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Air shipment Position Sensor Solid capacitors are called: solid aluminum electrolytic capacitors. The biggest difference between it and ordinary capacitors (ie liquid aluminum electrolytic capacitors) is that different dielectric materials are used. The liquid aluminum capacitor dielectric...
Air shipment Position Sensor
Solid capacitors are called: solid aluminum electrolytic capacitors. The biggest difference between it and ordinary capacitors (ie liquid aluminum electrolytic capacitors) is that different dielectric materials are used. The liquid aluminum capacitor dielectric material is electrolyte, and the solid capacitor dielectric material is conductive polymer material.
In view of the problems of liquid electrolytic capacitors, solid aluminum electrolytic capacitors came into being. Since the 1990s, aluminum electrolytic capacitors have adopted a solid conductive polymer material instead of an electrolyte as a cathode, and have achieved innovative development. The conductivity of conductive polymer materials is usually 2 to 3 orders of magnitude higher than that of electrolytes. Aluminum electrolytic capacitors can greatly reduce ESR and improve temperature and frequency characteristics. And because of the good processability of polymer materials, it is easy to encapsulate. The earth has promoted the development of the chipping of aluminum electrolytic capacitors. There are two main types of commercially available solid aluminum electrolytic capacitors: organic semiconductor aluminum electrolytic capacitors (OS-CON) and polymer conductor aluminum electrolytic capacitors (PC-CON).
The structure of the organic semiconductor aluminum electrolytic capacitor is similar to that of the liquid aluminum electrolytic capacitor, and the vertical insert package is often used. The difference is that the cathode material of the solid aluminum polymer electrolytic capacitor replaces the electrolyte with a solid organic semiconductor extract, which effectively solves the problems of evaporation, leakage, and flammability of the electrolyte while improving various electrical properties.
Solid aluminum polymer chip capacitors are a unique structure that combines the characteristics of aluminum electrolytic capacitors and tantalum capacitors. Like liquid aluminum electrolytic capacitors, solid aluminum polymers are mostly in the form of patches. A high conductivity polymer electrode film is deposited on alumina as the cathode, and carbon and silver are the cathode extraction electrodes, which is similar to the solid tantalum electrolytic capacitor structure.