Capacitors consist of two conductors divided by a dielectric or vacuum. A little internet searching led me to these fine capacitors from nichicon with the same capacitance rating but a higher temperature tolerance so i expect long life from these ones. 680uf 16v High Temp Radial Electrolytic Aluminum Capacitor From Www Parts Express Com Electrolytic Capacitors 16v 680uf 63v 470uf 400v 3 3uf 20 X 1 0uf Aluminum Electrolytic Capacitor Radial Lead Cap Mouser offers inventory pricing datasheets for 680 uf 250 vdc 35 mm aluminum electrolytic capacitors snap in. 680 microfarad capacitor . 680 uf 200 vdc aluminum electrolytic capacitors snap in are available at mouser electronics. 47 149item free shipping. Set of 5 1050c electrolytic capacitor 680uf 25v 680 mfd 25v 20 radial 316 x 716 4x11mm 45 out of 5 stars 10. When reading schematics repairing rad...