Filter connector

• US 7,442,085 B2
• Filed: 07/11/2007
• Issued: 10/28/2008
• Est. Priority Date: 01/14/2005
• Status: Active Grant

• Current Assignee: Molex LLC (KOCH Industries Incorporated)
• Original Assignee: Molex Incorporated
• Inventors: Fuerst, Robert M., Fenci, Duane M., Mackowiak, Russel L.
• Primary Examiner(s): HARVEY, JAMES R
• Application Number:
  US11/776,398
• Publication Number:
  US 20080020645A1
• Time in Patent Office: 475 Days
• Field of Search: 43962005-6201, 439/676, 439/941, 333181-185
• US Class Current: 439/620.09
• CPC Class Codes: H01R 13/41 by frictional grip in grommet, panel or base
• CPC Class Codes: H01R 13/514 composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
• CPC Class Codes: H01R 13/6625 with capacitive component
• CPC Class Codes: H01R 13/719 specially adapted for high frequency, e.g. with filters
• CPC Class Codes: H01R 13/7195 with planar filters with openings for contacts
• CPC Class Codes: H01R 31/085 Short circuiting bus-strips

Abstract

A filter connector such as one suitable for suppressing electromagnetic interference, radio frequency interference or both is provided according to an assembly approach that reduces cost. Included is a unitary spring plate that overlies the plug portion of the filter connector and biases the filter components up against the terminals of the connector.

Claims

1. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having opposing upstanding walls and at least one row of terminal-receiving passages in the housing through the mounting face;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective passage;

a unitary spring member positioned over said pockets and extending between said opposing upstanding walls of the dielectric housing, said unitary spring member including a plate-like section having edge clips at opposing edges thereof and having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing, said edged clips engaging said opposing upstanding walls of the dielectric housing;

a plurality of terminals extending through said apertures of the spring member and into said passages of the housing;

a plurality of chip components positioned within respective said pockets of the housing, said chip components having one side and an opposite side, with said one side of the chip components respectively engaged with the terminals; and

a plurality of leaf springs of the spring member engaged with said opposite side of the chip components, said leaf springs respectively biasing said chip components between the respective leaf springs and their respective terminals.

3. The filter connector according to claim 1, wherein columns are oriented generally orthogonal to said rows, each column including a plurality of each of said terminal-receiving passages, said pockets, said terminal-receiving apertures, terminals, chip components, leaf springs and edge clips.

4. The filter connector according to claim 1, wherein said leaf springs, plate-like section and edge clips of the unitary spring member are made from a single piece of metal, and said unitary spring member provides ground shielding over the dielectric housing within the opposing upstanding walls thereof.

6. The filter connector according to claim 1, wherein said chip components have a length that can vary from chip component to chip component, and said leaf spring exhibits a self-compliance characteristic whereby the leaf spring and its said opposing terminal are spaced apart by a distance that corresponds to said length of its particular chip component.

7. The filter connector according to claim 6, further including engagement slots in the dielectric housing, and said leaf springs have an extending tail received within a respective said engagement slot positioning said leaf spring said distance from said terminal that corresponds to the length of the chip component.

11. The filter connector according to claim 1, wherein said chip component is selected from the group consisting of filters, capacitors, resistors, jumpers and combinations thereof.

2. A method of manufacturing an electrical filter connector, comprising:

providing a dielectric housing having a mounting face with a plug portion having at least one row of terminal-receiving passages therethrough and at least one row of pockets in alignment and communication with the respective passages;

inserting a plurality of terminals into respective terminal-receiving passages of the dielectric housing;

placing a plurality of chip components into respective pockets of the dielectric housing, each chip component having one side and an opposite side;

positioning a unitary spring member having a plurality of leaf springs having a tail and at least one row of terminal-receiving apertures therethrough over said pockets and chip components while passing the terminals through the unitary spring member apertures and inserting the tails of the respective leaf springs into slots of the dielectric housing; and

biasing the chip components between the respective leaf springs of the unitary spring members and their respective terminals while the respective tails are held in place within the respective slots of the dielectric housing.

5. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having opposing upstanding walls defining edges of a plug portion of the connector having a given width between respective outside surfaces of the opposing upstanding walls, and at least one row of terminal-receiving passages in the housing through the mounting face;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective passage;

a unitary spring member positioned over said pockets and extending between said opposing upstanding walls of the dielectric housing, said unitary spring member having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing and including opposing edge clips each with an inset portion, and wherein opposing inset portions are spaced apart by said given width;

a plurality of terminals extending through said apertures of the spring member and into said passages of the housing;

a plurality of chip components positioned within respective said pockets of the housing, said chip components having one side and an opposite side, with said one side of the chip components respectively engaged with the terminals; and

a plurality of leaf springs of the spring member engaged with said opposite side of the chip components, said leaf springs respectively biasing said chip components between the respective leaf springs and their respective terminals.

8. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having opposing upstanding walls and at least one row of terminal-receiving passages in the housing through the mounting face;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective passage;

a unitary spring member positioned over said pockets and extending between said opposing upstanding walls of the dielectric housing, said unitary spring member having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing;

a plurality of terminals extending through said apertures of the spring member and into said passages of the housing;

a plurality of chip components positioned within respective said pockets of the housing, said chip components having one side and an opposite side, with said one side of the chip components respectively engaged with the terminals;

a plurality of leaf springs of the spring member engaged with said opposite side of the chip components, said leaf springs respectively biasing said chip components between the respective leaf springs and their respective terminals; and

a ferrite having a plurality of holes through which respective said terminals pass, said ferrite being positioned over said unitary spring member.

9. An electrical filter connector, comprising:

a dielectric housing having a mounting face and including a plurality of inner housing modules, said mounting face having opposing upstanding walls and at least one row of terminal-receiving passages in the housing through the mounting face;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective passage;

a unitary spring member positioned over said pockets and extending between said opposing upstanding walls of the dielectric housing. said unitary spring member having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing;

a plurality of terminals extending through said apertures of the spring member and into said passages of the housing;

a plurality of chip components positioned within respective said pockets of the housing, said chip components having one side and an opposite side, with said one side of the chip components respectively engaged with the terminals; and

a plurality of leaf springs of the spring member engaged with said opposite side of the chip components, said leaf springs respectively biasing said chip components between the respective leaf springs and their respective terminals.

10. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having opposing upstanding walls and at least one row of terminal-receiving passages in the housing through the mounting face;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective passage;

a unitary spring member positioned over said pockets and extending between said opposing upstanding walls of the dielectric housing, said unitary spring member having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing;

a plurality of terminals extending through said apertures of the spring member and into said passages of the housing;

a plurality of chip components positioned within respective said pockets of the housing, said chip components having one side and an opposite side, with said one side of the chip components respectively engaged with the terminals; and

a plurality of leaf springs of the spring member engaged with said opposite side of the chip components, said leaf springs respectively biasing said chip components between the respective leaf springs and their respective terminals, said leaf springs including a non-linear engagement finger and being cantilevered from at least one downwardly depending strut of the unitary spring member.

12. The filter connector according to claim 10, wherein said finger is generally S-shaped.

13. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having a plug portion and at least one row of terminal-receiving passages through the mounting face of the housing;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective terminal-receiving passage;

a unitary spring plate positioned over said pockets and extending over said plug portion of the dielectric housing, said unitary spring plate including a plate-like section having edge clips at opposing edges thereof and having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing, said edge clips engaging said plug portion of the dielectric housing;

a plurality of terminal pins extending through respective said apertures of the unitary spring plate and into respective said passages of the housing;

a plurality of capacitors positioned within respective said pockets of the housing, said capacitors having one side and an opposite side, with said one side respectively engaged with respective said terminals; and

a leaf spring of the unitary spring plate engaged with respective said opposite sides of the capacitors, said leaf springs respectively biasing said capacitors between the respective leaf springs and their respective terminals.

15. The filter connector according to claim 13, where in said leaf springs, plate-like section and edge clips of the unitary spring plate are made from a single piece of metal, and said unitary spring plate provides ground shielding over the plug portion of the dielectric housing.

16. The filter connector according to claim 13, wherein said capacitors are chip capacitors that have a length that varies from capacitor to capacitor, and said leaf spring exhibits a self-compliance characteristic whereby the leaf spring and its said opposing terminal are spaced apart by a distance that corresponds to said length of its particular chip capacitor.

14. An electrical filter connector, comprising:

a dielectric housing having a mounting face, said mounting face having a plug portion and at least one row of terminal-receiving passages through the mounting face of the housing;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective terminal-receiving passage;

a unitary spring plate positioned over said pockets and extending over said plug portion of the dielectric housing, said unitary spring plate having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing;

a plurality of terminal pins extending through respective said apertures of the unitary spring plate and into respective said passages of the housing;

a plurality of capacitors positioned within respective said pockets of the housing, said capacitors having one side and an opposite side, with said one side respectively engaged with respective said terminals; and

a leaf spring of the unitary spring plate engaged with respective said opposite sides of the capacitors, said leaf springs respectively biasing said capacitors between the respective leaf spring and their respective terminals, said leaf springs each including a non-linear engagement finger, a tail downwardly depending therefrom and being cantilever-mounted from said unitary spring plate.

17. An electrical filter connector, comprising:

a dielectric housing having a mounting face and including a plurality of inner housing modules, said mounting face having a plug portion and at least one row of terminal-receiving passages through the mounting face of the housing;

at least one row of pockets in the housing in alignment with said passages, one side of each pocket communicating with its respective terminal-receiving passage;

a unitary spring plate positioned over said pockets and extending over said plug portion of the dielectric housing, said unitary spring plate having at least one row of terminal-receiving apertures therethrough respectively in alignment with said passages in the housing;

a plurality of terminal pins extending through respective said apertures of the unitary spring plate and into respective said passages of the housing;

a plurality of capacitors positioned within respective said pockets of the housing, said capacitors having one side and an opposite side, with said one side respectively engaged with respective said terminals; and

a leaf spring of the unitary spring plate engaged with respective said opposite sides of the capacitors, said leaf springs respectively biasing said capacitors between the respective leaf spring and their respective terminals.