An element body includes principal surfaces opposing each other in a first direction, first side surfaces opposing each other in a second direction perpendicular to the first direction, and second side surfaces opposing each other in a third direction perpendicular to the first and second directions. A length in the first direction of the element body is smaller than a length in the second direction of the element body and a length in the third direction of the element body. Each of the first and second terminal signal electrodes and the terminal ground electrode includes an electrode portion disposed on the principal surface. A thickness of the electrode portion of the terminal ground electrode is smaller than a thickness of the electrode portion of the first terminal signal electrode and smaller than a thickness of the electrode portion of the second terminal signal electrode.