Space-Grade Tantalum Polymer Caps Deliver Lower ESR And Better Current Handling For Bulk Capacitor Applications
by Ron Demcko, AVX, Fountain Inn, S.C. and Slavomir Pala, AVX Lanškroun, Czech Republic, How2Power Today, Aug 15 2021
Focus:
Modern space electronics has a need for advances in bulk capacitors. Solid tantalum
capacitors using MnO2 cathodes are used in space applications because of their large
capacitance in a small size and their infinite useful life. Significant advances are
occurring in traditional tantalum capacitors. Among traditional MnO2 tantalum capacitor
trends are lowered ESR, increased CV, higher voltage rating and smaller case sizes. This
article provides an update on advances beyond the traditional MnO2-based tantalum
capacitors. Specifically, it discusses tantalum polymer capacitors and outlines their
electrical performance relative to MnO2 tantalum capacitors. The article also provides an
update on tantalum polymer agency qualifications.
What you’ll learn:
- How to understand the benefits offered by tantalum polymer capacitors in bulk capacitance applications in space
- How to understand the benefits of tantalum polymer capacitors over traditional MnO2 tantalum capacitors
- How to understand the status of tantalum polymer capacitors with respect to ESA, NASA And Mil specifications
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