Abstract: A circuit board and an electrical connector with the same are disclosed in the present invention. The circuit board includes a first line layer, a first insulating layer, a second line layer, an insulating substrate, a third line layer, a second insulating layer and a fourth line layer, which are stacked from top to bottom. A first metal line and a second metal line are formed on the first line layer and the second line layer, respectively, and together constitute a first differential line pair. A third metal line and a fourth metal line are formed on the third line layer and the fourth line layer, respectively, and together constitute a second differential line pair. Two metal lines constituting each differential line pair are arranged up and down and have different widths, thereby reducing signal crosstalk between adjacent differential line pairs.

Abstract: A high-speed connector assembly, a socket connector and a grounding plate are disclosed in the present invention. The grounding plate disposes multiple grounding arms and multiple shielding pieces, which are arranged in a serpentine pattern for surrounding front mating portions of each pair of differential signal socket terminals to be in a U-shaped state, thereby providing electromagnetic shielding. The grounding plate further disposes multiple spring fingers, which can be used to connect adjacent grounding plates for forming a common grounding path, and further reducing signal crosstalk of adjacent differential pairs. The grounding plate of the present invention can further contact with a corresponding shielding shell of a plug connector to form a complete grounding path, and ensure more stable and reliable signal transmission quality.

Abstract: A double-shielded high-speed docking connector is disclosed in this invention. The connector includes a shell, a positioning seat and a row of frame assemblies. The frame assembly includes an insulating body, two columns of signal terminals supported by the insulating body and arranged to be multiple differential pairs, a first shielding member mounted on one side of the insulating body, and a second shielding member mounted on the other side of the insulating body and connected with the first shielding member. The double-shielded high-speed docking connector of the present invention can not only reduce crosstalk between the signal terminals of adjacent differential pairs, but also effectively reduce signal interference of adjacent frame assemblies by disposing two shielding members on each frame assembly.

Abstract: A plug connector for easy locking and unlocking is disclosed, including a base, a signal transmission module, a lock head, a cover and a pull strip. The plug connector of the present invention employs a holding-down structure of the pull strip, which can drive an edge block of the lock head to go down and further force the lock head to go down by pulling the pull strip backward. When releasing the pull strip, the lock head can automatically go up. Therefore, in the present invention, the pull strip can control the lock head, thereby completing the locking and unlocking work. The locking and unlocking way of the present invention is safe, effective and convenient.

Abstract: A plug connector having unlocking function is disclosed in the present invention. The plug connector includes a base, a signal transmission module, a lock head, a cover and an unlocking device. The lock head has two symmetrical edge protrusions, each of which has an upward inclined surface. The unlocking device includes a sliding member being slidably mounted on the cover and being connected with the lock head, and a pull strip being connected with the sliding member. A connection mouth of the sliding member has two downward inclined surfaces. A free end of the lock head is embedded into the connection mouth, and the upward inclined surface is pressed against the corresponding downward inclined surface. When pulling the pull strip backward, the sliding member moves backward, and the downward inclined surface can push the edge protrusion to move downward and drive the lock head to go down for unlocking.

Abstract: A double-sided pluggable combination structure is disclosed in this invention, which includes a double-sided pluggable power plug and a double-sided pluggable power socket. When the power plug and the power socket are engaged with each other, an insertion part of the power socket can enter into a receiving cavity from a plug port of the power plug by an obverse insertion mode or a reverse insertion mode, and each plug terminal of the power plug can be inserted into an insertion hole from a corresponding socket port of the power socket. An engaged portion of the plug terminal can be clamped by elastic arms of a socket terminal, thereby forming a stable electric contact between the plug terminal and the socket terminal.

Abstract: A double-sided pluggable combination structure is disclosed in this invention, which includes a double-sided pluggable power plug and a double-sided pluggable power socket. When the power plug and the power socket are engaged with each other, an insertion part of the power socket can enter into a receiving cavity from a plug port of the power plug by an obverse insertion mode or a reverse insertion mode, and each plug terminal of the power plug can be inserted into an insertion hole from a corresponding socket port of the power socket. An engaged portion of the plug terminal can be clamped by elastic arms of a socket terminal, thereby forming a stable electric contact between the plug terminal and the socket terminal.

Abstract: A high speed connector assembly is disclosed in this invention, including a receptacle connector and a plug connector. Two first L-shaped contact pieces of each pair of differential signal receptacle terminals are configured to be splayed apart, and two second L-shaped contact pieces of each pair of differential signal plug terminals are configured to be splayed apart too. When the receptacle connector and the plug connector are engaged with each other, a second extending section of the differential signal plug terminal is pressed onto a first side edge of the differential signal receptacle terminal, and a first extending section of the differential signal receptacle terminal is pressed onto a second side edge of the differential signal plug terminal, thereby forming a stable electrical contact therebetween.

Abstract: A pluggable connector with anti-electromagnetic interference capability is disclosed in this invention, which includes a socket housing, multiple terminal assemblies and a shielding case. The socket housing includes an insulating base and an anti-EMI block. The insulating base and the anti-EMI block can be combined together to form an upper circuit board slot and a lower circuit board slot. These terminal assemblies are mounted in the socket housing and include multiple signal terminal assemblies and multiple ground terminal assemblies, which are arranged side by side in the order of ground-signal-signal. The shielding case has an upper port and a lower port, which are respectively aligned with the upper circuit board slot and the lower circuit board slot. The pluggable connector of the present invention has a good anti-electromagnetic interference capability by an anti-EMI block.

Abstract: A board to board connector assembly is disclosed in this invention, which includes a female connector and a male connector. Each female terminal has an elastic engaging section and a first protrusion located on the top of the elastic engaging section. Each male terminal has an elastic arm and a second protrusion located on the top of the elastic arm. When the female connector is matched with the male connector, the second protrusion passes the first protrusion, and a bottom surface of the second protrusion and a bottom surface of the first protrusion are engaged with each other and together form a holding state. The board to board connector assembly can ensure the reliable connection of the two connectors by the engagement of the female and male terminals.

Abstract: A high speed connector assembly is disclosed in this invention, which includes a receptacle connector and a plug connector. The receptacle connector at least includes an insulating cover and multiple terminal modules being arranged in parallel and retained in the insulating cover. Each differential signal terminal has an L-type base, a front mating portion and a bottom mounting portion. The front mating portion includes a finger-shaped spring and an L-type contact piece. When the receptacle connector and the plug connector are engaged, the finger-shaped spring and the L-type contact piece can respectively and electrically contact with two different surfaces of one plug terminal to form double contacts. The double contacts can suppress the short pile effect and reduce signal crosstalk and signal loss during transmitting the high speed signal.

Abstract: A high speed connector assembly is disclosed in this invention, which includes a receptacle connector and a plug connector. Each differential signal terminal of the receptacle connector has an L-type body, a front mating portion and a bottom mounting portion. The front mating portion includes two L-type arms having unequal length. A front end of each L-type arm disposes a resilient contact finger being perpendicular to a vertical plane. The resilient contact fingers of the two L-type arms can respectively and electrically contact with two opposite sides of one plug terminal of the plug connector, thereby forming double-sided contact. The present invention can suppress the short pile effect and reduce signal crosstalk and signal loss during transmitting the high speed signal by this double contact.

Abstract: A pluggable connector with anti-electromagnetic interference capability is disclosed in this invention, which includes a socket housing, multiple terminal assemblies and a shielding case. The socket housing includes an insulating base, a first anti-EMI block independently mounted on the insulating base and a second anti-EMI block independently mounted on the insulating base. The first anti-EMI block and an upper bracket can be combined together to form an upper circuit board slot, and the second anti-EMI block and a lower bracket can be combined together to form a lower circuit board slot. The pluggable connector of the present invention has a good anti-electromagnetic interference capability by the first and second anti-EMI blocks.

Abstract: A high speed socket connector is disclosed in this invention, including a case, a terminal mold, an upper shield and a lower shield. The terminal mold includes an insulative body, a row of upper terminals and a row of lower terminals. The insulative body forms multiple first openings and second openings. The upper terminals and the lower terminals both include multiple differential pairs of signal terminals and multiple grounding terminals. Each signal terminal has a serpentine retaining section exposed in the corresponding first opening. Each grounding terminal has a straight retaining section exposed in the corresponding second opening. The upper shield and the lower shield are respectively mounted on the top and the bottom of the terminal mold. The high speed socket connector can realize a good shielding effect by the connection of the upper and lower shields and the grounding terminals.