A multi-layer ceramic electronic component includes a ceramic body and an external electrode. The ceramic body includes a first main surface and a second main surface that face in a first direction, internal electrodes laminated in the first direction, and a penetrating hole that has a diameter decreasing from the first main surface toward the second main surface and includes a tapered surface, the internal electrodes being exposed on the tapered surface. The external electrode includes a first conductive layer disposed along the tapered surface, and a second conductive layer disposed along the first main surface and connected to the first conductive layer.

A multilayer electronic device may include a plurality of dielectric layers stacked in a Z-direction that is perpendicular to an X-Y plane. The device may include a first conductive layer overlying one of the plurality of dielectric layers. The multilayer electronic device may include a second conductive layer overlying another of the plurality of dielectric layers and spaced apart from the first conductive layer in the Z-direction. The second conductive layer may overlap the first conductive layer in the X-Y plane at an overlapping area to form a capacitor. The first conductive layer may have a pair of parallel edges at a boundary of the overlapping area and an offset edge within the overlapping area that is parallel with the pair of parallel edges. An offset distance between the offset edge and at least one of the pair of parallel edges may be less than about 500 microns.

An electronic device is provided that includes a board equipped with a pair of differential transmission lines that each have an opening extending between two line terminals. Moreover, the device includes a capacitor module that includes a support and two capacitors that each have two capacitor terminals, respectively, connected to the two line terminals of one line of the pair of transmission lines. In addition, the support includes a separating region between the two capacitors that has at least one cavity disposed between the two capacitors.

A multi-layer ceramic electronic component includes a ceramic body and an external electrode. The ceramic body includes an end surface facing in a first direction, and internal electrodes exposed from the end surface and laminated in a second direction orthogonal to the first direction. The external electrode is provided on the end surface and includes two protrusions that are formed along two peripheral portions of the end surface and protrude in the first direction, the two peripheral portions being disposed in a third direction orthogonal to the first direction and the second direction.

A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes each provided at one of two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers provided on both sides in a length direction of a surface of the capacitor main body. The two interposers each include a protrusion extending from one of the two interposers to another of the two interposers.

A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes each provided at one of two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers provided on both sides in a length direction of a surface of the capacitor main body. The two interposers each include a protrusion extending from one of the two interposers to another of the two interposers.

A semiconductor assembly includes a semiconductor package that includes first and second transistor dies embedded within a package body, the first and second transistor dies being arranged laterally side by side within the package body such that a first load terminal of the first transistor die faces an upper surface of the package body and such that a second load terminal of the second transistor die faces the upper surface of the package body, and a discrete capacitor mounted on the semiconductor package such that a first terminal of the discrete capacitor is directly over and electrically connected to the first load terminal of the first semiconductor die and such that a second terminal of the discrete capacitor is directly over and electrically connected with the second load terminal of the second semiconductor die.

A multilayer ceramic electronic component includes a multilayer body including ceramic layers that are laminated, first and second internal electrode layers respectively on the ceramic layers and exposed to first and second end surfaces, first and second external electrodes respectively connected to the first and second internal electrode layers. The first and second external electrodes include a base electrode layer including at least one of Ni, Cr, Cu, or Ti and a plating layer including lower, middle, and upper layer plating layers. A particle diameter of a metal included in the lower layer plating layer is larger than a particle diameter of a metal included in the middle layer plating layer.

A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrode layers, first and second external electrodes provided on respective opposing end surfaces, and third and fourth external electrodes provided on any side surface. The internal electrode layers include first and second internal electrode layers connected to the first and second external electrodes, respectively, and third and fourth internal electrode layers connected to the third and fourth external electrodes, respectively. The third internal electrode layer is provided at a distance from the first internal electrode layer, and the fourth internal electrode layer is provided at a distance from the second internal electrode layer.

A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included.