# US 5,702,271 A · Ultra low profile board-mounted modular jack

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- Number: US 5,702,271 A
- Document ID: US5702271A
- Status: Granted
- Kind: A
- Application number: 08/697,798
- Filed: 1996-08-30
- Granted: 1997-12-30
- Earliest claimed: 1996-08-30
- Assignees: The Whitaker Corporation
- Inventors: Joseph Richard Steinman
- Web page: https://patentgrep.com/patent/US5702271A

## CPC

- H01R 24/64: for high frequency, e.g. RJ 45
- H01R 12/716: {Coupling device provided on the PCB}
- H01R 13/658: High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] {(coaxial coupling devices specially adapted for high frequency H01R24/40; for flat or ribbon cable connectors H01R12/774; for coaxial cable H01R9/05)}
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS

## Abstract

A modular jack (10) mountable to a circuit board (12), with a bottom section (50) of a housing (32) forwardly of solder tails (38) of contacts (36) thereof, being disposed within a recess (52) in the circuit board, whereby the height of the top surface of the jack above the circuit board is minimized without reducing the size of the plug-receiving cavity (30) of the jack.

## Claims

### Claim 1

An arrangement of a modular jack and a circuit board, comprising:
a modular jack including at least an insulative housing having board-mounting sections and a plurality of contact members retained therein and having board-connecting sections extending from said housing, and a circuit board having a top surface and an edge and a plurality of conductive sites corresponding to respective said board-connecting sections of said contact members, and further having mounting apertures cooperable with said board-mounting sections of said housing, said board-mounting sections of said housing and said board-connecting sections of said contact members depending below a board-mounting face of said housing abuttable against said top surface of said circuit board;
said modular jack defining a plug-receiving cavity extending inwardly from a mating face, and said contact members including respective contact sections extending into said plug-receiving cavity to be engaged by corresponding contacts of a mating plug connector received into said plug-receiving cavity, and said modular jack further including a bottom section defining at least a latch arm channel adjoining said plug-receiving cavity and extending rearwardly from said mating face at least to rearwardly facing latch surfaces;
said bottom section of said housing extending below said board-mounting face thereof forwardly of said board-connecting sections of said contact members, and said circuit board defining a recess extending inwardly from said edge complementary to said bottom section of said housing, to receive thereinto at least said bottom section of said housing,
whereby the height of a top surface of said modular jack above said top surface of said circuit board is minimized.

### Claim 2 (depends on 1)

The arrangement as set forth in claim 1 wherein said mounting apertures of said circuit board are in communication with said recess.

### Claim 3 (depends on 1)

The arrangement as set forth in claim 1 wherein said modular jack includes a shield surrounding said housing, said shield including a bottom wall traversing an outer surface of said bottom section of said housing and extending rearwardly from a front face of said shield to enclose said plug-receiving cavity.

### Claim 4 (depends on 1)

The arrangement as set forth in claim 1 wherein said plug-receiving cavity is in communication with a bottom surface of said bottom section of said housing extending rearwardly from said mating face of said housing.

### Claim 5 (depends on 4)

The arrangement as set forth in claim 4 wherein said modular jack includes a shield surrounding said housing, said shield including a bottom wall traversing an outer surface of said bottom section of said housing and extending rearwardly from a front face of said shield to enclose said plug-receiving cavity.

### Claim 6

An arrangement of a connector and a circuit board, comprising:
a connector including at least an insulative housing having board-mounting sections and a plurality of contact members retained therein and having board-connecting sections extending from said housing, and a circuit board having a top surface and an edge and a plurality of conductive sites corresponding to respective said board-connecting sections of said contact members, and further having mounting apertures cooperable with said board-mounting sections of said housing, said board-mounting sections of said housing and said board-connecting sections of said contact members depending below a board-mounting face of said housing abuttable against said top surface of said circuit board;
said connector defining a mating face, and said contact members including respective contact sections exposed along said mating face to be engaged by corresponding contacts of a mating connector, and said connector further including a bottom section adjoining said mating face;
said bottom section of said housing extending below said board-mounting face thereof forwardly of said board-connecting sections of said contact members, and said circuit board defining a recess extending inwardly from said edge complementary to said bottom section of said housing, to receive thereinto at least said bottoms section of said housing,
whereby the height of a top surface of said connector above said top surface of said circuit board is minimized.