A motor comprising: a stator ; a rotor axially aligned with the stator ; a circuit board disposed at one end, in an axial direction, of the stator , and having a sensor for detecting a rotational angle of the rotor and a switching element for controlling a flow of current based on a detection result of the sensor; and a heat dissipating plate disposed at the one end, in the axial direction, of the stator , wherein the stator includes: an iron core including a cylinder and teeth protruding radially inward relative to the cylinder ; an insulator covering the teeth and one end surface of the cylinder , in the axial direction; and a coil wound around the teeth covered by the insulator ; and wherein the insulator includes an electrically insulating material having a lower rate of heat transfer than a material included in the iron core , the heat dissipating plate is attached to the insulator in a state in which the heat dissipating plate is in contact with the insulator without being in contact with the iron core , the circuit board is attached to the heat dissipating plate in a state in which the circuit board is in contact with the heat dissipating plate without being in contact with the iron core , in a view along the axial direction, the heat dissipating plate has a smaller outer diameter than the cylinder , and the heat dissipating plate is attached to the insulator in a location further radially inward than an outer circumferential surface of the cylinder . a stator ; a rotor axially aligned with the stator ; a circuit board disposed at one end, in an axial direction, of the stator , and having a sensor for detecting a rotational angle of the rotor and a switching element for controlling a flow of current based on a detection result of the sensor; and a heat dissipating plate disposed at the one end, in the axial direction, of the stator , wherein the stator includes: an iron core including a cylinder and teeth protruding radially inward relative to the cylinder ; an insulator covering the teeth and one end surface of the cylinder , in the axial direction; and a coil wound around the teeth covered by the insulator ; an iron core including a cylinder and teeth protruding radially inward relative to the cylinder ; an insulator covering the teeth and one end surface of the cylinder , in the axial direction; and a coil wound around the teeth covered by the insulator ; and wherein the insulator includes an electrically insulating material having a lower rate of heat transfer than a material included in the iron core , the heat dissipating plate is attached to the insulator in a state in which the heat dissipating plate is in contact with the insulator without being in contact with the iron core , the circuit board is attached to the heat dissipating plate in a state in which the circuit board is in contact with the heat dissipating plate without being in contact with the iron core , in a view along the axial direction, the heat dissipating plate has a smaller outer diameter than the cylinder , and the heat dissipating plate is attached to the insulator in a location further radially inward than an outer circumferential surface of the cylinder . <EOS>