The Tecate Group PC5 ultracapacitor has been recognized by Electronic Design News in their Top 101 Components list, in the Power Source category. The PC5 comes in at number 3! The PC5 is a prismatic 4.0F, 2.5V ultracapacitor that provides excellent short term power back-up, in an extremely low profile package. The PC5 is also used as a building block to create super capacitor modules at voltages ranging from 5 to 25V, and custom modules in even higher voltages. These super capacitor modules consist of the PBF and PB series of Tecate PowerBurst products.
Top 101 Components 2011 PC5 article
Tecate Powerburst® PC5 data sheet