JP3219290U - Electrical connector and circuit board - Google Patents

Abstract

An electrical connector and circuit board for solving crosstalk interference are provided. SOLUTION: Two first contact contacts 21 provided adjacent to each other, two second contact contacts 22 respectively positioned on both outer sides opposite to the first contact contact, and the first contact contact 21 And a plurality of conductive wirings connecting the second contact contacts 22 and a first layered capacitor 51 and a second layered capacitor 52 embedded in the circuit board. The first layered capacitor 51 includes two first comb-shaped matching portions 511 provided in a staggered pattern with a coplanar space. The second layered capacitor 52 includes two second comb-shaped matching portions 521 provided in a staggered pattern with a coplanar space. The first comb-shaped matching portion 511 is electrically coupled to one first contact contact 21 and one second contact contact 22 that are separated from each other. The second comb-shaped matching portion 521 is electrically coupled to the other first contact contact 21 and the other second contact contact 22 that are separated from each other. [Selection] Figure 10

Description

  The present invention relates to a connector, and more particularly to an electrical connector and its circuit board.

  When conventional electrical connectors are used to transmit differential signals, crosstalk interference still occurs, so it is important to eliminate crosstalk interference as much as possible on the assumption that the electrical connector can be kept small. It has become one of the challenges. That is, the means for solving the crosstalk interference must be implemented in a very limited space so as to meet the rapidly developing design needs.

  Then, the inventor considered that the above-mentioned defects could be improved, and intensively studied and applied scientific principles, and came to submit the present invention in which the design was rational and the above-mentioned defects were effectively improved.

  An embodiment of the present invention is to provide an electrical connector and its circuit board that can effectively improve the disadvantages that may occur in the circuit board of the conventional electrical connector.

Examples of the present invention are:
An insulating housing for the mating connector to be inserted;
A circuit board located within the insulating housing,
Including two first contact contacts for transmitting a first differential signal and two second contact contacts for transmitting a second differential signal located on one side of the circuit board; A plurality of the first contact contacts provided adjacent to each other, wherein the two second contact contacts are respectively located on both opposite sides of the two first contact contacts;
A plurality of fixed contacts located on the other side of the circuit board;
A plurality of conductive wires each having one end connected to each of the plurality of contact contacts and the other end connected to each of the plurality of fixed contacts;
Including two first comb-like mating portions that are embedded in the circuit board and provided in a staggered pattern on a coplanar surface, and the two first comb-like mating portions are separated from each other. A first layered capacitor electrically coupled to each of the first contact contact and one of the second contact contacts;
Including two second comb-like mating portions that are embedded in the circuit board and provided in a staggered pattern in a coplanar manner with two other second comb-like mating portions separated from each other A second layered capacitor electrically coupled to each of the first contact contact and the other second contact contact;
Including a circuit board;
A plurality of contact terminals located in the insulating housing and connected to the plurality of contact contacts, respectively, for contacting the mating connector;
A plurality of fixed terminals fixed to the insulating housing, respectively connected to the plurality of fixed contacts, and electrically connected to the plurality of contact terminals by the circuit board;
An electrical connector comprising:

The embodiment of the present invention is a circuit board of an electrical connector, and the board surface is not provided with any capacitor,
The circuit board
Including two first contact contacts for transmitting a first differential signal and two second contact contacts for transmitting a second differential signal, located on one side of the circuit board, A plurality of contact contacts, wherein the first contact contacts are provided adjacent to each other, and the two second contact contacts are respectively located on both opposite sides of the two first contact contacts;
A plurality of fixed contacts located on the other side of the circuit board;
A plurality of conductive wires each having one end connected to each of the plurality of contact contacts and the other end connected to each of the plurality of fixed contacts;
Embedded in the circuit board, and provided in a staggered pattern with a coplanar spacing, including two first comb-shaped mating portions, wherein the two first comb-shaped mating portions are separated from each other. A first layered capacitor electrically coupled to each of the first contact contact and one of the second contact contacts;
Embedded in the circuit board, and provided in a staggered pattern with a coplanar spacing, including two second comb-tooth-matching portions, and the two second comb-tooth-matching portions separated from each other A second layered capacitor electrically coupled to each of the first contact contact and the other second contact contact;
An electrical connector circuit board comprising:

  Generally speaking, the electrical connector disclosed in the embodiment of the present invention includes a first layered capacitor and a second layered capacitor by embedding the first layered capacitor and the second layered capacitor in the circuit board. This contributes to the generation of a relatively large capacitor value, and further effectively reduces the effects of crosstalk interference on the assumption that the size of the electrical connector (or its circuit board) is not increased. Among them, in the embodiment of the present invention, each of the first layered capacitor and the second layered capacitor is limited to two comb-shaped joint portions provided in a staggered manner, thereby improving the characteristics of the circuit board. Stabilized and reduced production difficulty.

  For a better understanding of the features and technical contents of the present invention, reference will now be made to the detailed description of the present invention and the accompanying drawings, which are intended to illustrate the present invention only. It does not limit the protection scope of the device.

1 is a schematic perspective view of an electrical connector according to the present invention. It is a cross-sectional schematic diagram which shows the cross section which follows the cutting line II-II of FIG. It is a decomposition | disassembly schematic diagram of FIG. It is a perspective schematic diagram of the circuit board, contact terminal, and fixed terminal of the electrical connector according to the present invention. It is the isometric view schematic diagram seen from a different viewing angle in FIG. 1 is a schematic perspective view of a circuit board of an electrical connector according to the present invention. It is a cross-sectional schematic diagram which shows the cross section which follows the cutting line VII-VII of FIG. FIG. 7 is an exploded schematic view of FIG. 6 (abbreviating an insulating plate body, a contact contact, and a fixed contact). It is a front schematic diagram of FIG. It is a plane schematic diagram which abbreviate | omits a part of insulating board body and the conductive wiring on it in FIG. It is a rear surface schematic diagram of FIG. It is a plane schematic diagram which abbreviate | omits the one part insulating board body in FIG. 11, and the electrically conductive wiring on it.

  Reference is made to FIGS. 1 to 12 show an embodiment of the present invention. As described above, the related numbers and outlines referred to in the accompanying drawings corresponding to the embodiments are described in order to explain the embodiments of the present invention in order to understand the contents of the present invention. However, the scope of protection of the present invention is not limited.

  Although the present embodiment disclosed an electrical connector, particularly a communication connector (for example, an RJ45 connector) as shown in FIGS. 1 to 3, the present invention is not limited thereto. The electrical connector includes an insulating housing 200, a circuit board 100 positioned in the insulating housing 200, a plurality of contact terminals 300 positioned in the insulating housing 200, and a plurality of terminals fixed to the insulating housing 200. The fixed terminal 400 and a metal shield case 500 covering the insulating housing 200 are included.

  As described above, the circuit board 100 according to the present embodiment will be described in combination with the related elements, and the electric connector may be connected to any surface of the circuit board 100 with any passive electric element (for example, a capacitor). However, the present invention is not limited to this. For example, the circuit board 100 may be sold alone or in combination with other elements. Hereinafter, each element structure and connection relationship of the electrical connector according to the present embodiment will be described.

  As shown in FIG. 2, a separator 201 is included in the insulating housing 200, and the inside of the insulating housing 200 is divided into a front chamber 202 and a rear chamber 203 by the separator 201. Among them, the upper portion of the front chamber 202 can communicate with the upper portion of the rear chamber 203 (that is, the upper portion of the front chamber 202 and the upper portion of the rear chamber 203 are not completely separated by the separator 201). The front chamber 202 is formed with an insertion port for inserting a mating connector (not shown) into the front chamber 202 at a location away from the rear chamber 203.

  In the present embodiment, the circuit board 100 is provided in the rear chamber 203 of the insulating housing 200 as shown in FIG. 2, and its plate surface is substantially parallel to the separator 201. In addition, in order to understand the structure of the circuit board 100 of a present Example for convenience, it demonstrates, without installing any soldering resist layer in the board surface of the said circuit board 100, but this invention is not restrict | limited to this. That is, in an embodiment not drawn in the present invention, a solder resist layer is further covered for each plate surface of the circuit board 100. In the present embodiment, with reference to FIGS. 4 to 6, the circuit board 100 is defined with a length direction L, a width direction W, and a thickness direction T that are orthogonal to each other. Will be described later.

  Among them, the circuit board 100 includes a plurality of insulating plate bodies 1 and a plurality of circuit boards 100 located on one side of the circuit board 100 (for example, the upper side of the circuit board 100 in FIG. 6), as shown in FIGS. The contact contact 2, the plurality of fixed contacts 3 located on the other side of the circuit board 100 (for example, the lower side of the circuit board 100 in FIG. 6), and the plurality of contact contacts 2 and the plurality of fixed contacts 3 are connected. A plurality of conductive wirings 4, a plurality of layered capacitors 5 embedded in the circuit board 100, and a matching sheet 6 embedded in the circuit board 100.

  More specifically, in this embodiment, the insulating plate 1 is configured as a multilayer so that the plurality of conductive wirings 4 can be positioned on a different plane from the plurality of layered capacitors 5. In the present embodiment, the plurality of conductive wirings 4 are located in the outer layer of the insulating plate 1 and the plurality of layered capacitors 5 are located in the inner layer of the insulating plate 1, but the present invention is not limited thereto. The insulating plate 1 has a first surface 11 and a second surface 12 on opposite sides.

  In this embodiment, as shown in FIGS. 6 and 7, the plurality of contact contacts 2 are arranged in a line at equal intervals in the width direction W, and the one contact terminal 300 is inserted in each contact contact 2. As shown in the figure, the circuit board 100 is penetrated in the tube shape (in the thickness direction T) (for example, each contact contact 2 is provided in the insulating plate body 1 in the thickness direction T, and both ends thereof are insulated. The first surface 11 and the second surface 12 of the plate 1 are respectively located on the first surface 11 and the second surface 12. However, the present invention is not limited to this. For example, in other embodiments not depicted in the present invention, the connection relationship between the contact contact 2 and the corresponding contact terminal 300 may be detachably contacted with each other, or may be surface mounted technology ( surface mounting technology (SMT).

  More specifically, in the present embodiment, the plurality of contact contacts 2 may be divided into four pairs of contact contacts 2 based on the signal transmission difference, that is, the four pairs of contact contacts 2 , To transmit different differential signals. Among them, the plurality of (or four pairs) of contact contacts 2 include two first contact contacts 21 for transmitting the first difference signal and the second difference signal, as shown in FIG. , Two second contact contacts 22 for transmitting the third differential signal, two third contact contacts 23 for transmitting the third differential signal, and two fourth contact contacts for transmitting the fourth differential signal Contact contact 24.

  The two first contact contacts 21 are provided adjacent to each other and are located in the center of the plurality of contact contacts 2, and the two second contact contacts 22 are the two first contact contacts. The two third contact contacts 23 are respectively located on both opposite outer sides of the contact 21 (for example, in FIG. 9, the left and right sides of the two first contact contacts 21). Located on one outer side of the contact contact 22 (for example, on the right side of the two second contact contacts 22 in FIG. 9), the two fourth contact contacts 24 correspond to the two second contact contacts 22. It is located on the other outer side (for example, the left side of the two second contact contacts 22 in FIG. 9).

  In the present embodiment, the plurality of fixed contacts 3 are arranged in two rows each parallel to the width direction W, as shown in FIG. Each fixed contact 3 penetrates the circuit board 100 in a tube shape (in the thickness direction T) so that the one fixed terminal 400 is inserted (for example, each fixed contact 3 has a thickness direction T). Are provided in the insulating plate 1 and both ends thereof are located on the first surface 11 and the second surface 12 of the insulating plate 1), respectively, but the present invention is not limited to this. For example, in another embodiment not drawn in the present invention, the connection relationship between the fixed contact 3 and the corresponding fixed terminal 400 may be in contact with each other in a separable manner, or by surface mounting technology. It may be welded.

  More specifically, in the present embodiment, the plurality of fixed contacts 3 may be divided into four pairs of fixed contacts 3 based on the difference in signal transmission. That is, the four pairs of fixed contacts 3 are In the present embodiment, each pair of fixed contacts 3 is composed of two fixed terminals 400 in different columns. Among them, the plurality of (or four pairs) of fixed contacts 3 include two first fixed contacts 31 for transmitting the first differential signal and two for transmitting the second differential signal. It includes a second fixed contact 32, two third fixed contacts 33 for transmitting a third differential signal, and two fourth fixed contacts 34 for transmitting a fourth differential signal.

  More specifically, the two first fixed contacts 31 are provided adjacent to each other and face the two first contact contacts 21 in the length direction L, respectively. 32 is roughly opposed to the two second contact contacts 22 in the length direction L, respectively, and the two third fixed contacts 33 are roughly in contact with the two third contact contacts 23 in the length direction L, respectively. The two fourth fixed contacts 34 face each other and generally face the two fourth contact contacts 24 in the length direction L. However, in the present embodiment, the plurality of fixed contacts 3 are generally opposed to the plurality of contact contacts 2 in the length direction L, but between the plurality of fixed contacts 3 and the plurality of contact contacts 2 in the present invention. However, the positional correspondence relationship is not limited to this.

  As shown in FIGS. 4 and 5, one end of each of the plurality of conductive wirings 4 (for example, the tip of each conductive wiring 4 in FIGS. 4 and 5) is connected to the plurality of contact contacts 2, and the other end. (For example, the end of each conductive wiring 4 in FIGS. 4 and 5) is connected to the plurality of fixed contacts 3. Among them, in the present embodiment, the plurality of conductive wirings 4 include two pieces for coupling the two first contact contacts 21 to the two first fixed contacts 31, respectively, as shown in FIGS. The first conductive wiring 41, the two second conductive wirings 42 that couple the two second contact contacts 22 to the two second fixed contacts 32, and the two third contact contacts 23, respectively. Two third conductive lines 43 respectively coupled to the two third fixed contacts 33, and two fourth conductive lines coupling the two fourth contact contacts 24 to the two fourth fixed contacts 34, respectively. Wiring 44.

  More specifically, in the present embodiment, as shown in FIGS. 9 and 11, the two first conductive wirings 41, the two third conductive wirings 43, and the two fourth conductive wirings 44 are The two second conductive wirings 42 are formed on the second surface 12 of the insulating plate 1 in the circuit board 100, and are formed on the first surface 11 of the insulating plate 1 in the circuit board 100. The present invention is not limited to this.

  In the present embodiment, the plurality of layered capacitors 5 have structures similar to each other as shown in FIGS. 8 and 9. For example, the layered capacitors 5 are provided in a staggered manner with a coplanar spacing. Since the layered capacitor 5 according to the present embodiment includes two comb-shaped matching portions, it excludes any layered capacitor that does not include the two comb-shaped matching portions, and excludes a capacitor element that can be applied independently. It is preferable. In other embodiments not depicted in the present invention, the plurality of layered capacitors 5 may have a configuration that is not similar.

  In the present embodiment, all of the plurality of layered capacitors 5 are embedded in the insulating plate 1 and any one of the comb-like matching portions (for example, the following first comb-like matching portion 511). The length corresponding to the length direction L is between any one of the contact contacts 2 and the corresponding fixed contact 3 (for example, the first contact contact 21 and the corresponding first fixed contact 31). It is 50% to 85% of the distance.

  More specifically, referring to FIG. 9 and FIG. 10 or referring to FIG. 11 and FIG. 12, the plurality of layered capacitors 5 are roughly composed of the first layered capacitor 51, the second layered capacitor 52, and the above-described first layered capacitor. 3 includes a third layered capacitor 53 located on the same plane as the first layered capacitor 51 and a fourth layered capacitor 54 located roughly on the same plane as the second layered capacitor 52. The first layered capacitor 51 and the second layered capacitor 52 are located on two different planes. Among them, the first layered capacitor 51 and the third layered capacitor 53 are located adjacent to the first surface 11 of the insulating plate 1, and the second layered capacitor 52 and the fourth layered capacitor 54. Is located adjacent to the second surface 12 of the insulating plate 1. Next, a connection relationship between the plurality of layered capacitors 5 and other elements on the circuit board 100 will be described below.

  Referring to FIGS. 9 and 10, the first layered capacitor 51 includes two first comb-like matching portions 511 provided in a zigzag pattern with a coplanar space therebetween, and also has a second layered shape. Capacitor 52 includes two second comb-shaped matching portions 521 that are provided in a staggered pattern on a coplanar surface. Among them, the two first comb-shaped matching portions 511 include one of the first contact contacts 21 and one of the second contact contacts 22 (for example, a plurality of contact contacts 2 in FIG. 10) that are separated from each other. The third and fifth from the left), and the two second comb-like mating portions 521 are separated from the other first contact contact 21 and the other second contact. Electrically coupled to the contacts 22 (for example, the fourth and sixth from the left in the plurality of contact contacts 2 in FIG. 10).

  To explain further, each of the two first comb-shaped mating portions 511 includes a first comb-shaped step 5111 and a first extending step 5112 connected to the first comb-shaped step 5111. The two first comb-like steps 5111 are provided in a staggered manner at intervals, and the two first extending steps 5112 are the corresponding second contact contacts corresponding to the corresponding first contact contacts 21. 22 respectively. In other words, the two first comb-shaped matching portions 511 of the present embodiment are mechanically connected to the corresponding first contact contact 21 and second contact contact 22, thereby establishing electrical coupling between each other. Achieve, but the invention is not limited to this.

  Note that each of the two second comb-like alignment portions 521 includes a second comb-like step 5211 and a second extending step 5212 connected to the second comb-like step 5211. The second comb-like steps 5211 are provided in a staggered manner with a space therebetween, and the two second extending steps 5212 are connected to the corresponding first contact contacts 21 and the corresponding second contact contacts 22. Each is connected. That is, the two second comb-shaped matching portions 521 according to the present embodiment are mechanically connected to the corresponding first contact contact 21 and second contact contact 22, thereby electrically connecting each other. Achieve, but the invention is not limited to this.

  When viewed from the other angle, when the first layered capacitor 51 and the second layered capacitor 52 are orthogonally projected (in the thickness direction T) onto the surface of the circuit board 100 (for example, as shown in FIG. 10), The projection region formed by the two first comb-like steps 5111 is separated from the projection region formed by the two second comb-like steps 5211.

  With reference to FIG. 9 and FIG. 10 or with reference to FIG. 11 and FIG. 12, the third layered capacitor 53 includes two third comb-like joint portions provided in a staggered pattern on a coplanar surface. In addition, the fourth layered capacitor 54 includes two fourth comb-shaped mating portions 541 provided in a staggered manner with a coplanar space therebetween. Among them, the two third comb-shaped matching portions 531 include one of the third contact contacts 23 and one of the second contact contacts 22 (for example, the figure) separated from the two fourth contact contacts 24. 10 and 8 from the left in the plurality of contact contacts 2 in FIG. 10, and the two fourth comb-shaped mating portions 541 are separated from the two third contact contacts 23. The fourth contact contact 24 and the other second contact contact 22 (for example, the first and third from the left in the plurality of contact contacts 2 in FIG. 10) are respectively electrically coupled.

  To explain further, each of the two third comb-like mating portions 531 includes a third comb-like step 5311 and a third extending step 5312 connected to the third comb-like step 5311. The two third comb-shaped steps 5311 are provided in a staggered manner at intervals, and the two third extending steps 5312 are the second contacts corresponding to the corresponding third contact contacts 23. Each is connected to a contact 22. That is, the two third comb-shaped matching portions 531 of the present embodiment are mechanically connected to the corresponding third contact contact 23 and the second contact contact 22, thereby electrically connecting each other. Achieve, but the invention is not limited to this.

  Each of the two fourth comb-shaped mating portions 541 includes a fourth comb-shaped step 5411 and a fourth extending step 5412 connected to the fourth comb-shaped step 5411. The fourth comb-like steps 5411 are provided in a staggered manner with a space therebetween, and the two fourth extending steps 5412 have the second contact contacts 22 corresponding to the corresponding fourth contact contacts 24. Connected to each. That is, the two fourth comb-shaped mating portions 541 of the present embodiment are mechanically connected to the corresponding fourth contact contact 24 and second contact contact 22, thereby electrically connecting each other. Achieve, but the invention is not limited to this.

  When viewed from the other angle, when the first layered capacitor 51 and the fourth layered capacitor 54 are orthographically projected on the surface of the circuit board 100 (for example, shown in FIG. 10), the first layered capacitor 51 is formed. The projection area formed by the process covers a part of the projection area formed by the fourth layered capacitor 54. When the second layered capacitor 52 and the third layered capacitor 53 are orthographically projected onto the plate surface of the circuit board 100 (for example, shown in FIG. 10), the projection region formed by the second layered capacitor 52 is A part of the projection area formed by the third layered capacitor 53 is covered.

  Based on this, the thickness of the first layered capacitor 51 and the third layered capacitor 53 provided in the above-mentioned coplanar is between the second layered capacitor 52 and the fourth layered capacitor 54 provided in the coplanarity. This can produce a constant capacitor effect in the direction T, thereby achieving the effect of further reducing the loss-talk interference in the electrical connector.

  Further, when the first layered capacitor 51 and the third layered capacitor 53 are orthographically projected on the first surface 11 of the insulating plate 1 (for example, shown in FIG. 9), the first layered capacitor 51 A plurality of projection regions formed by the two first comb-like steps 5111 and the two third comb-like steps 5311 of the third layered capacitor 53 are opposite to the two first conductive wirings 41. Are located on both outer sides (for example, the left and right sides of the two first conductive wirings 41 in FIG. 9), and between the two third conductive wirings 43 and the two fourth conductive wirings 44, respectively. Come to be located.

  As shown in FIGS. 11 and 12, the matching sheet 6 of the circuit board 100 is embedded in the insulating plate 1 and coplanar with the second layered capacitor 52 (and the fourth layered capacitor 54). It is in. Among them, in this embodiment, the matching sheet 6 is configured as a U shape, and the two second comb-shaped steps 5211 are completely located within the configuration of the U shape (or inside the matching sheet 6). In addition, the matching sheet 6 is not contacted.

  Note that the inner edge of the matching sheet 6 accommodates the two fixed contacts 3 in the plurality of fixed contacts 3 (for example, the third and fifth from the left in the plurality of fixed contacts 3 in FIG. 12). Two notches 61 are formed and face the first contact contact 21 and the second contact contact 22 connected to the second layered capacitor 52, respectively.

  When viewed from the other angle, when the matching sheet 6 and the plurality of conductive wirings 4 are projected onto the plate surface of the circuit board 100 (for example, shown in FIG. 11), the projection area formed by the matching sheet 6 is At least 80% of the projection area formed by the two conductive wirings 4 (that is, the two first conductive wirings 41) connected to the two first contact contacts 21 is covered.

  Based on this, the circuit board 100 can adjust the capacitor values of the plurality of layered capacitors 5 by the matching sheet 6, and in particular, controls the capacitor values generated by the second layered capacitor 52 relatively accurately. By doing so, the effect of effectively reducing the crosstalk interference in the electrical connector is achieved.

  As shown in FIGS. 4 and 5, the contact terminals 300 are connected to the contact contacts 2 of the circuit board 100, respectively, and are mating connectors (not shown) inserted into the front chamber 202 of the electrical connector. 2). Among them, in the present embodiment, each of the contact terminals 300 is located in the front chamber 202, and one end of each of the plurality of contact terminals 300 is inserted from the front side of the circuit board 100. The other end of the contact terminal 300 forms a bent elastic part in the front chamber 202 and contacts the mating connector (not shown). Positioned.

  The plurality of fixed terminals 400 are respectively connected to the plurality of fixed contacts 3 of the circuit board 100 and fixed to an external circuit board (not shown), as shown in FIGS. 4 and 5. . Among them, in the present embodiment, each of the fixed terminals 400 is roughly located in the rear chamber 203 and outside the insulating housing 200, and the plurality of fixed terminals 400 are connected to the plurality of contact terminals 300 by the circuit board 100. One end of each end is inserted from the rear side of the circuit board 100 so as to be electrically connected and fixed to the plurality of fixed contacts 3. The plurality of fixed terminals 400 are for fixing other ends to an external circuit board (not shown).

[Technical effects of the embodiment of the present invention]
Generally speaking, the electrical connector disclosed according to the embodiment of the present invention has the first layered capacitor 51 and the second layered capacitor 51 embedded in the circuit board 100 by embedding the first layered capacitor 51 and the second layered capacitor 52. The layered capacitor 52 contributes to the generation of a relatively large capacitor value, and further, the effect of crosstalk interference is effectively reduced under the assumption that the size of the electrical connector (or its circuit board 100) is not increased. Among them, in the embodiment of the present invention, both the first layered capacitor 51 and the second layered capacitor 52 are limited to the two comb-shaped matching portions 511 and 521 provided in a staggered manner. The characteristic of the circuit board 100 was stabilized and the difficulty of production was reduced.

  The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Equivalent modifications and changes made based on the claims of the present invention are as follows: All belong to the protection scope of the claims of the present invention.

100 circuit board 1 insulating plate body 11 first surface 12 second surface 2 contact contact 21 first contact contact 22 second contact contact 23 third contact contact 24 fourth contact contact 3 fixed contact 31 first Fixed contact 32 Second fixed contact 33 Third fixed contact 34 Fourth fixed contact 4 Conductive wiring 41 First conductive wiring 42 Second conductive wiring 43 Third conductive wiring 44 Fourth conductive wiring 5 Layered Capacitor 51 1st layered capacitor 511 1st comb-shaped matching part 5111 1st comb-shaped step 5112 1st extension stage 52 2nd layered capacitor 521 2nd comb-shaped matching part 5211 2nd Comb-like step 5212 Second extension step 53 Third layered capacitor 531 Third comb-like matching portion 5311 Third comb-like step 5312 Third extension Stage 54 Fourth layered capacitor 541 Fourth comb-like mating portion 5411 Fourth comb-like stage 5412 Fourth extending stage 6 Matching sheet 61 Notch 200 Insulating housing 201 Separator 202 Front chamber 203 Rear chamber 300 Contact terminal 400 Fixed terminal 500 Metal shield case L Length direction W Width direction T Thickness direction

Claims (10)

An electrical connector comprising an insulating housing and a circuit board,
A mating connector is inserted into the insulating housing,
The circuit board is positioned within the insulating housing;
Including two first contact contacts for transmitting a first differential signal and two second contact contacts for transmitting a second differential signal located on one side of the circuit board; A plurality of the first contact contacts provided adjacent to each other, the two second contact contacts being respectively located on both opposite sides of the two first contact contacts;
A plurality of fixed contacts located on the other side of the circuit board;
A plurality of conductive wires each having one end connected to each of the plurality of contact contacts and the other end connected to each of the plurality of fixed contacts;
Including two first comb-like mating portions that are embedded in the circuit board and provided in a staggered pattern with a coplanar spacing, and the two first comb-like mating portions are separated from each other. A first layered capacitor electrically coupled to each of the first contact contact and one of the second contact contacts;
Including two second comb-shaped mating portions that are embedded in the circuit board and provided in a staggered pattern with a coplanar spacing, and the two second comb-shaped mating portions are separated from each other. A second layered capacitor electrically coupled to each of the first contact contact and the other second contact contact;
Including
A plurality of contact terminals located in the insulating housing and connected to the plurality of contact contacts, respectively, for contacting the mating connector;
A plurality of fixed terminals fixed to the insulating housing, respectively connected to the plurality of fixed contacts, and electrically connected to the plurality of contact terminals by the circuit board;
An electrical connector comprising:   The circuit board includes an insulating plate, and the first layered capacitor and the second layered capacitor are embedded in the insulating plate and located on two different planes. Electrical connector as described in Each of the two first comb-shaped fitting portions includes a first comb-shaped step and a first extending step connected to the first comb-shaped step, and the two first comb-shaped steps The steps are provided in a staggered manner at intervals, and the two first extending steps are respectively connected to the corresponding first contact contacts and the corresponding second contact contacts,
Each of the two second comb-shaped mating portions includes a second comb-shaped step and a second extending step connected to the second comb-shaped step, and the two second comb teeth The step is provided in a staggered manner at intervals, and the two second extending steps are respectively connected to the corresponding first contact contact and the corresponding second contact contact. The electrical connector according to claim 1. When the first layered capacitor and the second layered capacitor are orthographically projected onto the plate surface of the circuit board, the projection area formed by the two first comb-shaped steps is the two second second capacitors. Spaced apart from the projection area formed by the comb-like step;
The circuit board includes a matching sheet that is co-planar with the second layered capacitor, and the two second comb-shaped steps are located completely inside the matching sheet and contact the matching sheet. Not
Two notches are formed in the inner edge of the matching sheet, and the two fixed contacts in the plurality of fixed contacts are the first contact contact and the second contact connected to the second layered capacitor. The electrical connector according to claim 3, wherein the electrical connector faces each contact and is located in each of the two notches of the matching sheet. The plurality of contact contacts include two third contact contacts for transmitting a third differential signal and two fourth contact contacts for transmitting a fourth differential signal. The second contact contacts are located outside one of the two second contact contacts, the two fourth contact contacts are located outside the other of the two second contact contacts,
The circuit board is
Embedded in the circuit board, provided in a zigzag pattern at a coplanar interval, and including two third comb-shaped matching portions, and the two third comb-shaped matching portions include the two first comb-shaped matching portions. A third layered capacitor electrically coupled to one of the third contact contacts and one of the second contact contacts away from the four contact contacts;
Embedded in the circuit board, provided in a zigzag pattern at a coplanar interval, and including two fourth comb-shaped matching portions, and the two fourth comb-shaped matching portions include the two second comb-shaped matching portions. A fourth layered capacitor electrically coupled to one of the fourth contact contact and the other second contact contact away from the third contact contact;
The electrical connector according to claim 1, comprising: The circuit board includes an insulating plate body, and the first layered capacitor and the second layered capacitor are embedded in the insulating plate body and located on two different planes,
The first layered capacitor and the third layered capacitor are located on the same plane, the second layered capacitor and the fourth layered capacitor are located on the same plane,
When the first layered capacitor and the fourth layered capacitor are orthographically projected onto the surface of the circuit board, a projection region formed by the first layered capacitor is formed by the fourth layered capacitor. Covering part of the projection area,
When the second layered capacitor and the third layered capacitor are orthographically projected on the surface of the circuit board, a projection region formed by the second layered capacitor is formed by the third layered capacitor. The electrical connector according to claim 5, wherein the electrical connector covers a part of the projection area.   The electrical connector according to claim 1, wherein any electrical element is not provided on any plate surface of the circuit board. It is a circuit board for electrical connectors, and no capacitor is provided on the board surface.
The circuit board is
Including two first contact contacts for transmitting a first differential signal and two second contact contacts for transmitting a second differential signal located on one side of the circuit board; A plurality of the first contact contacts provided adjacent to each other, the two second contact contacts being respectively located on both opposite sides of the two first contact contacts;
A plurality of fixed contacts located on the other side of the circuit board;
A plurality of conductive wires each having one end connected to each of the plurality of contact contacts and the other end connected to each of the plurality of fixed contacts;
Including two first comb-like mating portions that are embedded in the circuit board and provided in a staggered pattern with a coplanar spacing, and the two first comb-like mating portions are separated from each other. A first layered capacitor electrically coupled to each of the first contact contact and one of the second contact contacts;
Including two second comb-shaped mating portions that are embedded in the circuit board and provided in a staggered pattern with a coplanar spacing, and the two second comb-shaped mating portions are separated from each other. A second layered capacitor electrically coupled to one of the first contact contacts and the other second contact contact;
A circuit board for an electrical connector, comprising: Each of the two first comb-shaped fitting portions includes a first comb-shaped step and a first extending step connected to the first comb-shaped step, and the two first comb-shaped steps The steps are provided in a staggered manner at intervals, and the two first extending steps are respectively connected to the corresponding first contact contacts and the corresponding second contact contacts,
Each of the two second comb-shaped mating portions includes a second comb-shaped step and a second extending step connected to the second comb-shaped step, and the two second comb teeth The step is provided in a staggered manner at intervals, and the two second extending steps are respectively connected to the corresponding first contact contact and the corresponding second contact contact. The circuit board of the electrical connector according to claim 8. The circuit board includes a matching sheet that is co-planar with the second layered capacitor, and the two second comb-shaped steps are located completely inside the matching sheet and contact the matching sheet. Not
Two notches are formed in the inner edge of the matching sheet, and the two fixed contacts in the plurality of fixed contacts are the first contact contact and the second contact connected to the second layered capacitor. The circuit board of the electrical connector according to claim 9, wherein the circuit board of the electrical connector according to claim 9, wherein the circuit board faces each contact and is located in each of two notches of the matching sheet.

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