Desc :https://www.futureelectronics.com/search/?selectedTab=products&q=TQC::manufacturerName:Panasonic&text=TQC . Panasonic TQC Series POSCAP Capacitors utilize a sintered tantalum anode and a proprietary high conductivity polymer for a cathode. Offering a high volumetric efficiency for capacitance, POSCAPCapacitors are available in various, compact package sizes for a small PCB footprint. https://youtu.be/BCgSMz9muAY