To provide a semiconductor power module which enables a magnetic member used as a filter element to be exchanged as required and enables the miniaturization of a package.

The semiconductor power module is formed by improving a semiconductor power module for a power conversion device which carries out the power conversion of DC power and AC power by switching a power semiconductor element such as an IGBT. An annular magnetic member 6c is disposed to enclose terminals such as terminals 2a, 2b connected to the power semiconductor element inside the module package 21. Consequently, a noise current flowing in the terminals 2a, 2b accompanied by the switching of the power semiconductor element is effectively restrained.