Abstract: A module assembly includes a module cover including a bottom wall, a front wall, a rear wall and two opposite side walls defining a receiving cavity therebetween, an electrical connector and a printed circuit board both received in the receiving cavity and a cover member covering the receiving cavity. The module cover has a mating portion with a mating space defined therein. The front wall defines passageways communicating with the receiving cavity and the mating space. The connector includes an insulating housing and a number of terminals retained in the housing. Each terminal includes an engaging portion extending beyond a front face of the housing into the mating space through a corresponding passageway and a press-tail extending upwardly beyond a top face of the housing. The printed circuit board defines plated through holes compliantly receiving the press-fit tails of the terminals.

Abstract: An electrical connector (1) includes an insulative housing (10), a number of contacts (20) received in the insulative housing, and a pair of securing members (50). The insulative housing includes a pair of support portions (13) at opposite ends thereof. Each of the support portions defines a cavity (132) and a through hole (133) communicating with the cavity. The securing members are mounted on the opposite ends of the insulative housing. Each of the securing members includes a mounting boss (53) received in a corresponding cavity of the insulative housing and defining a threaded hole (530) aligning with the through hole of the insulative housing adapted for engaging with a bolt (70) to mount the electrical connector on a printed circuit board (60).

Abstract: An electrical connector (100) includes a unitary insulative housing (1) including a base (10) defining a number of parallel slots (13) and a first shroud (11) extending forwardly from the base, a number of parallelly arranged circuit board modules (3) and a metal stiffener (2) attached to the housing. The circuit board modules are retained by and between the metal stiffener and the housing. Each circuit board module includes a dielectric spacer (30), a circuit board (36) attached to the dielectric spacer and received in a corresponding slot of the housing, and a row of press-fit contacts (38) mechanically and electrically connecting with the circuit board. The metal stiffener includes a second shroud (201) vertically spaced from the first shroud. The circuit boards have mating portions (362) disposed between the first and the second shrouds.

Abstract: An electrical connector (100) includes a unitary insulative housing (1) defining a number of parallel slots (13), a number of parallelly arranged circuit board modules (3) and a shield member (2) attached to the housing. The circuit board modules are retained by and between the shield member and the housing. Each circuit board module includes a dielectric spacer (30), a circuit board (36) attached to the dielectric spacer and received in a corresponding slot of the housing, and a row of press-fit contacts (38) mechanically and electrically connecting with the circuit board and disposed in the corresponding slot.

Abstract: An electrical connector (1) includes a dielectric housing (2) defining a number of parallel slots (23), a number of terminals (5, 5′, 7) arranged in rows in the housing, and a number of parallelly arranged circuit boards (3) received in corresponding slots of the housing. The terminals have contacting beams (52, 52′, 72) electrically connecting with the circuit boards, and tail portions (54, 54′, 74) for electrical connection to a printed circuit board on which the connector is mounted. A shield member (4, 4′) substantially encloses the housing and the circuit boards. The shield member includes a number of inwardly extruded lances (45) located between adjacent circuit boards and electrically contacting with the circuit boards.

Abstract: An electrical connector (1) comprises a dielectric housing consisting of a first housing (10, 52) and a second housing (40, 51), a spacer (20) assembled at a bottom of the housing and a plurality of circuit boards (30). The housing defines a plurality of parallel channels (15) extending in a mating direction of the electrical connector. A plurality of bumps (106) extends downward from an upper wall of the housing in alignment with the channels for abutting against with an upper face of a corresponding circuit board. The spacer consists of a plurality of identical wafers (21) thereby each two adjacent wafers defining a slot (200) to receive a corresponding circuit board therein. Each wafer has a dielectric base (22), a plurality of terminals (23) attached on a first side of the dielectric base to electrically connect with a corresponding circuit board, and a grounding bus (24) mainly attached on an opposite second side of the dielectric base.

Abstract: An electrical connector (50) mounted on a daughter backplane circuit board is used to mate with a complementary connector (60) mounted on the primary backplane circuit board. The connector (50) includes a top housing (51) and a bottom housing (52) and inner circuit boards (70) installed therebetween. Rows of paired signal contacts (80) and grounding plates (90) are arranged in an alternating sequence within the bottom housing (52) to engage with signal trace pairs (71) on one surface of the inner circuit boards (70) and grounding layers on both surfaces thereof. Similar arrangement of signal contacts and grounding plates (63) is adopted within the complementary connector (60).

Abstract: A method for manufacturing an electrical connector assembly (100) comprises the steps of: (a) providing a plurality of first wafers (21) each having a first block (25) and a second block (26) disposed on opposite surfaces; (b) inserting terminals (23) into corresponding first wafers and inserting a plurality of grounding buses (24) between every two adjacent first wafers to defines a first spacer (20), each grounding bus including a body portion and a contacting legs (242) on the surfaces of corresponding first spacer; (c) inserting a plurality of circuit boards (30) into slots (27) between the first wafers, in which the circuit boards electrically engage the grounding buses; (d) bringing the first spacer and the circuit boards into a housing (10) to form a receptacle (1); (e) repeating the steps (a) to (d) to form a second spacer (90) having identical structure with the first spacer; and (f) inserting the second spacer into a second housing (82) to form a header (8), inserting the header into the receptacle

Abstract: An electrical connector assembly comprises a receptacle (1) and a header (8). The receptacle comprises a first interface connection piece (20) including a plurality of first wafers (21) assembled together to define a plurality of slots (200) between adjacent first wafers. Each first wafer includes a plurality of signal terminals and a grounding member mounted on opposite sides of a dielectric base thereof. A plurality of daughter circuit boards (30) each has a first mating portion (302) and a second mating portion (300). The mounting portions are inserted into the slots of the first interface connection piece and engage with the signal contacts and the grounding member. The header has a second interface connection piece (90) including a plurality of second wafers (91) assembled together to define a plurality of slots (900) between adjacent second wafers. Each second wafer has an identical construction with that of the first wafer.

Abstract: An electrical connector (1) mounted on a daughter backplane circuit board is used to mate with a complementary connector (2) mounted on the primary backplane circuit board. The connector (1) includes a top housing (11) and a bottom housing (12) and inner circuit boards (3) installed therebetween. Rows of paired signal contacts (5) and grounding plates (4) are arranged in an alternating sequence within the bottom housing (12) to engage with the inner circuit boards (3). Two projections (37) extend out of edges of every inner circuit board (3) so that the inner circuit board (3) can be positioned after the projections (37) are inserted into corresponding holes (15, 19) formed respectively in the top and bottom housing (11, 12) when the connector (1) is assembled.

Abstract: An electrical connector assembly comprises a receptacle (1) and a header (8). The receptacle comprises a first interface connection piece (20) including a plurality of first wafers (21) assembled together to define a plurality of slots (200) between adjacent first wafers. Each first wafer includes a plurality of signal terminals and a grounding member mounted on opposite sides of a dielectric base thereof. A plurality of daughter circuit boards (30) each has a first mating portion (302) and a second mating portion (300). The mounting portions are inserted into the slots of the first interface connection piece and engage with the signal contacts and the grounding member. The header has a second interface connection piece (90) including a plurality of second wafers (91) assembled together to define a plurality of slots (900) between adjacent second wafers. Each second wafer has an identical construction with that of the first wafer.

Abstract: An electrical connector (1) includes a number of individual wafers (21) assembled together to define a number of slots (200) therebetween for receiving a number of circuit boards (30) in the slots. Each wafer includes a dielectric base (22) and a number of signal contacts (23) and a grounding bus (24) respectively mounted on opposite sides of the dielectric base. Each grounding bus has a number of flaps (247) adjacent to a bottom edge thereof. Each signal contact has a tail portion (232) for electrically engaging with a printed circuit board on which the connector is mounted, and an end portion (236) located near the tail portion and aligned with a corresponding flap of the grounding bus. The flaps are disposed between the end portions of the signal contacts of adjacent rows for functioning as shielding between the end portions, thereby ensuring better signal transmission performance of the connector.

Abstract: An electrical connector includes an insulative housing (110; 310), a number of wafers (130; 350) accommodated in the insulative housing, and a number of inner printed circuit boards (120; 320). Each wafer has a wafer body (131; 3113), a number of electrical contacts (132; 330) mounted to the wafer body and a grounding bus (133; 340) mounted to the wafer body. Each inner printed circuit board has a mounting portion (124; 324) detachably inserted between two adjacent wafers to electrically contact with the signal contacts and the grounding buses and a mating portion (123; 323) adapted for engaging with a complementary electrical connector.

Abstract: A contact (1) comprises a main portion (11,) a pair of retaining portions 13 extending from a pair of ends of the main portion and substantially perpendicular to the main portion, a pair of compressive tail portions (15) extending from the retaining portions, a pair of arms (14) expending upwardly from top ends of the retaining portions, a pin-like tail portion (12) extending downwardly from the main portion.

Abstract: An electrical connector (1) mounted on a daughter backplane circuit board is used to mate with a complementary connector (2) mounted on the primary backplane circuit board. The connector (1) includes a top housing (11) and a bottom housing (12) and inner circuit boards (3) installed therebetween. Rows of paired signal contacts (5) and grounding plates (4) are arranged in an alternating sequence within the bottom housing (12) to engage with the inner circuit boards (3). Two projections (37) extend out of edges of every inner circuit board (3) so that the inner circuit board (3) can be positioned after the projections (37) are inserted into corresponding holes (15, 19) formed respectively in the top and bottom housing (11, 12) when the connector (1) is assembled.

Abstract: An electrical connector (50) mounted on a daughter backplane circuit board is used to mate with a complementary connector (60) mounted on the primary backplane circuit board. The connector (50) includes a top housing (51) and a bottom housing (52) and inner circuit boards (70) installed therebetween. Rows of paired signal contacts (80) and grounding plates (90) are arranged in an alternating sequence within the bottom housing (52) to engage with signal trace pairs (71) on one surface of the inner circuit boards (70) and grounding layers on both surfaces thereof. Similar arrangement of signal contacts and grounding plates (63) is adopted within the complementary connector (60).

Abstract: An electrical connector which includes electrical connector contacts and flexible wires extending from the contacts is formed. The connector is formed having an internal skeletal mold insert which includes means for supporting and aligning the electrical contacts and means for anchoring the wires to the skeletal mold insert. The wires are electrically connected to the contacts and mechanically affixed to the wire anchor means such that wire stability and alignment is insured during an overmolding process. The skeletal mold insert, contacts and wire form a subassembly which is overmolded with a substantially insulative material to form the finished connector.

Abstract: An electrical connector comprises an elongate insulative housing having a plurality of cavities extending in side-by-side relation along the longitudinal housing direction. Each of the cavities is nominally spaced for fine pitch applications to be on the order of 0.050 inch. A wire contact assembly which is snapped into the connector housing and resiliently held therein by a releasable latch, comprises an insulation crimping portion that is formed during the crimping process to be of oval configuration. The oval configuration allows the use of wires at least as large as 28 AWG in such fine pitch spacings and permits installation of each wire contact assembly into the connector in the same orientation.

Abstract: A high density electrical connector is provided for supporting a plurality of contact assemblies in a geometric array, each contact assembly comprising a conductive contact portion, a retention portion, a vertical offset portion and a conductive connection portion. The contact portions are disposed in side by side positions along n rows across the connector. An insulative housing is provided having a rear wall, a forward wall and a plurality of contact assembly support cavities extending between the rear and forward walls. Each support cavity has a contact retention rib which engages the retention portion of the contact assembly. Each support cavity also has an elongate contact entry opening in the rear wall, the entry openings being disposed along n pairs of rows in a staggered array, with adjacent cavities in each pair of rows being alternately upright and inverted. The entry openings for upright cavities in a pair of rows lie along a first center line.

Abstract: A compact circuit breaker containing an electronic trip unit for interrupting overcurrent conditions within a protected circuit is made operable over a wide operating current range by means of current transformers having multiple turn primary windings. The primary windings are selected to provide a constant ampere-turns ratio to the current transformers without changing the size of the secondary winding or the volume of the transformer core.