Soldering Influence on Passive Performance Capacitor performance is significantly affected by manufacturing tolerance binning and soldering stress, especially for surface-mount components. Poor soldering temperature profiles can cause damage, such as the "tombstone effect," where capacitors stand on one end. Following the manufacturer's recommended solder-profile is crucial, as different components may require varying melting points for optimal assembly. Capacitors, while considered passive, exhibit active behaviors due to parasitic elements, tolerances, temperature changes, and aging, which can affect signal integrity, especially in sensitive measurements. Tools from companies like AVX and Kemet, including free Spice tools and application notes, provide valuable resources for understanding these effects and predicting capacitor performance.
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