The TV1245-3R0346-R is an UltraCap/SuperCap manufactured by Eaton. It is a 3V 34F device designed to store and discharge energy in a variety of applications, such as automotive, storage, backup, and renewable energy. The UltraCap has a rechargeable battery chemistry with high power density and ultra-low self-discharge, allowing for fast and reliable power delivery throughout its long service life. Furthermore, it can be used in applications where a standard capacitor cannot, making it a great choice for applications where extreme power delivery is needed.