Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

The recognition of the electrolytic capacitor electrical symbols

by:Shenmao     2020-12-19
Electrolytic capacitor is one of the capacitor, metal foil as the anode ( Aluminum or tantalum) With the positive close to metal oxide film ( Alumina) A dielectric, is extremely with oxide film of metal substrate, the cathode through the metal level and electrolyte ( Solid or solid) Connected components, for electrolyte are an integral part of the cathode, electrolytic capacitor hence the name. At the same time, electrolytic capacitor plus or minus is wrong. Aluminum electrolytic capacitor can be divided into four classes: into the electrolytic capacitor, ox horn electrolytic capacitor, electrolytic capacitor, bolt type solid electrolytic capacitor. Electrolytic capacitor electrical symbols is as follows: according to the pictures, we can see that the electrolytic capacitor has two moldings, lead feet long by default is + pole, short negative - lead foot Extremely. Is everybody often say long is short. At the same time, the surface of the capacitance have write 680 uf / 25 v, can be learned from the literal meaning of the capacitor has a capacity of 680 uf, electric pressure to 25 v. But if the lead foot cut and or cut as long as to how to distinguish? You can see surface of electrolytic capacitor and a golden tag near the golden mark the lead foot is negative - by default Extremely, and led to a pin is +. The working voltage of electrolytic capacitor with 4 v ~ 500 v, in - working environment temperature 55 ℃ ~ 155 ℃, with large capacity, large volume, polarity, general is often used in the dc filter, the role of the rectifier. Shenzhen ShenMao weiye technology co. , LTD is a professional manufacturer of aluminum electrolytic capacitor, perennial export products at home and abroad.
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