An electric pump comprising: a motor (M, Mb); an impeller rotated by the motor (M, Mb) ; a motor housing portion (RH, RHb) that houses the motor (M, Mb); an impeller housing portion (IH, IHa, IHb) that houses the impeller and is positioned at one side with respect to the motor housing portion (RH, RHb) in a direction of a rotation axis of the motor (M, Mb); an introduction pipe portion that introduces a fluid into the impeller housing portion (IH, IHa, IHb) and is positioned at the one side with respect to the motor housing portion (RH, RHb); a discharge pipe portion that discharges the fluid from the impeller housing portion (IH, IHa, IHb); a printed circuit board electrically connected to a coil of the motor (M, Mb) and positioned at the one side with respect to the motor housing portion (RH, RHb); and an electronic part (E1, E2, E3, E1b, E2b, E3b) mounted on the printed circuit board, wherein the electronic part (E1, E2, E3, E1b, E2b, E3b) includes first and second electronic parts (E1, E2, E3, E1b, E2b, E3b) mounted on a surface of the printed circuit board on a side of the motor housing portion (RH, RHb), the second electronic part (E3, E3b) is taller than the first electronic part (E1, E2, E1b, E2b), the impeller housing portion (IH, IHa, IHb) includes: an upper wall portion positioned at the one side with respect to the impeller; and a peripheral wall portion positioned radially outward about the rotation axis and from the upper wall portion , characterised in that the first electronic part (E1, E2, E1b, E2b) faces the upper wall portion , and the second electronic part (E3, E3b) is positioned radially outward about the rotation axis from the peripheral wall portion . a motor (M, Mb); an impeller rotated by the motor (M, Mb) ; a motor housing portion (RH, RHb) that houses the motor (M, Mb); an impeller housing portion (IH, IHa, IHb) that houses the impeller and is positioned at one side with respect to the motor housing portion (RH, RHb) in a direction of a rotation axis of the motor (M, Mb); an introduction pipe portion that introduces a fluid into the impeller housing portion (IH, IHa, IHb) and is positioned at the one side with respect to the motor housing portion (RH, RHb); a discharge pipe portion that discharges the fluid from the impeller housing portion (IH, IHa, IHb); a printed circuit board electrically connected to a coil of the motor (M, Mb) and positioned at the one side with respect to the motor housing portion (RH, RHb); and an electronic part (E1, E2, E3, E1b, E2b, E3b) mounted on the printed circuit board, wherein the electronic part (E1, E2, E3, E1b, E2b, E3b) includes first and second electronic parts (E1, E2, E3, E1b, E2b, E3b) mounted on a surface of the printed circuit board on a side of the motor housing portion (RH, RHb), the second electronic part (E3, E3b) is taller than the first electronic part (E1, E2, E1b, E2b), the impeller housing portion (IH, IHa, IHb) includes: an upper wall portion positioned at the one side with respect to the impeller; and a peripheral wall portion positioned radially outward about the rotation axis and from the upper wall portion , characterised in that the first electronic part (E1, E2, E1b, E2b) faces the upper wall portion , and the second electronic part (E3, E3b) is positioned radially outward about the rotation axis from the peripheral wall portion . <EOS>