Date:2025-11-24 Categories:Product knowledge Hits:171 From:Guangdong Youfeng Microelectronics Co., Ltd
From a certain perspective, the impedance of a capacitor in an AC circuit can be considered as a "resistance", but it has a fundamental difference in behavior from a regular resistor. Resistors convert electrical energy into thermal energy, while capacitors store and release electrical energy in their electric field without consuming electrical energy. In addition, the impedance of a capacitor is related to the frequency of the signal, while the resistance of a resistor is independent of the frequency.diode
In summary, although capacitors hinder the flow of current in AC circuits, which is somewhat similar to resistors, the working principles and effects of capacitors and resistors are completely different. Capacitors store energy through an electric field, while resistors block current by consuming electrical energy. The impedance of a capacitor depends on its capacitance value and the frequency of the circuit, while the resistance of a resistor is usually fixed. These differences make capacitors and resistors play different roles in circuit design.diode
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