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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.
Overvoltage
Operation Using Solid Aluminum Electrolytic Capacitors
 Precaution 1. Do not apply an overvoltage to capacitors. |
Explanatory Notes
1. An overvoltage will damage the dielectric of a capacitor and may affect the performance and life of a capacitor or cause catastrophic failure. Although a surge voltage, the maximum overvoltage including DC, peak AC and transients to which capacitors may be subjected for short periods of time, is specified for capacitors in the IEC and JIS standards, it does not imply long-term use but limited use under specific conditions. |
Footnotes:
IEC Standards: IEC 384-4-2 Fixed Capacitors for Use in Electronic Equipment, Aluminum Electrolytic Capacitors with Solid Electrolyte
IEC 384-18-1 Fixed Capacitors for Use in Electronic Equipment, Surface Mount Aluminum Electrolytic Capacitors with Solid Electrolyte
EIAJ Standard: EIAJ RC-2362 Fixed Capacitors for Use in Electronic Equipment, Aluminum Electrolytic Capacitors with TCNQ Solid Electrolyte