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Technical Notes
These notes will help explain some fundamentals of aluminum electrolytic technology. We hope this will contribute to the effective and efficient use of aluminum electrolytic capacitors in your design applications.
Short Circuits
Short Circuits
Operation Using Solid Aluminum Electrolytic Capacitors
 Precaution 1. If a large amount of current continuously flows into a capacitor that has failed due to a short circuit, the capacitor will overheat and damage the printed circuit board. Design device circuits that prevent a continuous flow of current into the failed capacitor. |
Explanatory Notes
1.1 In case of capacitor failure, device circuits should be designed to limit current. The current limiting values for some solid aluminum electrolytic capacitors are specified in the product literature. 1.2 Immediately disconnect the main power supply of a device when a capacitor or any other problem has caused a short circuit. 1.3 If a large amount of current causes a capacitor to overheat and burn, the decomposition of the burning outer resin will discharge gasses. Do not expose your face to a burning capacitor. If you should inhale the gas, immediately gargle with water. |