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 device includes a leadframe and an electronic component. The leadframe includes a first leadframe element having a first surface and a second leadframe element adjacent to the first leadframe element, the first and second leadframe elements being separate from one another, the second leadframe element having a second surface. A first flange extends from a first outer edge of the first leadframe element and extends away from the first surface of the first leadframe element. A second flange extends from a second outer edge of the second leadframe element and extends away from the second surface of the second leadframe element. The electronic component is coupled to the first and second surfaces of the first and second leadframe elements such that the first and second flanges are located at opposing first and second sidewalls of the electronic component.

A method for manufacturing printed circuit boards for electrical and electronic circuits, comprising an electrically nonconductive substrate (4) and electrically conductive tracks of homogenous thickness applied thereon, wherein the electrically conductive tracks are made of a material with a melting temperature higher than the melting temperature of soldering tin so that they will withstand the soldering of electronic components thereon by soldering tin without melting, characterized in that a print medium (3) comprising the material of the electrically conductive tracks is provided as a two-dimensional layer above the electrically nonconductive substrate (4) and is imprinted on the electrically nonconductive substrate (4) according to the desired conductor track layout, under the influence of heat selectively applied by a print head (2) onto the printing medium (3), whereby the printing medium (3) is transferred onto the substrate (4) by selectively melting or sintering the material for the electrically conductive tracks, wherein the print head (2) does not come into direct contact with the printing medium (3), since at least a foil-shaped carrier material carrying the two-dimensional layer of the printing medium (3) is situated between the print head (2) and the two-dimensional layer of the printing medium (3).

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 connector includes a connector housing forming a receptacle configured to receive an add-in card. The connector further includes a first connector pin configured to electrically couple to the add-in card responsive to the add-in card being inserted into the receptacle. The first connector pin extends from the connector housing to contact a first solder pad disposed on a printed circuit board (PCB). The connector further includes a second connector pin configured to electrically couple to the add-in card responsive to the add-in card being inserted into the receptacle. The second connector pin extends from the connector housing to contact a second solder pad disposed on the PCB. The first connector pin is oriented toward the second connector pin to couple to the PCB in a toe-routing configuration and the second connector pin is oriented away from the first connector pin to couple to the PCB in the toe-routing configuration.

A device includes a leadframe and an electronic component. The leadframe includes a first leadframe element having a first surface and a second leadframe element adjacent to the first leadframe element, the first and second leadframe elements being separate from one another, the second leadframe element having a second surface. A first flange extends from a first outer edge of the first leadframe element and extends away from the first surface of the first leadframe element. A second flange extends from a second outer edge of the second leadframe element and extends away from the second surface of the second leadframe element. The electronic component is coupled to the first and second surfaces of the first and second leadframe elements such that the first and second flanges are located at opposing first and second sidewalls of the electronic component.

A board connector (A) is provided with a housing (10) placed on a circuit board (P) and including a terminal holding wall (11) substantially at a right angle to the circuit board (P) and supporting walls (15) extending rearward from sides of the terminal holding wall (11). Terminal fittings (25, 26) penetrate through the terminal holding wall (11) and are connectable to the circuit board (P) behind the terminal holding portion (11). Fixing brackets are mounted on the supporting walls (15) and are fixable to the circuit board (P) by soldering. A reinforcing portion (20: 21 or 23) links the supporting walls (15) and a rear surface of the terminal holding wall (11).

An ECU 1 includes a circuit board 10, a connector 20 fixed to the circuit board 10 and a resin portion 50 covering the circuit board 10 and the connector 20. The connector 20 includes a housing body 22 and a cut-off receiving portion 27 projecting from the housing body 22. The cut-off receiving portion 27 includes a flange portion 28 projecting outward from the housing body 22 and a flexible wall 29 extending from the flange portion 28 and inclined to be closer to the housing body 22 toward a tip, and a part of the flexible wall 29 is embedded in the resin portion 50.

Each of a supporting-terminal-equipped capacitor chip and a mounted structure thereof includes a capacitor chip and first and second supporting terminals that each have electric conductivity. A maximum diameter size of the first supporting terminal when viewed in an axial direction is larger than a maximum length size of a portion of a first outer electrode on a second main surface in a length direction. A maximum diameter size of the second supporting terminal when viewed in the axial direction is larger than a maximum length size of a portion of a second outer electrode on the second main surface in the length direction.

A supporting-terminal-equipped capacitor chip includes a capacitor chip, and first and second supporting terminals that are electrically conductive and hold the capacitor chip therebetween. A portion of the capacitor chip other than a first connection portion and the first supporting terminal are separated from each other. A portion of the capacitor chip other than a second connection portion and the second supporting terminal are separated from each other. The first connection portion is located on the first main surface adjacent to a first end surface. The second connection portion is located on the first main surface adjacent to a second end surface.