Patent ID: 7812700

Claim:
A choke coil, adapted to be surface-mounted on a board, comprising: a drum core, comprising a core rod, and a circular first flange, provided on a lower end of the core rod; a coil, wound around the core rod; and a pair of electrodes, each of which is electrically connected to an associated one end of the coil through a connection part, and includes a first part provided on a lower face of the first flange adapted to oppose a connection land on the board and a second part provided on a side face of the first flange, wherein: the second part of each of the electrodes is adapted to hold a solder fillet together with the land; and in a case where a hypothetic square circumscribing an outer periphery of the first flange is defined, the second part is located within the square and on a diagonal line connecting diagonal corners of the square, and the connection part is located within the square and on another diagonal line connecting the other diagonal corners of the square.