Abstract: The plug connector includes contacts and a block. The contacts are arranged on both sides of the block, and the block is formed at longitudinal ends with projection walls. The receptacle connector includes contacts and a housing. The contacts are arranged on both sides of the block to be opposite to each other in the width direction, and the housing is provided with engaging protrusions engaging the anchoring recess. The housing is further provided between the contacts longitudinally arranged with side walls A higher than upper surfaces of elastic portions of the contacts and with side walls B continuous with the side walls A and higher than upper surfaces of contact portions of the contacts. The plug contacts and the receptacle contacts are brought into contact with each other only after the plug connector and the receptacle connector have been completely fitted with each other.

Abstract: A connector has a plug mounted on a lower surface of a printed circuit board, and a socket mounted on an upper surface of another printed circuit board. The plug is fitted in and electrically connected to the socket. A second support fitting is attached to both ends of a plug main body of the plug and is fixed to the printed circuit board. A first support fitting is attached to both ends of a socket main body of the socket and fixed to the another printed circuit board. The second support fitting is engaged to the first support fitting.

Abstract: A socket assembly formed of hollow tubes for connecting an array of terminals off opposing electronic structures with both axial and lateral resilience, wherein the resilience is achieved through angular cuts in the tubes.

Abstract: A mezzanine connector assembly is configured to electrically interconnect first and second circuit boards. The connector assembly includes a mounting body, a mating body, contacts and dielectric layers. The mounting body is configured to be mounted to the first circuit board. The mating body is disposed opposite of the mounting body and is configured to mate with the second circuit board. The mating body is separated from the mounting body by a separation gap along a vertical direction. The contacts extend between the mounting body and the mating body along the vertical direction. The contacts are configured to be coupled with the first and second circuit boards to electrically join the first and second circuit boards. The dielectric layers discretely surround corresponding ones of the contacts in the separation gap between the mounting body and the mating body. The dielectric layers are separated from one another by an air gap in the separation gap.

Abstract: A board-to-board connector assembly includes a receptacle connector having a plurality of first terminals, and a plug connector having a plurality of second terminals. Each of the first terminals has an elastic arm oppositely defining two first contact portions, and a first contact arm spaced away from the elastic arm. Each of the second terminals has a second contact arm defining two opposite contact means, and a third contact arm defining a second contact portion towards the second contact arm. When the plug connector is mated with the receptacle connector, the elastic arm of the first terminal is disposed between the second and third contact arms of the corresponding second terminal to make the two first contact portions electrically contact one of the two contact means and the second contact portion respectively, and the first contact arm electrically abuts against the other contact means.

Abstract: First sheet-like substrate is arranged at a region surrounded by first terminals of male connector and first circuit substrate, and second sheet-like substrate is arranged at a region surrounded by second terminals of female connector and second circuit substrate, and male connector and female connector are fitted together so that a first passive element of first sheet-like substrate and a second passive element of second sheet-like substrate configure a filter circuit.

Abstract: A board-to-board connector for mating with another connector has a housing and a plurality of terminals. The terminals and housing interact at a reference surface to accurately locate the terminals relative to the housing. The housing includes an elongated recess that extends parallel to a longitudinal axis of the housing and has a plurality of terminal receiving cavities spaced therealong. Each cavity includes a terminal retention wall with a reference surface on one side thereof and a terminal alignment opening extending from the cavity. Each terminals is disposed in a terminal receiving cavity. Each terminal includes a U-shaped retention portion, an L-shaped resilient contact portion extending from the U-shaped retention portion and has a contact projection thereon. A tail portion for interconnection to a circuit member is also provided.

Abstract: A board-to-board connector assembly includes a receptacle connector and a plug connector mated with each other. The receptacle connector has a receptacle housing, a plurality of first terminals disposed in the receptacle housing, and at least one first fixing member mounted to the receptacle housing and having a base portion. A top of the base portion is bent toward one side and then extends downward to form a propping portion defining a first fixing structure thereon. The plug connector has a plug housing, a plurality of second terminals disposed in the plug housing and contacting the corresponding first terminals electrically, and at least one second fixing member mounted to the plug housing and having a base board. At least one end of the base board extends downward to form a connecting portion defining a second fixing structure thereon which can be buckled with the first fixing structure.

Abstract: According to one embodiment, a stacking connector includes a first connector and a second connector plugged into the first connector. The first connector includes a first terminal expandable/compatible in a plug-in direction in which the second connector is plugged, and a mold main body surrounding the first terminal. The first terminal includes a first portion and a second portion including a first overlapping portion movable by slide with respect to the first portion, which partially overlaps with the first portion in the plug-in direction and is brought into direct contact with the second connector. The first portion and the second portion are electrically connected to each other by at least two sections.

Abstract: A system for connecting circuit boards is provided. A plurality of overlapping spaced apart circuit boards have a plurality of conductive pins passing through holes in the circuit boards. A connector includes a flexible sheet insulator and a plurality of conductive surfaces separated and supported by the flexible insulator. At least one of the conductive surfaces has a hole there through and a bent compliant lead extending there from. The hole engages one of the pins, and the complaint lead connects to one of the circuit boards.

Abstract: In a connector for connecting first and second connection objects faced to each other, a conductive contact includes a holding portion held by an insulator, a first spring portion, and a second spring portion connected to the first spring portion. The first spring portion extends from the holding portion in one direction and has a first contacting portion to be connected to the first connection object. The second spring portion extends in the other direction opposite to the one direction and has a free end provided with a second contacting portion to be connected to the second connection object.

Abstract: An electric connector includes an electrically insulative housing, which has connector receiving chambers and an accommodation space arranged in a stack, metal terminals respectively mounted in the connector receiving chambers, the metal terminals each having a front contact end respectively extended to an insertion slot on the front side of each connector receiving chamber for the contact of an external electric connector and a rear bonding portion extended out of the bottom side of the electrically insulative housing for bonding to an external circuit board, and a Bluetooth device mounted in the accommodation space for receiving an external wireless signal, and a metal shield capped on the electrically insulative housing for EMI protection.

Abstract: An electrical connector used for connecting a circuit processing unit (CPU) with pins with a print circuit board (PCB) includes an insulating housing, a plurality of terminals received in the housing and a plurality of fusible members mechanically fixed into the housing. The housing includes a plurality of passageways and receiving cavities communicating with each other. Each of the terminals received in the corresponding passageway has a soldering portion. Each fusible member mechanically fixed into the corresponding receiving cavity has a through hole for receiving the soldering portion of the terminal. A gap is formed between the soldering portion and the fusible member when the soldering portion received in the through hole.

Abstract: Provided is a connector capable of facilitating a work of connecting first and second connection targets. A first receiving part to be coupled to a first plug connector and a second receiving part to be coupled to a second plug connector are formed at the housing of a relay connector which electrically connects the first and second plug connectors to be mounted on a chassis. The housing is provided with a contact which establishes conduction between the first plug connector coupled to the first receiving part and the second plug connector coupled to the second receiving part. The housing comprises a housing body having the first and second receiving parts, and a hook provided at the housing body to engage with a hole provided in the chassis.

Abstract: An electrical connector includes an insulative housing (21) defining a longitudinal direction, a plurality of terminals (22) arranged along the longitudinal direction. Each of the terminals defines a retaining portion (221) with barbs interfering with the housing along a transverse direction perpendicular to the longitudinal direction, a contacting portion (223) and a connecting portion (222) connecting with the retaining portion and the contacting portion. The connecting portion is narrower than the other portions along the transverse direction.

Abstract: A plug connector has an insulative housing and a plurality of signal terminals. The insulative housing has a plurality mounting channels and each mounting channel has an interfering portion. The signal terminals are mounted respectively in the mounting channels and each signal terminals has a first clamping portion and a second clamping portion. Each of the first and second clamping portions has at least on barb stabbing and biting the interfering portion of a corresponding mounting channel to securely hold the signal terminal in the insulative housing.

Abstract: An electrical connector includes a receptacle connector and a plug connector. A first fixture and a second fixture are each arranged on at least one end in the longitudinal direction of the receptacle and plug connectors, respectively. The first and second fixtures each have connection portions to be connected to a respective substrate. The first and second fixtures include at least three engaging portions and at least three anchoring portions, respectively. The engaging portions and anchoring portions are adapted to engage each other. At least one set of the engaging and anchoring portions engaged each other is caused to be in electrical continuity to use as a power supply connection.

Abstract: A burn-in socket comprises a base, a plurality of terminals received in the base, a lid mounted upon the base, and a sliding member mounted on the base. The terminal has a movable arm and a static arm, the lid has a number of actuating portions downwardly extending from the bottom thereof to drive the sliding member. The actuating portion of the lid drives the sliding member to move in both a longitudinal direction and a transverse direction, so that the movable arm moves not only in the longitudinal direction but also in the transverse direction to avoid interference with a static arm of an adjacent terminal.

Abstract: A connector assembly configured to be mounted to a device substrate is provided. She connector assembly includes a connector substrate, an electronic component. contacts, and conductive wires. The connector substrate has a mounting side and an opposite supporting side interconnected by an edge. The mounting side is used to mount the connector substrate to the device substrate. The electronic component is disposed on the supporting side of the connector substrate. The contacts are provided on the mounting side of the connector substrate and are used to electrically couple the electronic component with the device substrate. The wires are joined to the electronic component and to the contacts. The wires extend along the supporting and mounting sides and wrap around the edge of the connector substrate. The conductive wires are separated from one another by a separation gap along the supporting side and the mounting side of the connector substrate.

Abstract: A coaxially connected structure for opposed wiring substrates of the present invention includes a first substrate equipped with a tab type bracket and a second substrate equipped with a socket type bracket, and further includes first and second ground cases respectively mounted on the first and second substrates to cover them. The first and second ground cases are respectively provided with first and second penetration openings to pass the tab type bracket and the socket type bracket therethrough. Exposed parts of the tab type bracket and the socket type bracket from the openings are mutually engaged and being fully surrounded with at least one conductive tubular member which has a function to determine a distance between the first substrate and the second substrate.

Abstract: A board-to-board connector assembly includes a receptacle connector having a plurality of first terminals, and a plug connector having a plurality of second terminals. Each of the first terminals has a first contact portion and a second contact portion and each of the second terminals has a first contact arm and a second contact arm. When the plug connector is mated with the receptacle connector, the first contact portion and the second contact portion of the first terminal electrically contact the first contact arm and the second contact arm of the corresponding second terminal respectively to make the first terminal and the corresponding second terminal electrically interconnected steadily.

Abstract: An electronic component includes a substrate, an interconnection element, and a connector. The interconnection element has conductivity. The interconnection element is present over the substrate. The connector is present on the interconnection element. The connector may further include, but is not limited to, a base, at least one stopper, and at least one sloped guiding surface. The base projects from the interconnection element in a first direction that is vertical to the surface of the substrate. At least one stopper projects from the base in a second direction that is parallel to the surface of the substrate. The one stopper has a stopper surface.

Abstract: An electrical connector using an isotropic conductive elastomer as the interconnect medium.

Abstract: A substrate connecting member connects two circuit boards connected together while maintaining high reliability of the junctions between itself and the circuit boards even if the circuit boards are warped by temperature change of an impact load. The substrate connecting member includes a frame member made of an insulating resin; slit grooves formed in at least one of the inner and outer surfaces of frame side portions composing the frame member, the slit grooves being formed throughout the entire length of the frame side portions in the direction perpendicular to the thickness direction of the frame side portions; and connection conductor portions having connection terminals provided on the top and bottom surfaces, respectively, of the frame side portions in the thickness direction and connecting conductors each connecting connection terminals.

Abstract: In a connector, a fixed member is configured to be fixed to a substrate. An insertion member is arranged separate from the fixed member and configured to be insertable into an insertion part of a mating connector. Pairs of contacts are arranged on side surfaces of the insertion part of the mating connector to connect the fixed member and the insertion member to each other. Each contact includes a first fixed part fixed to the fixed member, a second fixed part fixed to the insertion member, and a contact part to contact with a contact piece of the mating connector. A cross-sectional shape of a portion of each contact between the first fixed part and the second fixed part is such that the insertion member is displaceable relative to the fixed member in an arranging direction of the pair of contacts and a direction perpendicular to the arranging direction.

Abstract: In some embodiments, an electrical connector comprises a male body and a female body. The male body comprises a first insulating base and a plurality of male terminals. Each male terminal includes a male contact. The female body comprises a second insulating base and a plurality of female terminals. Each female terminal includes a female contact arranged to engage a male contact so as to form a circuit. The male contact is formed with a protrusion extending from a side surface. The female contact is bent to form an arc-shaped convex surface that abuts the male contact, and engages the protrusion of the male contact.

Abstract: An electrical connector for electrically connecting a first electronic device to a second electronic device includes a housing that includes a plurality of solder retention channels that hold a plurality of solder segments in a vertical orientation such that at least a vertical surface and one end of each solder segment are exposed. The solder retention channels are formed in first and second opposing rows with an open space formed therebetween. The exposed vertical surfaces of the solder segments face one another.

Abstract: An electrical connector assembly (100) for electrically connecting a plurality of processing units (1) to a printed circuit board (8) comprises a substrate (4) and a plurality of sockets (6) assembled on the substrate (4) for retaining the processing units (1) respectively, the substrate (4) comprises a top surface (41) and a bottom surface (42) opposite to each other, the top surface (41) comprises a plurality of first contact elements (411) and the bottom surface (42) comprises a plurality of second contact elements (421), the socket (6) comprises an insulative housing (3) and a plurality of contacts (2) received therein for electrically contacting with one of the processing units (1).

Abstract: A connector to be connected to a mating connector includes a housing having a receptacle recess portion for receiving the mating connector, and a terminal retained in the housing. The housing includes a containing groove extending in a connecting direction for containing a fitting portion of the terminal. The fitting portion of the terminal includes an engaging portion at a side end edge thereof. The containing groove includes a regulating wall portion extending in the connecting direction and located inner side than a position of an edge surface of the engaging portion at the containing groove. The regulating wall portion includes a regulating surface extending in the connecting direction and a width direction of the terminal. When the mating connector is extracted, the regulating surface regulates an elastic deformation of the fitting portion by abutting against and engaging with the engaging portion.

Abstract: A board-to-board connector assembly includes a receptacle connector and a plug connector. The receptacle connector includes a receptacle housing, a plurality of first terminals and at least one fixing member disposed in the receptacle housing respectively. Each of the first terminals has a crooked first resilient portion and a soldering portion protruded from a free end of the first resilient portion to further project under the receptacle housing. The fixing member has a pair of crooked second resilient portions and two soldering tails each protruded from a free end of the respective second resilient portion to further project under the receptacle housing. The plug connector includes a plug housing mated with the receptacle housing, and a plurality of second terminals disposed in the plug housing and electrically contacting the corresponding first terminals.

Abstract: The present invention is directed toward methods and systems for providing a stackable connector system comprising a switching device configured to select a signal based on a location of a first circuit board above or below a second circuit board. A sense line may be coupled to a location signal and configured to indicate if the first circuit board is above or below the second circuit board. Additionally, a first connector, including a first conductor element, may be located on the first circuit board and a second connector, including a second conductor element, may be located on the first circuit board. An electrical connection element on the first circuit board mat connect the first conductor element to the second conductor element, wherein the location of the first conductor element in the first connector is offset relative to the location of the second conductor element in the second connector.

Abstract: An electrical connector includes: an insulating housing having a plurality of passageways; a plurality of contacts retained in the passageways of the insulating housing, the contact having a retaining beam engaged with the insulating housing, a first contacting beam extending from the retaining beam, a second contacting beam opposite to the first contacting beam and a connecting portion connected with the first and second contacting beam. The second contacting beam and the connecting portion define an acute angle between 10° to 40° to make the contact in a low profile. The insulating housing has a blocking portion with a large thickness protruding into the passageway to downwardly block the second contacting beam from upwardly moving.

Abstract: A connector assembly includes a housing, a contact and a compressive coupling member. The housing has a mating interface and a mounting interface on opposing sides of the housing. The mounting interface is configured to engage a first substrate when the housing is mounted to the first substrate. The mating interface is configured to mate with a mating connector that is mounted to a second substrate. The housing is configured to engage and interconnect the substrates in a parallel arrangement. The contact extends between and protrudes from the interfaces of the housing and is configured to provide an electrical connection between the substrates. The compressive coupling member is configured to extend through the substrates and the housing in a direction transverse to the interfaces. The coupling member is configured to apply a compressive force to the housing to secure the housing with the mating connector to electrically and mechanically interconnect the substrates.

Abstract: A board mounted connector for a board to board connector system is disclosed which can be smaller, provide a more robust connection to a conductive circuit on a printed circuit board while allowing for a high degree of circuit design freedom on the board circuit due to the terminal insertion from the mating side of the housing where the terminals are generally above a bottom portion (33) of the non-conductive housing (31) adjacent the board. The housing (31) is provided with fitting holes (37) extending from an end surface (32d) on the side which mates with the male housing (21). The female terminals (35) have anchor portions (36) to be fitted into the fitting holes (37) of the female housing (31) and contact portions (35b) to engage terminals in a mating connector. Forward end portions (36a) of the anchor portions (36) are soldered to a circuit terminal of the board (3).

Abstract: An electrical connector mounted on a PCB (printed circuit board) includes an insulating housing having a receiving room and a plurality of contacts retained in the insulating housing. Said insulating housing has a tongue portion and a peripheral wall surrounds said tongue portion which defines said receiving room. Each contact includes a U-shaped contacting portion received in said receiving room, a vertical holding portion retained in an inner surface of said peripheral wall and a connecting portion connecting with said contacting portion and said holding portion. Said connecting portion has a linear leading surface which is formed slanted towards said contacting portion downwardly in order to provide a smooth mating process with a mating connector.

Abstract: A connector capable of ensuring reliability of contact even when a mating object to be connected, which is fitted to a receiving portion of a housing, is tilted. The receiving portion for receiving a plug-side connector is formed in the housing. A plurality of first socket-side contacts including contact portions are arranged in the housing. Each contact portion protruding into the receiving portion can be brought into contact with a first plug-side contact of the plug-side connector. A plurality of second socket-side contacts including contact portions are arranged in the housing. Each contact portion protruding into the receiving portion can be brought into contact with a second plug-side contact of the plug-side connector. Protruding portions are formed in the housing, for suppressing displacement of the plug-side connector in the receiving portion.

Abstract: An electrical connector includes an insulating housing having sidewalls and end walls for defining a receiving groove, a number of contacts retained in the insulating housing, the contact including a mating beam extending into the receiving groove and a retaining beam retained in the sidewall. The contact further includes a tail portion extending out of the insulating housing from the retaining beam and a soldering portion formed on a tip end of the tail portion. The soldering portion is located between a highest point and a lowest point of the contact so that the height of the electrical connector upon a PCB can be reduced, which can also reduce the mating-height of the electrical connector after mating with a mating connector.

Abstract: A socket includes a socket housing of an insulator to which plural socket contacts to be soldered to a conductive pattern of a circuit substrate, and a fitting metal for fixture to the circuit substrate are attached, in which the fitting metal includes plate-like side plates that are exposed along end surfaces of the socket housing, anchors that are formed by folding the side plates to bite into the housing, and an attachment piece that protrudes from a bottom plate to outside of the socket housing to be fixed to the circuit substrate.

Abstract: To provide a connector that enhances the reliability of connection between the ground and a shield constituting a shell. A socket constitutes the connector together with a header which is mounted on a different printed wiring board. The socket includes a socket body which is provided with a connection recess, a plurality of socket contacts which are held by the socket body, and a pitch direction shield and a terminal direction shield constituting the shell which surround the connection recess and which prevents electromagnetic noise from coming in and out. The pitch direction shield and the terminal direction shield are provided with terminals soldered to conductive pattern of the ground.

Abstract: A component and process for making an electrical connection between a first component comprising a set of first pads and a set of hard conducting tips on one face, and a second component comprising a set of second pads and a set of ductile conducting bumps on the other face, in which the two faces are made to face each other and they are brought towards each other such that the tips can penetrate into these bumps, in which the space between two tips is less than the width of a bump and less than the width of a first pad. The process is applicable to such a component on which the set of conducting tips are installed.

Abstract: A socket for electrically connecting an IC package to a printed circuit board, comprises an insulative housing, a stiffener surrounding the housing and having a front wall defining a hole; and a load plate pivotably mounted to the front wall of the stiffener. The load plate has a pivotal portion with a hook, the hook has a latching finger engaging with the latching hole of the stiffener, a protruding finger and a gap defined between the latching finger and the protruding finger. The protruding finger resists the stiffener when the load plate deflects on a top-to-bottom direction relative to the stiffener. The protruding finger also can engage with the stiffener to guide the load plate to rotate in a correct direction.

Abstract: According to one embodiment, a stacking connector includes a first connector and a second connector plugged into the first connector. The first connector includes a first terminal expandable/compatible in a plug-in direction in which the second connector is plugged, and a mold main body surrounding the first terminal. The first terminal includes a first portion and a second portion including a first overlapping portion movable by slide with respect to the first portion, which partially overlaps with the first portion in the plug-in direction and is brought into direct contact with the second connector. The first portion and the second portion are electrically connected to each other by at least two sections.

Abstract: A encoder spacer for a spindle motor and an encoder assembly including the same are disclosed wherein the encoder spacer comprises: a body in monolithic structure made of insulation material; a first terminal electrically connected to a main PCB (Printed Circuit Board) of the spindle motor and protruded from a lateral surface of the body; a second terminal electrically connected to the first terminal via a conduction path through the body, electrically connected to an auxiliary PCB and protruded from an upper surface of the body; a substrate groove including an accommodation space for accommodating the encoder formed at an upper center of the body, wherein the auxiliary PCB slides in the accommodation space by being inserted into a both sides of the accommodation space; and a third terminal exposed at the substrate groove for electrically connecting the auxiliary PCB with the first terminal.

Abstract: An electrical card connector comprising an insulative housing 4 and a plurality of contacts 5 which received in the insulative housing, each contact 5 includes a retention portion 51, an elastic portion 52 which extends from one end of the retention portion 51, a contact portion 53 which connects with the elastic portion 52, a preload portion 54 which extends from the end of the contact portion 53 and a soldering portion 55, wherein the contact 5 further includes a connect portion 56 which extends from the soldering portion 55 and a block portion 57 which extends from the end of the connect portion 56.

Abstract: The invention relates to contact pins for providing an electrical connection between electronic devices. In one aspect the pin is adapted to be inserted into a hole of a circuit carrier and the pin comprises at least three portions; namely a contact termination portion, an electrical contact portion and a mechanical fastening portion. The mechanical fastening portion preferably allows a fastening of the contact pin without any soldering.

Abstract: A connector assembly includes a housing, a contact and a compressive coupling member. The housing has a mating interface and a mounting interface on opposing sides of the housing. The mounting interface is configured to engage a first substrate when the housing is mounted to the first substrate. The mating interface is configured to mate with a mating connector that is mounted to a second substrate. The housing is configured to engage and interconnect the substrates in a parallel arrangement. The contact extends between and protrudes from the interfaces of the housing and is configured to provide an electrical connection between the substrates. The compressive coupling member is configured to extend through the substrates and the housing in a direction transverse to the interfaces. The coupling member is configured to apply a compressive force to the housing to secure the housing with the mating connector to electrically and mechanically interconnect the substrates.

Abstract: A scalability card for use with a plurality of computer blades. The computer blades are releasably securable in a parallel configuration, wherein each blade includes a circuit board and a processor operatively coupled to the circuit board. Each processor is in electronic communication with a scalability connector on a floating plate that is loosely secured to the computer blade. Furthermore, each scalability connector is preferably disposed in a common plane extending perpendicular to the plurality of parallel computer blades. The scalability card includes a plurality of electronically interconnected scalability connectors arranged for rough alignment with the scalability connectors of each computer blade. In addition, the scalability card preferably includes at least one alignment feature for engaging each floating plate and, therefore, providing fine alignment of the scalability connector on each floating plate to one of the scalability connectors of the scalability card.

Abstract: A grounding mechanism (20) is electronically connected to a main circuit board (52), a subsidiary circuit board (53) and a key conductive member (55). The grounding mechanism includes an elastic member (30). The elastic member includes a mounting portion (31), a conductive portion (32) and a resisting portion (35). The mounting portion is electronically fixed to the main circuit board. The conductive portion extends from one side of the mounting portion for electronically connecting to the key conductive member. The resisting portion extends from another side of the mounting portion for resisting the subsidiary circuit board.

Abstract: An electrical connector (100) includes an insulative housing (1) comprising an engaging portion (12) which comprises a pair of side walls (121) and a pair of end walls (122), a plurality of signal terminals (2) arranged along the pair of the side walls (121) and at least one power terminals (3) located at each end wall (122). The end wall (122) defines at least one groove (120) extending along a mating direction at an outside thereof to receive and retain the at least one power terminal (3).

Abstract: A board-to board electrical connector assembly is provided for effecting a connection between two circuit boards. The assembly includes a first connector having a dielectric housing for mounting on a first circuit board. A plurality of first terminals are 5 mounted on the dielectric housing and each terminal includes a tail portion for connection to an appropriate circuit trace on the first circuit board and a convex contact portion defining a continuous arcuate contact surface. A second connector has a dielectric housing for mounting on a second circuit board. A plurality of second terminals are mounted on the dielectric housing of the second connector and each second terminal includes a tail portion 10 for connection to an appropriate circuit trace on the second circuit board, and a contact projection for sliding over the continuous arcuate contact surface of the convex contact portion of the first terminals upon mating of the connectors.