High-temperature wet electrolytic tantalum capacitor series launched

12th June 2018
Source: AVX
Posted By : Alex Lynn
High-temperature wet electrolytic tantalum capacitor series launched

A high temperature wet electrolytic tantalum capacitor series has been launched by AVX. Designed for use at 230°C, the TWA-X Series wet electrolytic tantalum capacitors feature a high-capacitance cathode system that achieves high CV performance 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.

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 high capacitance for a long duration: 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.

"Our 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,” said Mitch Weaver, a member of the technical staff at AVX.

The axial-leaded T4 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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