Linear motor

A linear motor, comprising:

• a housing having a receiving space;
• a vibrator received in the receiving space;
• a stator received in the receiving space;
• an elastic member suspending the vibrator in the housing;
• and
• a circuit board,
• wherein the housing comprises a bottom cover and a shell, the shell covers the bottom cover and encloses the receiving space together with the bottom cover,
• the stator comprises an iron core fixed in the housing, a yoke sleeved on the iron core, and a first coil and a second coil that are respectively provided on two sides of the yoke, the second coil being provided between the yoke and the bottom cover,
• the circuit board is fixed to the bottom cover,
• the vibrator comprises a magnet spaced apart from the stator, the iron core is provided with a groove formed by recessing inwardly from a surface thereof, and a coil lead of the first coil passes through the groove to be electrically connected to the circuit board.