Patent ID: 7889045

Claim:
A balun transformer comprising: a drum-shaped core having a core unit and first and second flanges arranged on both sides of the core unit; first to third terminal electrodes arranged on the first flange; fourth to sixth terminal electrodes arranged on the second flange; a first wire wound in a first number of turns around the core unit, the first wire having one end connected to the first terminal electrode and other end connected to the fourth terminal electrode; a second wire wound in a second number of turns around the core unit, the second wire having one end connected to the second terminal electrode and other end connected to the fifth terminal electrode; a third wire wound in a third number of turns around the core unit, the third wire having one end connected to the third terminal electrode and other end connected to the sixth terminal electrode, wherein the first number is different from the second and third numbers, and the second and third numbers are same as each other.