Low esr electrolytic capacitor, type of capacitor, Hybrid Capacitors

 PCV Series 47 uF 50 V 105 °C Ø 8 x 10 mm SMT Polymer Aluminum Electrolytic Cap

https://www.futureelectronics.com/p/passives--capacitors--aluminum-organic-polymer/pcv1h470mcl7gs-nichicon-6058573