XSN (85℃ 2000H Standard Electrolytic Capacitor)

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Standard Electrolytic capacitor is a kind of capacitor, the metal foil is the positive electrode (aluminum or tantalum), the oxide film (aluminum oxide or tantalum pentoxide) close to the metal is the dielectric, the cathode is made of conductive material, electrolyte (the electrolyte can be liquid or Solid) and other materials, because the electrolyte is the main part of the cathode, so the name of the electrolytic capacitor. At the same time, the positive and negative of the electrolytic capacitor cannot be connected incorrectly. Aluminum electrolytic capacitors can be divided into four categories: lead-type aluminum electrolytic capacitors; horn-type aluminum electrolytic capacitors; bolt-type aluminum electrolytic capacitors; solid aluminum electrolytic capacitors.

1. The capacitance per unit volume is very large, dozens to hundreds of times larger than other types of capacitors.
2. The rated capacity can be very large, and can easily reach tens of thousands of μf or even several f (but it cannot be compared with the electric double layer capacitance).
3. The price has an overwhelming advantage over other types, because the components of electrolytic capacitors are all common industrial materials, such as aluminum and so on. The equipment for manufacturing electrolytic capacitors is also common industrial equipment, which can be mass-produced and the cost is relatively low.