Power module with an integrated aluminium snubber capacitor
US12176146B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 27, 2021 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Sep 5, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention concerns a power module comprising a power device, a baseplate, circuit carrier, and a flat stacked aluminium electrolytic snubber capacitor comprising a layered structure of a cathode layer, a separator layer, comprising paper and an electrolyte and an anode layer, comprising an aluminium material with an aluminium oxide dielectric, wherein the circuit carrier are mounted on the baseplate, the power device and snubber capacitor are placed on the circuit carrier within the power module and electrically connected to the circuit carrier, the circuit carrier being configured for providing an electrical connection between the power device and the snubber capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.