Common mode filter and filter/connector combination

H - Electricity – 03 – H

Patent

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Details

H03H 7/09 (2006.01) H01R 13/66 (2006.01) H01R 13/719 (2006.01) H03H 1/00 (2006.01)

Patent

CA 2257163

An electrical connector includes a common mode filter with a choke portion and an electrical isolation portion made up of two core members, each core member having two core legs (28, 29, 30, 31). A first winding (19) is wrapped around the first leg (28) of the first core member to form a first coil of the isolation section, but the secondary coil (20) of the isolation section and both coils (17, 18 and 20) of the choke section are formed by a single winding which may be a single wire or may include a portion connected through a circuit board. The ends of the second winding (16, 16') are shaped so as to form the mating sections of a pair of RJ contacts, while the ends of the first winding (15, 15') are shaped to form pins for insertion into openings in a LAN interface card.

Un connecteur électrique comprend un filtre de mode commun avec une partie de bobine d'arrêt et une partie d'isolation électrique constituée de deux éléments formant âmes, comportant chacun deux branches d'âmes (28, 29, 30, 31). Un premier enroulement (19) est enroulé autour de la première branche (28) du premier élément formant âme pour former une première bobine de la section d'isolation. La bobine secondaire (20) de la section d'isolation et les deux bobines (17, 18 et 20) de la section de la bobine d'arrêt sont constituées par un enroulement unique qui peut être un seul fil métallique ou peut comprendre une partie connectée par une plaquette de circuits imprimés. Les extrémités du deuxième enroulement (16, 16') sont formées pour constituer les sections correspondantes de deux contacts RJ, tandis que les extrémités du premier enroulement (15, 15') sont formées pour constituer les broches en vue de l'insertion dans les ouvertures ménagées dans une carte d'interface de réseau de zone locale.

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