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Grading resistor for capacitor, cement wirewound
In electronic circuits, when two electrolytic capacitors are used in series, there is often a large resistance with the same resistance value in parallel next to each capacitor, the large resistance is usually above 2W power, and the parallel resistance at both ends of the capacitor is called grading resistor. This resistance is commonly used in 380V circuit, because the voltage resistance of electrolytic capacitor is generally low, in order to meet the needs of high voltage use, the electrolytic capacitor will be used in series to improve the voltage resistance to solve the problem.
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