Low profile toroidal core header for use with pcb component...

Details Low profile toroidal core header for use with pcb component... Low profile toroidal core header for use with pcb component...

H - Electricity

05

K

H05K 3/30 (2006.01)

Patent

CA 2194830

The invention presents a header assembly which provides for the automated assembly of larger sized toroidal core inductors onto printed circuit boards using surface mount technology vacuum placement machinery. The header assembly includes a base for supporting the toroidal core inductor and a center post which pierces the central aperture of the toroid. The end face or top surface of the center post is flat and elevated above the height of the toroid thereby providing a surface to which limited reach suction nozzles of the placement machine can attach to in order to pick up and place the assembly. The header assembly features good heat dissipation characteristics since the inductor is substantially exposed to the ambient environment and not enclosed as in prior art magnetic header assemblies.

L'invention porte sur une plaque de montage qui permet l'assemblage automatisé d'inductances toroïdales plus grosses sur des plaquettes à circuit imprimé à l'aide d'une machinerie de mise en place sous vide selon la technologie de montage en surface. La plaque de montage comprend une base pour supporter l'inductance toroïdale et une tige centrale qui perce le centre du noyau toroïdal. La face d'extrémité ou surface supérieure de la tige centrale est plate et dépasse en hauteur le noyau toroïdal, fournissant ainsi une surface à laquelle des buses d'aspiration à portée limitée de la machine de mise en place peuvent se fixer pour prendre la plaque de montage et la mettre en place. L'ensemble distributeur démontre une bonne capacité de dissipation de la chaleur, étant donné que l'inductance est exposée au milieu ambiant et non enfermée comme dans les plaques de montage magnétiques classiques.

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