VDE; UL Recognised Component. VDE 0565-2 UL 1283. The stated Rated Current I R is referenced to 50Hz @ T A 40°C The stated Rated Inductance L R is per Coil @ 20°C. Epcos B82721A Series Common Mode Choke. Current-compensated ring core double chokes with a ferrite core in flame retardant potting and case to (UL94V-0) High resonance frequency by virtue of the unique winding technique used Applications include switch-mode power supplies for computers, televisions and other sensitive electronic equipment. Additionally the B82721/2/3/4/5A ranges of chokes are suitable for electronic ballasts in lamps, and the B82725J range of chokes is ideally suited for washing machines and chargers. Low profile horizontal (-A/-B) versions Vertical (-J/-K) versions save PCB space