🌕This article is about the failure analysis of ceramic capacitors, which may fail in different environments. 1.Influence of humidity on deterioration of electrical parameters 🌝When the temperature in the lost air is too high, the water film condenses on the surface of the capacitor shell, which can reduce the surface insulation resistance of the capacitor. In [...]
1 Frequency Characteristics of Ceramic Capacitors 🍏1.1 Q value and frequency characteristics of ceramic capacitors The capacitance of the first type of ceramic capacitors (such as COG) is substantially invariant with frequency over the entire usable frequency range. Q value and resonant frequency are important indicators when high-frequency/ultra-high-frequency capacitors are used in bad resonant circuits. High-frequency/ultra-high-frequency [...]
Electrolytic capacitors aluminum foil corrosion process is widely used in industrial production.In actual industrial production, the tunnel corrosion process is generally used, including the steps of pre-stage chemical treatment → pre-stage electrolytic corrosion → post-stage electrolytic corrosion → post-stage chemical treatment. 1 Tunnel etching process ✨1.1 Pre-chemical treatment The annealed electrolytic capacitors aluminum foil sample generally [...]
🔊In the production of aluminum electrolytic capacitors, increasing the capacitance value per unit volume is the direction of continuous improvement of capacitors. The capacitance is proportional to the effective area of the electrode surface, so the most effective way to expand the capacitance of aluminum electrolytic capacitors is to increase the effective surface area of the [...]
🔆With the continuous advancement of ceramic capacitor manufacturing technology, various new Types of Ceramic Capacitors have appeared. There are mainly multilayer ceramic capacitors, large size multilayer ceramic capacitors, flexible terminal ceramic capacitors, open circuit ceramic capacitors, feedthrough capacitors, chip feedthrough capacitors, balanced wire feedthrough capacitors, large capacitance ceramic capacitors, etc. 🍒Multilayer Ceramic Capacitors Multilayer ceramic capacitors [...]