RE5 FPCAP Aluminum Solid Electrolytic Capacitors Nichicon RE5 FPCAP Aluminum Solid Electrolytic Capacitors feature low ESR at a high frequency range, high ripple current capability, and long life and high reliability. By using functional polymer cathode, frequency and temperature characteristics are greatly improved. Applications for Nichicon RE5 FPCAP Capacitors include switching power supplies and DC/DC converters, backup power supplies of CPUs, and miniature high-power supplies.