Epcos b82141a series axial rf sbc chokes epcos b82141a1473j a 47microh rf axial leaded small bobbin core sbc choke that consists of a mini ferrite drum core wound with enamelled copper wire in a flame retardant lacquer coating the small size and relatively high current handling capability of this inductor makes it suitable for applications such as rf blocking and filtering decoupling and interference suppression epcos b82141a1473j 47h 5 200ma rf axial sbc choke