Electrical filter connector

In an electrical filter connector of the type including an insulative housing supporting a plurality of electrical contacts, a metal shell supported by said housing substantially surrounding said contacts, a resilient ground spring in electrical engagement with said metal shell, said spring having a resilient portion projecting from said connector for resilient engagement with a ground trace on a system circuit board, a plurality of capacitive elements, each having a pair of spaced terminations, a first termination of each capacitive element being in electrical engagement with respective electrical contacts and a second termination of each capacitive element being in electrical engagement with said ground spring, wherein the improvement comprises:

• a capacitive sub-assembly including an insulative substrate having a plurality of openings in individual receipt of respective contacts therethrough, said capacitive elements being supported by said substrate, said first terminations being electrically individually connected to the respective contacts by conductive elements on said substrate, said conductive elements comprising metallized portions disposed on said substrate and into each of said openings, each of said contacts including a compliant section, each of said compliant sections being disposed in a press-fit engagement with said metallized portions in each of said openings of said substrate, plural second terminations being electrically connected in common by a conductive member on said substrate, said ground spring being electrically connected to said conductive member, whereby said plural second terminations may be electrically commonly connected to said ground trace on said system circuit board.

In an electrical filter connector of the type including an insulative housing supporting a plurality of electrical contacts, each contact having a compliant terminal for resilient electrical engagement with openings in a system circuit board, a metal shell supported by said housing substantially surrounding said contacts, a resilient ground spring in electrical engagement with said metal shell, said spring having a resilient portion projecting from said connector for resilient engagement with a ground trace, on said system circuit board, a plurality of capacitive elements, each having a pair of spaced terminations, a first termination of each capacitive element being in electrical engagement with respective electrical contacts and a second termination of each capacitive element being in electrical engagement with said ground spring, wherein the improvement comprises:

• said insulative housing including a base and an insert, said electrical contacts being captively retained by said base and insert;
• and
• a capacitor sub-assembly including an insulative substrate having a plurality of openings in individual receipt of respective contacts therethrough, a plurality of capacitors being supported by said substrate, said first capacitor terminations being electrically individually connected to the respective contacts by conductive elements on said substrate, plural capacitor second terminations being electrically connected in common by a conductive member on said substrate, said ground spring being electrically connected to said conductive member, whereby said plural capacitor second terminations may be electrically commonly connected to said ground trace on said system circuit board.

In an electrical filter connector of the type including an insulative housing supporting a plurality of electrical contacts, a metal shell supported by said housing substantially surrounding said contacts, a resilient ground spring in electrical engagement with said metal shell, said spring having a resilient portion projecting from said connector for resilient engagement with a ground trace on a system circuit board, a plurality of capacitive elements, each having a pair of spaced terminations, a first termination of each capacitive element being in electrical engagement with respective electrical contacts and a second termination of each capacitive element being in electrical engagement with said ground spring, wherein the improvement comprises:

• a capacitive sub-assembly including an insulating substrate having a plurality of openings in individual receipt of respective contacts therethrough, said capacitive elements being supported by said substrate, metallized portions being disposed on said substrate, and into each of said openings, said substrate comprising an edge portion disposed adjacent said metal shell, a metallized strip being disposed on said substrate adjacent said edge portion and spaced from said metallized portions, said first terminations being individually soldered to said metallized portions and thereby electrically connected individually to the respective contacts, plural second terminations being soldered in common to said metallized strip and thereby electrically connected in common, said ground spring including a portion extending around said substrate edge with extents lying adjacent opposed surfaces of said substrate, said ground spring portion being formed such that the extents lying adjacent said opposed surfaces of said substrate resiliently engage such surfaces, said ground spring being soldered to said metallized strip whereby said plural second terminations may be electrically commonly connected to said ground trace on said system circuit board.