in this video i explained ESR in Capacitor Equivalent Series Resistance -Explained How to Calculate ESR, ESR is an equivalent resistance value which is provided by a capacitor while working in a circuit, capacitor provides capacitive reactance, which is inversely proportional to the capacitance value and the applied frequency. as the frequency will increase, capacitive reactance will decrease. capacitive reactance measuring unit is ohms. the ESR value basis on the dissipation factor and the XL capacitance reactance. the operating temperature is directly effective on dissipation factor.
to test quality of a capacitor it is necessary to use ESR meter, it applies a 100KHz test signal to the capacitor under test and measures the resistance value provided by the capacitor in response of the high frequency signal. as the ESR will high than the maximum ESR value at that test signal which is mentioned in the product datasheet, then the capacitor will be rejected,
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00:00 what is ESR in capacitor
02:08 how to test capacitor
05:33 what is equivalent series resistance
06:10 what is capacitive reactance, how to calculate XC capacitive reactance