181 CPL Series Capacitors Vishay 181 CPL Capacitors are conductive polymer aluminum capacitors with low impedance. The capacitors are SMD-versions with base plates and are lead (Pb)-free reflow solderable. Vishay 181 CPL series has up to 5000-hour life at +105°C with low ESR and high ripple current. Applications include telecommunications and IT, portable and mobile equipment, as well as industrial and professional applications.