A power module includes: a power chip; a control chip controlling the power chip; a power terminal connected to the power chip; a control terminal connected to the control chip; and a package covering the power chip, the control chip, the power terminal, and the control terminal with mold resin, wherein first and second recesses for attaching a fin are respectively provided on side faces facing each other of the package from which neither the power terminal nor the control terminal protrudes, and the first and second recesses are arranged not at positions opposite to each other but alternately.