Compressor

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PROBLEM TO BE SOLVED : To provide a compressor having demagnetization resistance even when an amount of Dy (dysprosium) included in a rare earth magnet used for a motor is reduced.SOLUTION : A compressor comprises : a compress element for compressing a refrigerant; a six-pole motor having a rotor using a neodymium rare earth magnet for driving the compress element and including iron, neodymium, boron and dysprosium of 4 weight % or less; and a driver circuit for driving the motor and using a GaN element for a switching part of an inverter main circuit.