An electronic device includes a first member with a first obverse surface, an electronic element on the first member, a connecting member connected to the electronic element, a second member with a second reverse surface, and a sealing resin covering the first member, the second member, the electronic element, and the connecting member. The second member includes a terminal portion and a connecting portion connected to the connecting member. The first obverse surface includes a first flat portion and a first projecting portion. The first projecting portion projects to the first side in the thickness direction relative to the first flat portion. The second reverse surface includes a second flat portion and a second projecting portion. The second projecting portion projects to the second side in the thickness direction relative to the second flat portion.