) case TWA-X Series capacitors measure 26.97mm in length and either 10.31mm in diameter with an insulating sleeve or 9.52mm in diameter without an insulating sleeve. The axial leads are available in RoHS-compliant, lead free compatible matte tin or in 60/40 tin/lead and measure 57.15mm in length.

The 400μF/100V TWA-X Series capacitors are rated for 2,000 hours at 200°C when derated to 60V and for 500 hours at 230°C when derated to 25V. The 330μF/125V parts are rated for 500 hours at 200°C when derated to 75V and for 500 hours at 230°C when derated to 40V.


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