Low ESR tantalum capacitors make a difference in circuit designs

App note from Vishay about how ESR in tantalum capacitors affects circuit performance. Link here (PDF)

When choosing a capacitor for any application, there are a few key characteristics that must be understood in order to analyze its suitability for the circuit. In a simple capacitor equivalent circuit model, there are three key characteristics that affect circuit performance: capacitance, equivalent series resistance (ESR), and inductance. The magnitude of these elements and how they change over temperature, frequency, and applied voltage are different for each capacitor technology.

Low ESR tantalum capacitors make a difference in circuit designs – [PDF]

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