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New version of AVX tantalum and niobium oxide capacitor simulation software SpiTanIII v1.1 adds new libraries

14 April 2011

Latest version also includes latest part numbers and file generators

AVX Corporation, a leading manufacturer of advanced passive components and interconnect solutions, has released the latest version of its SpiTanIII applications software that enables designers to view all basic characteristics and parameters for tantalum and Oxicap® (niobium oxide) capacitors. The company has also introduced a new S-parameter Library in v1.1 which includes s2p files.

Spitan III v1.1 enables the designer to choose a desired component by actual part number or by reference to capacitance, rated voltage, case size or series. For selected capacitors, all basic parameters such as the frequency characteristics of capacitance, ESR, impedance, DF and ripple current and ripple voltage ratings are displayed. Furthermore, leakage current DCL vs. time progress can be studied and an equivalent circuit diagram with values of all elements can be displayed. All graphs can be exported either as pictures or as data for further evaluation e.g. in Excel.

This latest version of SpiTanIII, v1.1, includes part numbers of various SMD chip capacitor series released during 2010. For the first time high-reliability and performance wet tantalum axial capacitors are presented in the software database. Important new features include maximal ESR curves vs. frequency and temperature, maximal leakage current DCL curve vs. time and S-parameter s2p files generator. The software can be downloaded from the AVX website at

AVX has also added an additional library, S-parameter s2p Library v1.1, with files for all tantalum and Oxicap (niobium oxide) capacitors. S-parameter files are useful for high frequency application circuit simulation. The standard s2p format library for Tantalum and Niobium Oxide capacitors is generated for all part numbers of the latest SpiTanIII v1.1 database. More than 6400 files are included, where two files are linked to each part, one for series connection in two-port networks and the other for shunt connection. The updated calculus allows a pair of s2p files - *ser.s2p and *shu.s2p - to be generated separately for each selected capacitor from SpiTanIII v1.1 simply by using a single dedicated button.

The library is available at the AVX website through the following link:
http://www.avx.com/spiapps/Spitan/sparam final.rar

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