A shock resistant fuselage system includes first and second fuselage side walls, each of the first and second fuselage side walls having a plurality of guide posts, and a printed circuit board (PCB) rigidly attached to at least one of the first and second fuselage side walls, the PCB having a plurality of guide slots, each of the plurality of guide posts slideably seated in a respective one of the plurality of guide slots so that elastic deformation of the PCB is guided by the guide slots between the first and second fuselage side walls.

Provided is an electronic circuit substrate in which any excess space is not necessary around an electronic component, and position deviation at a time of mounting the electronic component can be prevented with high precision. An electronic circuit substrate 100 includes a printed wiring board 10 and an electronic component 20. The printed wiring board 10 has a first land 11 and a second land 12. The electronic component 20 has a first bond portion 24 which is bonded to the first land 11 with solder, and a second bond portion 25 which is bonded to the second land 12 with solder. The bond area of the first land 11 and the first bond portion 24 is larger than the bond area of the second land 12 and the second bond portion 25. In one direction D1, the position of an outer side edge 24b of the first bond portion 24 is set so as to match the position of the outer side edge 11b of the first land 11.

A power supply apparatus includes a board including a major surface on which a circuit element group is mounted, and a case attached to the board. The case includes a plate-shaped portion that is located at a distance from the board and faces the major surface, and a side wall portion extending from the plate-shaped portion toward one end portion of the board. One end of a specific circuit element among the circuit element group reaches the one end portion of the board, the one end of the specific circuit element being directed to the side wall portion. The side wall portion is provided with a notch portion with a shape corresponding to an outer shape of the one end of the specific circuit element.

A surface mount (SMD) diode taking a runner as the body and a manufacturing method thereof are described. An elongated runner groove is adopted to cure and package groups of diode chips arranged side by side and corresponding copper pins thereon, with the utilization rate of epoxy resin up to 90% or more. The use cost of epoxy resin is thus reduced, and environmental pollution is also reduced.

A portable communication device is provided that includes a display including a display area and a connecting area extending from one side of the display area; a back panel disposed on a rear surface of the display, the back panel including an opening formed therein; a flexible printed circuit board (FPCB) connected with the connecting area; and a biometric sensor electrically coupled with the FPCB, with the connecting area being housed and bent within the portable communication device such that the biometric sensor is placed under the opening.

A multilayer electronic component includes a multilayer capacitor including a capacitor body in which internal electrodes are stacked to be parallel with respect to a mounting surface and external electrodes disposed on opposing end surfaces of the capacitor body, respectively, and a metal frame having a solder pocket and including a vertical portion, an upper horizontal portion extending from an upper end of the vertical portion, and a lower horizontal portion extending from a lower end of the vertical portion, the upper horizontal portion connected to an upper band portion of each of the external electrodes. 0.1≤G/CT≤0.7 is satisfied, in which CT is a height of the vertical portion and G is a distance between the lower band portion of each of the external electrodes and a lower end of the metal frame.

An embodiment of an electronic system comprises a main board, and a modular capacitor subassembly mechanically and electrically coupled to the main board, wherein the modular capacitor subassembly provides backup power for the main board, and wherein the main board is adapted for use in at least two housing form factors. Other embodiments are disclosed and claimed.

Power amplifier assemblies and components are disclosed. According to some embodiments, a power amplifier assembly (10) is provided that includes a power amplifier (12) having a gate lead (14), a drain lead (13) and a source contact surface (15). An extended heat slug (11) is mounted against the source contact surface to conduct heat away (18) from the surface and to extend the electrical path of the source. The extended heat slug has at least a length that is greater than the length of the source contact surface.

A printed board includes an insulating layer, and radiation vias penetrating printed board are formed in both a first region overlapping electronic component and a second region outside the first region. A plurality of conductor layers included in printed board are cross-connected to a plurality of radiation vias. Diffusion radiator includes a thermal diffusion plate, a radiation member, and a cooling body. Radiation member is in close contact with one of main surfaces of cooling body, and thermal diffusion plate is in close contact with one of main surfaces of radiation member on the opposite side to cooling body. One of main surfaces of thermal diffusion plate on the opposite side to radiation member is bonded to a conductor layer on the other main surface of printed board so as to close the plurality of radiation vias.

An electronic component (E), including at least one circuit carrier (1), which is populated with a number of mechanical and/or electronic component parts (2 to 4) and has at least one contact opening (1.3) for forming a mechanical and/or electrical contact-connection point (KS) to at least one of the component parts (2 to 4), wherein at least one of the component parts (4) is at a distance from the circuit carrier (1), includes at least one electrically conductive housing (4.1) and at least one electrical contact element (4.2) projecting out of the housing (4.1), the contact element being insulated from the housing (4.1) and being connected at least in a materially bonded manner to the contact opening (1.3) of the circuit carrier (1), wherein at least one seal element (5) is arranged in the region of the contact-connection point (KS), in particular between the circuit carrier (1) and the housing (4) of the component part (4).