Abstract: An optical transceiver module housing includes a housing body and a heat sink. The housing body has an electronic component accommodating space and an opening communicated with the electronic component accommodating space. The heat sink is detachably assembled to the housing body, and includes a thermally conductive plate and at least one thermally conductive fin fixed on the thermally conductive plate. The thermally conductive plate is accommodated in the electronic component accommodating space. The at least one thermally conductive fin is exposed from the opening. An Optical transceiver module includes a circuit board assembly and the above optical transceiver module housing. The circuit board assembly has a board edge connector. The circuit board assembly is accommodated in the electronic component accommodating space and extends out of the electronic device accommodating space to expose the board edge connector. The thermally conductive plate is thermally coupled with the circuit board assembly.

Abstract: An optical transceiver module socket cage includes a cage body and a liquid cooling component fixedly disposed in the cage body. The cage body forms a module-receiving slot. The liquid cooling component is exposed in the module-receiving slot and has a flow channel structure for a working fluid to flow through. An optical transceiver module includes a module housing and an edge connector exposed on a side of the module housing. The module housing includes a main housing and two vertical plates. The main housing has a flat heat-conducting surface. The two vertical plates protrude from two opposite sides of the flat heat-conducting surface. A structure-less space is formed between the two vertical plates and the flat heat-conducting surface. An optical transceiver module set includes an optical transceiver module socket having the above optical transceiver module socket cage, and an optical transceiver module matching the optical transceiver module socket.

Abstract: An electrical connector cage includes a plurality of slots stacked with each other. Each of the slots includes an upper plate, a lower plate and a partition plate. The partition plate connects the upper plate and the lower plate. The lower plate has a plurality of through holes. The partition plate has a plurality of abutting portions. The abutting portions of the partition plate of one of the slots pass through the through holes of the lower plate and abut against the upper plate of another one of the slots, so as to maintain an identical height of a gap between any two adjacent slots.

Abstract: A loopback module includes a housing, a circuit board and a thermoelectric cooler. The circuit board is disposed in the housing. The circuit board includes a loopback circuit, a microcontroller, a temperature sensor and a thermoelectric cooler driver. The thermoelectric cooler is disposed in the housing. The thermoelectric cooler has a first side and a second side located at opposite sides, wherein the first side is in contact with the circuit board and the second side is in contact with the housing. One of the first side and the second side is a cold side and the other one of the first side and the second side is a hot side.

Abstract: A radio frequency coaxial connector includes an outer conductor, a central conductor, and a support bead. The outer conductor has a circular through hole extending along a axis. The central conductor is disposed in the circular through hole and extends along the axis. The central conductor has a recess. The support bead is disposed in the circular through hole and has an outer ring, an inner ring, and at least two radial walls. The at least two radial walls are connected to and between the outer ring and the inner ring. The inner ring is sleeved on the central conductor and fits into the recess. The outer ring, the inner ring, and the at least two radial walls form at least two sector-shaped through holes between the outer ring and the inner ring. The at least two sector-shaped through holes extend parallel to the axis.

Abstract: An electrical receptacle connector includes a case device and a heat dissipating device. The case device includes two case portions for cooperatively defining a receiving space between two accommodating spaces of the two case portions and two lateral windows at two sides of the receiving space. The heat dissipating device includes a first heat dissipating component. The first heat dissipating component is a one-piece structure and includes a first heat dissipating portion, a second heat dissipating portion and a third heat dissipating portion. The first heat dissipating portion is at least partially disposed inside the receiving space and passes through the two lateral windows. The second heat dissipating portion and the third heat dissipating portion are integrally connected to two ends of the first heat dissipating portion respectively. The two case portions are at least partially located between the second heat dissipating portion and the third heat dissipating portion.

Abstract: An electrical connector cage assembly includes a connector casing, a heat sink, and an attaching part. The heat sink includes a base and a plurality of fins extending from a top surface of the base. The fins extend above a marginal area of the top surface to form an open slot with the marginal area. The open slot has two end openings and a side opening extending to the end openings. The attaching part passes through the open slot and protrudes from the end openings to be detachably engaged with the connector casing to detachably fix the base onto the connector casing. Therein, the attaching part is separable from the heat sink from the side opening. An electrical connector includes a circuit board, an electrical connector base, and the electrical connector cage assembly. The electrical connector base is electrically connected onto the circuit board and exposed from the connector casing.

Abstract: An electrical connector includes an insulation housing, a plurality of rows of terminals, and a plurality of corresponding fixing parts. The plurality of rows of terminals are sequentially and fixedly arranged in parallel on the insulation housing. The plurality of fixing parts are assembled to the insulation housing for structurally constraining the corresponding rows of terminals. An electrical connector manufacturing method includes fixing a plurality of first terminals on an insulation housing in a row, assembling a first fixing part to the insulation housing to structurally constrain the row of first terminals, fixing a plurality of second terminals on the insulation housing in a row, assembling a second fixing part to the insulation housing to structurally constrain the row of second terminals, and so on, so as to obtain one like the above electrical connector. The electrical connector can provide data transmission in compliance with PCIe 4.0 standard.

Abstract: An electrical connector includes an insulation housing, a plurality of rows of terminals, and a plurality of corresponding fixing parts. The plurality of rows of terminals are sequentially and fixedly arranged in parallel on the insulation housing. The plurality of fixing parts are assembled to the insulation housing for structurally constraining the corresponding rows of terminals. An electrical connector manufacturing method includes fixing a plurality of first terminals on an insulation housing in a row, assembling a first fixing part to the insulation housing to structurally constrain the row of first terminals, fixing a plurality of second terminals on the insulation housing in a row, assembling a second fixing part to the insulation housing to structurally constrain the row of second terminals, and so on, so as to obtain one like the above electrical connector. The electrical connector can provide data transmission in compliance with PCIe 4.0 standard.

Abstract: An electrical connector cage assembly includes a connector casing, a heat sink, and an attaching part. The heat sink includes a base and a plurality of fins extending from a top surface of the base. The fins extend above a marginal area of the top surface to form an open slot with the marginal area. The open slot has two end openings and a side opening extending to the end openings. The attaching part passes through the open slot and protrudes from the end openings to be detachably engaged with the connector casing to detachably fix the base onto the connector casing. Therein, the attaching part is separable from the heat sink from the side opening. An electrical connector includes a circuit board, an electrical connector base, and the electrical connector cage assembly. The electrical connector base is electrically connected onto the circuit board and exposed from the connector casing.

Abstract: An electrical connector set includes a socket and two plugs. The socket includes a connector casing forming two adjacent insertion slots. The two insertion slots are arranged in an arrangement direction and extend parallel to an insertion direction. The connector casing includes a dividing wall, separating the two insertion slots. The dividing wall has an indentation at the insertion openings of the two insertion slots. The two plugs can be inserted into the two insertion slots in the insertion direction respectively. Each plug has two protrusions at two opposite sides thereof in the arrangement direction. The two protrusions are staggered in a vertical direction perpendicular to the arrangement direction and the insertion direction. When the two plugs are inserted into the two insertion slots, the two protrusions between the two plugs are located in the indentation and staggered in the vertical direction.

Abstract: An electrical connector cage assembly includes a connector casing, a heat-dissipating structure, and a light-guiding part. The heat-dissipating structure is disposed on an outer side wall of the connector casing and includes a base portion and a plurality of fins protruding from the base portion and extending parallel to each other and the base portion. One of the fins protrudes relative to the base portion longer than another one, so that an accommodating space is formed above the shorter fin and extends parallel to the fins. The light-guiding part is disposed above the heat-dissipating structure. A light-guiding rod body of the light-guiding part is accommodated in the accommodating space. An electrical connector uses the electrical connector cage assembly. An electronic apparatus includes the electrical connector and an apparatus casing. A light-output portion of the light-guiding part is disposed toward a light-permeable structure of a panel of the apparatus casing.

Abstract: An electrical connector cage assembly includes a connector casing, a heat-dissipating structure, and an elastic attaching part. The connector casing forms an insertion slot and has an outer side wall. The outer side wall has a window connected to the insertion slot. The heat-dissipating structure is disposed on the outer side wall and includes a heat pipe. The heat pipe is disposed outside the outer side wall and has a heat-absorbing section corresponding to the window. The heat-absorbing section extends parallel to the outer side wall and partially enters the insertion slot through the window. The elastic attaching part is engaged to the connector casing so that the heat-dissipating structure is elastically clamped by and between the elastic attaching part and the outer side wall. The heat-absorbing section can move relative to the window.

Abstract: An electrical connector includes an insulation housing and at least one terminal. The insulation housing has a fixing hole that has a first inner sidewall and a second inner sidewall opposite to the first inner sidewall. The terminal includes a contact portion, a fixed portion, and a connection portion. The contact portion and the connection portion extend from the fixed portion respectively and are exposed out of the insulation housing. The fixed portion has a first side surface and a second side surface opposite to the first side surface. The fixed portion has a through hole. The fixed portion is fixed in the fixing hole with the through hole located in the fixing hole. The first and second side surfaces face the first and second inner sidewalls and are kept apart from the first and second inner sidewalls respectively.

Abstract: An electrical connector includes a terminal module and a housing receiving the terminal module therein. The terminal module includes a first, a second, a third and a fourth terminal module, which include a first, a second, a third and a fourth terminal unit, respectively. The second and the third terminal unit are located at a distance behind the first and the fourth terminal unit. At least one of the first, the second, the third and the fourth terminal unit includes one ground terminal and two signal terminals arranged on at least one lateral side thereof from an outmost position to two inner positions. The housing includes an upper cover and a lower cover that are connected and closed to each other; the lower cover includes a hollow-out area, in which a connection end of each of the first, the second, the third and the fourth terminal unit is received.

Abstract: An electrical connector cage assembly includes a casing, a first heat sink, a second heat sink, and a heat sink attaching structure. The casing can accommodate at least one electrical connector. The heat sink attaching structure includes a connecting part, a first engagement part, a second engagement part, a first attaching part, and a second attaching part. The connecting part protrudes out of a top wall of the casing. The first and second engagement parts are disposed on two opposite side walls of the casing respectively. The first and second attaching parts are connected to the connecting part. The first and second attaching parts detachably clip to the first and second engagement parts for attaching the first and second heat sinks on the top wall respectively.

Abstract: A terminal module comprises a first terminal-module having a first base, first terminal-unit and first receiving recesses; a second terminal-module having a second base and second terminal-unit; a third terminal-module having a third base and third terminal-unit; and a fourth terminal-module having a fourth base, fourth terminal-unit and second receiving recesses. The first, second, third and fourth bases are coupled to the first, second, third and fourth terminal-units by injection molding, respectively. The fourth terminal-unit corresponds in position to the first terminal-unit. The second terminal-unit corresponds in position to the third terminal-unit and lies behind the first and fourth terminal-units. A ground terminal and two signal terminals are disposed at at least one side of the first, second, third and/or fourth terminal-units. The ground terminal is the outermost one. An electrical connector comprises a casing and the terminal module disposed therein.