Across the entire electronics industry, customers are experiencing MLCC shortages, especially for larger case sizes and higher capacitance devices.
Under these conditions, manufacturers are evaluating polymer tantalum and molded tantalum capacitors as alternatives, especially for circuit applications like filtering and voltage stabilization.
To ensure a successful substitution, we need to look at a few performance differences that result from the use of different materials and construction and then consider some of the parametric differences to see if they are compatible with circuit performance goals.
This article from Vishay covers the evaluation and testing process involved and provides some necessary tips for a successful substitution.
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