Glossary Definition for Equivalent-Series-Resistance

Glossary Term: Equivalent-Series-Resistance 

Definition

Effective Series Resistance (or Equivalent Series Resistance or ESR) is the resistive component of a capacitor's equivalent circuit.

A capacitor can be modeled as an ideal capacitor in series with a resistor and an inductor. The resistor's value is the ESR.

Synonyms
  • Effective Series Resistance
  • Equivalent Series Resistance

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