Low voltage electrolytic capacitor
US4381536A · kind A · utility
1Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1981 |
| Grant date | Apr 26, 1983 |
| Priority date | — |
| Expiry date | Feb 2, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aluminum electrolytic capacitor suitable for low-voltage use contains as electrolyte ammonium difluoroacetate dissolved in either ethylene glycol or an ethylene glycol-butyrolactone mixture both containing water. The electrolyte has a room-temperature resistivity of 150 ohm-cm or less and a -40.degree. C. resistivity of less than 11,000 ohm-cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.