Aluminum Electrolytic Capacitor
Place of Origin
ESR (Equivalent Series Resistance)
Consumer electronics, wind turbine, smart grid
Amplifier & Audio Circuit
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Q: What are the functions of electrolytic capacitors?
A: (1) Filtering. In the power circuit, the rectifier circuit turns AC into pulsating DC, and a larger capacitance electrolytic capacitor is connected after the rectifier circuit. Using its charging and discharging characteristics, the rectified pulsating DC voltage becomes relatively comparatives stable DC voltage.
In practice, in order to prevent the supply voltage of each part of the circuit from changing due to load changes, electrolytic capacitors of tens to hundreds of microfarads are generally connected to the output end of the power supply and the power input end of the load. Since large-capacitance electrolytic capacitors generally have a certain inductance and cannot effectively filter out high-frequency and pulse interference signals, a capacitor with a capacitance of 0.001--0.lpF is connected in parallel at both ends to filter out high-frequency and pulse interference.
(2)Coupling effect: In the process of low-frequency signal transmission and amplification, in order to prevent the static operating points of the front and rear two stages of circuits from interacting with each other, capacitor coupling is often used. In order to prevent excessive loss of low-frequency components in the rhyme of the signal, electrolytic capacitors with larger capacitance are generally used.
JYH HSU(JEC) focuses on the R&D and manufacturing of high-frequency, low-resistance, high-voltage, small-size, and long-life electrolytic capacitors. Our production base is located in Guangdong, China and can supply 6.3V to 500V series of electrolytic capacitors.