Ansoft Corporation has released a new model library for Samsung Electro-Mechanics Co. Ltd.’s high-density, miniaturized surface-mount multilayer ceramic capacitors (MLCC) used for decoupling and temperature compensation in applications where PC board space is limited. Targeting new wireless and portable product designs, the new MLCC library allows engineers using Nexxim and Ansoft Designer to simulate advanced PCB and hybrid IC designs.

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The new library contains over 400 capacitor models ranging in capacitance values from 0.5 pF to 47 µF for use with operating voltages up to 50 V depending on chip size (available chip sizes range from 0201 to 1206). Each component model uses S-parameter data from actual device characterization to provide excellent accuracy of the capacitor's electrical response within a Nexxim simulation. Nexxim is able to use the frequency-domain models provided by the S-parameters in both frequency- and time-domain analyses, according to Ansoft.

The library is available from Samsung’s web site (http://www.sem.samsung.com) and is easy to download (under Products/Capacitors-MLCC/Technical Tool) and to configure for use within Nexxim and Ansoft Designer, the developer said. While Samsung will maintain model support and upgrades, Ansoft will address all customer support for Nexxim and Ansoft Designer.