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How To Distinguish The Positive And Negative Electrodes Of Electrolytic Capacitors - News

How To Distinguish The Positive And Negative Electrodes Of Electrolytic Capacitors

212 Published by at June 30,2021

We all know capacitors, which are a kind of electronic components that are widely used, such as tablet computers, LCD TVs, digital cameras and other electronic products. Electrolytic capacitors, as one of the categories, are also very useful. big. So, do you know how to distinguish the positive and negative electrodes of an electrolytic capacitor? Let's take a look together below.

1. Identification of the positive and negative poles of bolt-type electrolytic capacitors. Bolt-type aluminum electrolytic capacitors have clear positive and negative grade marks on the bushing, and the positive pole is represented by "+" and the negative pole is represented by "-". Most bolt capacitors are marked with "+" and "-" beside the terminals on the cover.

2. The distinction between the positive and negative poles of the aluminum electrolytic capacitors. Solder aluminum electrolytic capacitors are also called horn capacitors. At present, all manufacturers use "negative mark", that is, the solder pin corresponding to the "-" mark of the bushing is the negative electrode. The positive and negative poles of the electrolytic capacitors are also distinguished on the cover. Most of them are identified by the "embossing" of the negative electrode. There are also electrolytic capacitor manufacturers that directly print the signs of "+" and "-" on the rivets.

3. Identification method of the positive and negative poles of electrolytic capacitors with lead structure. The lead structure electrolytic capacitor also adopts the "negative mark", that is, the lead corresponding to the "-" mark of the casing is the negative electrode. There is also identification according to the length of the lead, the long lead is the positive electrode, and the short lead is the negative electrode.

4. Method for identifying the positive and negative poles of chip aluminum electrolytic capacitors. Chip type aluminum electrolytic capacitors are also called chip aluminum electrolytic capacitors. Chip type aluminum electrolytic capacitors have no bushings, so information about capacity, voltage, positive and negative poles are printed on the bottom of the aluminum shell.

 

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