TWI820962B - Electrical connector - Google Patents

Abstract

An electrical connector includes a housing, an insulating body and plural terminals. The housing includes a front end and a rear end. The insulating body is accommodated in the housing and includes a tongue portion disposed at the front end and a base portion disposed at the rear end. The plural terminals are accommodated in the housing and include ground terminals, power terminals and signal terminals. Each of the plural terminals includes a first contact portion, a second contact portion and a connection portion for connecting the first contact portion and the second contact portion. The first contact portions are disposed on the surfaces of the tongue portion and arranged in a widthwise direction, which is perpendicular to the direction from the front end to the rear end, and the second contact portions are extended out from the base portion. Each of the second contact portions of the ground terminals and the power terminals has a width in the widthwise direction larger than widths of the first contact portions respectively thereof in the widthwise direction.

Description

electrical connector

This case relates to an electrical connector, especially an electrical connector used to transmit large currents.

USB electrical connectors, especially USB Type-C electrical connectors, have become one of the mainstream interfaces for electronic products to transmit data and charge.

The USB Type-C electrical connector with universal specifications has two rows of terminals arranged in the same upper and lower rows. Each row of terminals includes signal terminals, ground terminals and power terminals. Among them, the ground terminals and power terminals are involved in the charging process.

In recent years, the demand for fast charging has become higher and higher. However, when performing the charging process, the rated current cannot be increased due to the limitations of the specifications of the conventional power terminals and grounding terminals, making it difficult to transmit large currents for fast charging. It is also easy to cause the temperature to rise when the current is large.

Therefore, it is necessary to develop a new electrical connector to overcome the above shortcomings.

The purpose of this case is to provide an electrical connector that meets the need to transmit large currents by increasing the size of the ground terminal and the power terminal, thereby increasing heat dissipation, reducing temperature rise, and increasing the rated current.

Another purpose of this case is to provide an electrical connector that can accommodate an enlarged size grounding terminal without affecting the structure of the plug end by further changing the appearance size and shape of part of the housing. power terminals and maintain spacing between each oversized terminal.

In order to achieve the above purpose, this case provides an electrical connector, which includes a shell, an insulator and a plurality of terminals. The housing has a front end and a rear end, wherein the direction parallel from the front end to the rear end is the longitudinal direction of the housing, and the direction perpendicular to the longitudinal direction is the transverse direction of the housing. The insulator is accommodated in the housing and includes a tongue portion located at the front end and a base portion located at the rear end. A plurality of terminals are accommodated in the housing and include a plurality of ground terminals, a plurality of power terminals and a plurality of signal terminals, wherein each of the plurality of terminals has a first contact part, a second contact part, and connects the first contact part and The connection part of the second contact part. The first contact portion of each of the plurality of terminals is located on the surface of the tongue and is arranged in a transverse direction, and the second contact portion of each of the plurality of terminals extends from the base, and each of the plurality of grounding The width of the terminal and the second contact portion of each of the plurality of power terminals in the lateral direction is greater than the width of the respective first contact portion in the lateral direction. In addition, the housing is divided into a first section located at the front end and a second section located at the rear end in the longitudinal direction, and the width of the second section in the transverse direction is greater than the width of the first section in the transverse direction.

In one embodiment, the second contact portions of each of the plurality of ground terminals and each of the plurality of power terminals are arranged in a transverse direction in the second section.

In one embodiment, the widths of the connecting portions of each of the plurality of power terminals and each of the plurality of ground terminals in the lateral direction are greater than the widths of the respective first contact portions in the lateral direction.

In one embodiment, the width of the second contact portions of the plurality of ground terminals and the plurality of power terminals in the lateral direction is approximately 3.5 times the width of the second contact portions of the plurality of signal terminals in the lateral direction.

In order to achieve the above purpose, this case further provides an electrical connector, which includes a shell, an insulator and a plurality of terminals. The housing has a front end and a rear end, wherein the direction parallel from the front end to the rear end is the longitudinal direction of the housing, and the direction perpendicular to the longitudinal direction is the transverse direction of the housing. The insulator is accommodated in the housing and includes a tongue portion located at the front end and a base portion located at the rear end. A plurality of terminals are accommodated in the housing and include a plurality of ground terminals, a plurality of power terminals and a plurality of signal terminals, wherein each of the plurality of terminals has a first contact part, a second contact part, and connects the first contact part and The connection part of the second contact part. The first contact portion of each of the plurality of terminals is located on the surface of the tongue and is arranged in a transverse direction, and the second contact portion of each of the plurality of terminals extends from the base, and each of the plurality of grounding The width of the terminal and the second contact portion of each of the plurality of power terminals in the lateral direction is greater than the width of the first contact portion in the lateral direction, and at least two of the plurality of second contacts are arranged in a longitudinal direction at the rear end. Orientation arrangement.

In one embodiment, the widths of the connecting portions of each of the plurality of power terminals and each of the plurality of ground terminals in the lateral direction are greater than the widths of the respective first contact portions in the lateral direction. .

In one embodiment, the width of the second contact portions of the plurality of ground terminals and the plurality of power terminals in the lateral direction is approximately 3.5 times the width of the second contact portions of the plurality of signal terminals in the lateral direction.

Some typical embodiments embodying the features and advantages of this case will be described in detail in the following description. It should be understood that the present invention can have various changes in different aspects, but all do not depart from the scope of the present invention, and the description and illustrations are for illustrative purposes in nature, not for limitation. invention.

Please refer to Figures 1A to 1C. Figure 1A shows a schematic diagram of an electrical connector according to the first preferred embodiment of this case. Figure 1B shows an insulator and a plurality of electrical connectors according to the first preferred embodiment of this case. A perspective view of the terminal, and Figure 1C shows a bottom view of the electrical connector of Figure 1A. The electrical connector 1 includes a housing 11, an insulator 12, and a plurality of terminals. The housing 11 is used to accommodate the insulator 12 and a plurality of terminals. The insulator 12 includes a tongue 121 and a base 122, and the plurality of terminals include a plurality of grounds. The terminal 13, a plurality of power terminals 14, and a plurality of signal terminals 15, for example, include 4 ground terminals 13, 4 power terminals 14, and 8 signal terminals 15, and each of the plurality of ground terminals 13 has a first The contact part 131, the second contact part 132, and the connection part 133 connecting the first contact part 131 and the second contact part 132. Each of the plurality of power terminals 14 has a first contact part 141, a second contact part 142, and The connection part 143 connects the first contact part 141 and the second contact part 142, and each of the plurality of signal terminals 15 has a first contact part 151, a second contact part 152, and connects the first contact part 151 and the second contact part 143. The connecting part 153 of the part 152.

The housing 11 has a front end A and a rear end B. The front end A is a sleeve-shaped structure, and the tongue 121 is disposed therein to receive a corresponding electrical connector; the rear end B is used to form an electrical connection with a device (not shown, such as a mobile phone, a tablet computer, etc.). A plurality of first contact portions of a plurality of terminals are disposed on the surface of the tongue portion 121 to form electrical connections with the received terminals in the corresponding electrical connector, and a plurality of second contact portions of the plurality of terminals are formed from the base portion 122 extends out and is electrically connected to a circuit board (not shown) provided in the device at the rear end B. That is, the front end A is the plug end of the electrical connector 1 , and the rear end B is the circuit board connection end of the electrical connector 1 .

Here, for the purpose of clear description, the direction parallel to the front end A to the rear end B is further defined as the longitudinal direction of the electrical connector 1, and the direction perpendicular to the longitudinal direction is the transverse direction of the electrical connector 1, and the direction along the longitudinal direction is further defined. The change in size is a change in length, and the change in size in the transverse direction is a change in width.

The tongue 121 is a flat plate structure, and the plane of the flat plate structure is arranged in the housing 11 parallel to the transverse direction of the electrical connector 1. The first contact portions 131, 141, 151 of the plurality of terminals are tied to the upper and lower surfaces of the flat plate structure. Arranged in the transverse direction, the first contact portions 131, 141, 151 are also located in the front end A. The first contact portions are arranged in the same manner on the upper and lower surfaces of the tongue 121 , with the first contact portion 151 of the signal terminal 15 located in the middle, and the first contact portion 151 is adjacent to the first contact portion of the power terminal 14 on both sides. The contact portion 141 and the other side of each first contact portion 141 are adjacent to the first contact portion 131 of the ground terminal 13 . In other words, the electrical connector 1 in this case is a non-directional electrical connector that can accept both forward and reverse insertion, such as a USB Type C connector.

In order to increase the rated current of the electrical connector 1, this solution is achieved by changing the size and structure of the ground terminal 13 and the power terminal 14. As shown in Figures 1B and 1C, the widths of the first contact portions 131, 141, and 151 of the ground terminal 13, the power terminal 14, and the signal terminal 15 located on the surface of the tongue portion 121 are approximately equal to each other in the lateral direction, and Different types of terminals have different widths of the second contact portions at the rear end B in the lateral direction. The width W1 of the second contact portion 152 of the signal terminal 15 is maintained close to the width of the first contact portion 151 . On the other hand, the width W2 of the second contact portion 132 of the ground terminal 13 and the second width W2 of the power terminal 14 are The width W3 of the contact portion 142 is larger than the width of the respective first contact portions 131 and 141 . In other words, the widths W2 and W3 of the second contact portions 132 and 142 of the ground terminal 13 and the power terminal 14 are both larger than that of the signal terminal 15 . The width W1 of the second contact portion 152 is. Accordingly, in this embodiment, the ground terminal 13 and the power terminal 14 achieve the purpose of increasing the rated current by increasing the width of the second contact portions 132 and 142 in the lateral direction.

The width of the ground terminal 13 and the power terminal 14 changes in such a way that the width of the first contact portions 131 and 141 remains unchanged, for example, consistent with the width of the terminals of a general-purpose electrical connector, and the width starts from the connecting portions 133 and 143 change. For example, as shown in FIG. 1B , the ground terminal 13 and the power terminal 14 can gradually increase in width at the junction of the connecting portions 133 and 143 and the first contact portions 131 and 141 , and maintain the width after increasing to the required width. width, and continues to extend to the second contact portions 132, 142, but is not limited thereto. The ranges of the width W2 and the width W3 of the second contact portions 132 and 142 may depend on actual requirements, and the width W2 and the width W3 may be the same or different, and are not limited.

When the width of the ground terminal 13 and the power terminal 14 increases, it is conducive to the passage of large currents. In particular, the width gradually increases from the connecting portions 133 and 143 and continues to the second contact portions 132 and 142. Therefore, in addition to allowing replacement In addition to allowing large currents to pass through, the widened terminal design also helps dissipate heat and reduce temperature rise. Taken together, it can effectively meet the application requirements for fast charging using electrical connectors.

In order to accommodate the enlarged ground terminal 13 and power terminal 14, especially the second contact portions 132 and 142, the external size and shape of the housing 11 are changed accordingly. In the embodiment shown in Figures 1A to 1C, the housing 11 is further divided into a first section 111 and a second section 112 in the longitudinal direction. The first section 111 is located at the front end A of the electrical connector 1. The second section 112 is located at the rear end B of the electrical connector 1 , and the width L2 of the second section 112 in the lateral direction is greater than the width L3 of the first section 111 in the lateral direction. That is, the length L1 of the electrical connector 1 in the longitudinal direction and the width L3 of the first section 111 in the transverse direction remain unchanged. For example, they are consistent with the length and width of a general-purpose electrical connector, and only the second section is The width L2 of 112 in the lateral direction is increased to be wider than that of a general-purpose electrical connector. Compared with the case where the second contact portion is not widened, in this embodiment, the width of the second contact portions 132 and 142 with a total of 8 terminals (4 ground terminals 13 and 4 power terminals 14 ) is increased. Under the premise that the second contact portions 132, 142, and 152 are arranged in a transverse direction and do not interfere with each other, the second contact portions 132, 142, and 152 arranged in a row require a larger space. Accordingly, the second section 112 of the housing 11 The width L2 of is implemented to be greater than the width L3 of the first section 111 to provide a larger space for arranging the second contact portions 132, 142, 152 of all terminals. In other words, compared with the general-purpose electrical connector without widened terminals, in this embodiment, a structural gap is formed between the second section 112 located at the rear end B and the first section 111 located at the front end A, so that The outer shell has a T-shaped appearance.

The width L2 of the second section 112 depends on the widths of the second contact portions 132 and 142 of the ground terminal 13 and the power terminal 14 respectively, and the spacing between the contact portions. More specifically, the width W2 of the second contact portion 132 of the ground terminal 13 , the width W3 of the second contact portion 142 of the power terminal 14 , the width W1 of the second contact portion 152 of the signal terminal 15 , the second contact portion 132 and The distance D2 between the second contact parts 142 , the distance D3 between the second contact part 142 and the second contact part 152 , and the distance D1 between the two second contact parts 152 jointly determine the second area of the housing 11 Width L2 of segment 112 in the transverse direction. In other words, when the respective widths of the second contact portions and the distance between the second contact portions change, the width L2 of the second section 112 will also change accordingly.

In addition, the length L4 of the first section 111 in the longitudinal direction and the length L5 of the second section 112 in the longitudinal direction mainly depend on the position where the connecting portions 133 and 143 of the ground terminal 13 and the power terminal 14 begin to increase in width, so they only It only needs to provide reasonable space for each terminal to be configured. There is no special limit on the length of these two sections. Furthermore, the distances D1, D2, and D3 can also be changed according to actual needs. For example, it can be implemented so that D1, D2, and D3 are approximately equal, or D2 and D3 are larger than D1, and/or D2 and D3 are not equal. There is no restriction as long as there is no mutual interference between the terminals and it meets the requirements of the production process.

Therefore, by gradually increasing the width of the ground terminal 13 and the power terminal 14 from the connection portions 133 and 143 respectively, the effect of transmitting greater current can be achieved, and at the same time, the contact between the ground terminal 13 and the power terminal 14 and the circuit board can be increased. area (that is, the area of the second contact portions 132 and 142), further helping to dissipate heat, reduce temperature rise, and increase the rated current. On the other hand, since the electrical connector 1 is for receiving the female end of a corresponding electrical connector and is usually installed in a device, such as a mobile phone or a tablet computer, it can be smoothly placed by simply planning the space within the device. The housing 11 is inserted into the second section 112 with an increased width in the lateral direction relative to the universal standard electrical connector. In addition, the width of the first contact portion of each terminal remains unchanged, that is, the plug-in end structure at the front end A still maintains compliance with universal specifications, and the plug-in and electrical connection with the corresponding connector are not affected.

Next, please refer to Figures 2A to 2C. Figure 2A shows a schematic diagram of an electrical connector according to the second preferred embodiment of this case. Figure 2B shows an insulator and an electrical connector according to the second preferred embodiment of this case. A perspective view of a plurality of terminals, and Figure 2C shows a bottom view of the electrical connector of Figure 2A. The electrical connector 1' includes a housing 11', an insulator 12' and a plurality of terminals. The housing 11' is used to accommodate the insulator 12' and a plurality of terminals. The insulator 12' includes a tongue 121' and a base 122'. And the plurality of terminals include a plurality of ground terminals 13a', 13b', a plurality of power terminals 14a', 14b', and a plurality of signal terminals 15', and each of the plurality of ground terminals 13a', 13b' has a first contact portions 131a', 131b', second contact portions 132a', 132b', and connecting portions 133a', 133b' respectively connecting the first contact portions 131a', 131b' and the second contact portions 132a', 132b', each The plurality of power terminals 14a' and 14b' have first contact parts 141a' and 141b' and second contact parts 142a' and 142b', and are respectively connected to the first contact parts 141a' and 141b' and the second contact part 142a'. , the connecting portions 143a', 143b' of 142b', and each of the plurality of signal terminals 15' has a first contact portion 151', a second contact portion 152', and connects the first contact portion 151' and the second contact portion The connection part 153' of 152'.

The housing 11' has a front end A' and a rear end B'. The front end A' is used to receive a corresponding electrical connector, and the tongue 121' is disposed therein; the rear end B' is used to form an electrical connection with a device (not shown, such as a mobile phone, tablet computer, etc.). A plurality of first contact portions of a plurality of terminals are disposed on the surface of the tongue portion 121' to form electrical connections with the received terminals in the corresponding electrical connector, and a plurality of second contact portions of the plurality of terminals are automatically connected. The base 122' extends out and is electrically connected to a circuit board (not shown) provided in the device at the rear end B'. That is, the front end A' is the plug end of the electrical connector 1', and the rear end B' is the circuit board connection end of the electrical connector 1'.

Here, for clarity of description, the direction parallel to the front end A' to the rear end B' is also defined as the longitudinal direction of the electrical connector 1', and the direction perpendicular to the longitudinal direction is the transverse direction of the electrical connector 1', and is defined along Dimensional changes in the longitudinal direction are changes in length, and changes in dimensions in the transverse direction are changes in width.

Among them, the width W1' of the second contact portion 152' of the signal terminal 15' in the lateral direction is maintained close to the width of the first contact portion 151'. On the other hand, in order to increase the rated current, the ground terminals 13a', 13b' and The widths of the power terminals 14a' and 14b' in the lateral direction increase from the connecting portions 133a', 133b', 143a', and 143b', so that the width W2' of the second contact portions 132a' and 132b' and the second contact portion The width W3' of 142a' and 142b' is larger than the width of the first contact portion respectively. Other structural details are the same as the embodiment shown in Figures 1A-1C and will not be described again.

In this embodiment, in order to accommodate the enlarged ground terminals 13a', 13b' and power terminals 14a', 14b', especially the widened second contact portions 132a', 132b', 142a', 142b', The appearance size and shape of the housing 11' are also further changed. What is different from the embodiment shown in Figures 1A-1C is that the housing 11' responds by increasing the length L1' in the longitudinal direction. As shown in Figures 2B and 2C, at the rear end B' of the housing 11', disposed in the lateral direction together with the signal terminal 15', are the second contact portion 132a' of the ground terminal 13a' and the power terminal 14a 'The second contact portion 142a', and the second contact portion 132b' of the ground terminal 13b' and the second contact portion 142b' of the power terminal 14b' are arranged in another row in the lateral direction, for example, arranged in another row. Close to the front end A'. That is, the second contact portions 132a' and 132b' of the ground terminals 13a' and 13b' are arranged in the longitudinal direction, and the second contact portions 142a' and 142b' of the power terminals 14a' and 14b' are also arranged in the longitudinal direction. Accordingly, the length L1' of the electrical connector 1' is correspondingly lengthened, for example, longer than the longitudinal length of a general-purpose electrical connector, and also longer than the length L1 in the embodiment shown in Figures 1A-1C. The width L2' of the rear end B' of the housing 11' is maintained approximately the same as the width L3' of the front end A'.

Here, the length L1' of the electrical connector 1' is determined by the length L6' of the second contact portion 132b' of the ground terminal 13b' in the longitudinal direction and the length L6' of the second contact portion 142b' of the power terminal 14b' in the longitudinal direction. L7', and the respective distances D4' between the second contact portions 132a' and 132b' and between the second contact portions 142a' and 142b'. In addition, since the second contact portions 132b' and 142b' are moved into a single row, even when the width of the second contact portions 132a' and 142a' is widened, the rear end B' of the housing 11' is in the lateral direction The width L2' can be maintained approximately equal to the width L3' of the front end A' of the housing 11' in the lateral direction, that is, approximately equal to the lateral width of a general-purpose electrical connector.

Here, as mentioned above, the variation ranges of the widths W1', W2', and W3' of the second contact portions of each terminal and the spacings D1', D2', D3', and D4' between the second contact portions of each terminal are, The variation ranges of the length L6' of the second contact portion 132b' of the ground terminal 13b' and the length L7' of the second contact portion 142b' of the power terminal 14b' can all be determined according to actual needs, as long as the distance between each terminal is reached. There are no restrictions on mutual interference and compliance with production process requirements.

Therefore, by gradually increasing the widths of the ground terminals 13a', 13b' and the power terminals 14a', 14b' respectively from the connection portions 133a', 133b', 143a', 143b', the effect of transmitting greater current can be achieved. At the same time, the contact area between the ground terminals 13a', 13b' and the power terminals 14a', 14b' and the circuit board (that is, the area of the second contact portions 132a', 132b', 142a', 142b') is also increased to further help heat dissipation. Reduce temperature rise and increase rated current. On the other hand, since the electrical connector 1' is for receiving the female end of the corresponding electrical connector, and is usually installed in a device, such as a mobile phone or a tablet computer, it can be smoothly connected by planning the space within the device. A housing 11' whose length in the longitudinal direction is increased relative to that of a general-purpose electrical connector is inserted. In addition, the width of the first contact portion of each terminal remains unchanged, that is, the plug-in end structure at the front end A' still maintains compliance with universal specifications, and the plug-in and electrical connection with the corresponding connector are not affected.

More specifically, the two embodiments of this case provide two arrangements of the second contact portions in the electrical connector and corresponding changes in the housing structure to cope with the widening of the ground terminal and the power terminal in order to increase the rated current. The increased space accommodation requirements of the connecting part and the second contact part. By coordinating the arrangement of the widened second contact portions with the size and shape of the housing, it is possible to connect the connector to the general-standard connector without changing the length of the housing in the longitudinal direction. The device can meet the accommodation requirements without changing the width of the casing in the transverse direction, and advantageously provides selectivity. Furthermore, the length of the housing in the longitudinal direction and the width in the transverse direction can also be increased at the same time relative to the general-standard connector to cope with other widening requirements for ground terminals and/or power terminals without limitation.

Regardless of the arrangement of the second contact portion and the corresponding change in the housing structure, experimental data shows that increasing the width of the connecting portion of the ground terminal and the power terminal and the second contact portion will indeed help increase the rated current. For example, in one embodiment, a design is adopted in which the width W1/W1' is 0.2 mm, and the width W2/W2' and the width W3/W3' are 0.7 mm, that is, the widths W2/W2' and W3/W3 are 'is about 3.5 times the width W1/W1', and then based on the temperature rise of 30 degrees, the current value is measured, and the rated current can reach more than 7A. This means that the increased width of the ground terminal and power terminal in this case can indeed help dissipate heat, reduce temperature rise, and increase the rated current. Furthermore, the widths W2/W2' and W3/W3' and the widths W1/W1' can also be implemented in different ratios according to actual needs, for example, the width is about 3-5 times wider, so it is not limited thereto.

To sum up, by widening the width of the ground terminal and the power terminal in the lateral direction from the connecting part to the second contact part, the electrical connector in this case can achieve the purpose of transmitting large current and increasing the rated current, while also providing Increase heat dissipation and reduce temperature rise. Furthermore, the appearance size and shape of the electrical connector in this case can further selectively change the width and/or width of the circuit board connection end in the lateral direction relative to the general-purpose electrical connector according to the arrangement of the widened ground terminals and power terminals. The length in the longitudinal direction is to provide accommodating space between the widened terminals without mutual interference, and to maintain the structure of the plug end in compliance with general specifications.

It should be noted that the above are only preferred embodiments proposed to illustrate this case. This case is not limited to the embodiments described. The scope of this case is determined by the scope of the attached patent application. Moreover, this case may be modified in various ways by those who are familiar with this technology, but it will not deviate from the intended protection within the scope of the attached patent application.

1. 1’: Electrical connector 11, 11’: Shell 111:First section 112:Second section 12, 12’: Insulator 121, 121’: Tongue 122, 122’: base 13, 13a’, 13b’: Ground terminal 14, 14a’, 14b’: power terminal 15, 15’: Signal terminal 131, 131a’, 131b’, 141, 141a’, 141b’, 151, 151’: first contact part 132, 132a’, 132b’, 142, 142a’, 142b’, 152, 152’: second contact part 133, 133a’, 133b’, 143, 143a’, 143b’, 153, 153’: connection part A, A’: front end B, B’: backend W1, W2, W3, W1’, W2’, W3’: Width D1, D2, D3, D1’, D2’, D3’, D4’: spacing L1, L4, L5, L1’, L6’, L7’: length L2, L3, L2’, L3’: Width

Figure 1A shows a schematic diagram of an electrical connector according to the first preferred embodiment of the present invention. Figure 1B shows a perspective view of an insulator and a plurality of terminals in an electrical connector according to the first preferred embodiment of the present invention. Figure 1C shows a bottom view of the electrical connector of Figure 1A. Figure 2A shows a schematic diagram of an electrical connector according to the second preferred embodiment of the present invention. Figure 2B shows a perspective view of an insulator and a plurality of terminals in an electrical connector according to the second preferred embodiment of the present invention. Figure 2C shows a bottom view of the electrical connector of Figure 2A.

1: Electrical connector

11: Shell

111:First section

112:Second section

13: Ground terminal

14:Power terminal

15:Signal terminal

A:Front end

B:Backend

Claims (9)

An electrical connector includes: a housing having a front end and a rear end, wherein the direction parallel from the front end to the rear end is a longitudinal direction of the housing, and the direction perpendicular to the longitudinal direction is the housing a transverse direction of the body; an insulator, housed in the housing, and including a tongue portion, located at the front end, and a base portion, located at the rear end; and a plurality of terminals, housed in the housing, and It includes a plurality of ground terminals, a plurality of power terminals, and a plurality of signal terminals, wherein each of the plurality of terminals has a first contact part, a second contact part, and a connection connecting the first contact part and the second contact The connecting portion of each terminal, wherein the first contact portion of each of the plurality of terminals is located on the surface of the tongue portion and is arranged in the transverse direction, and the second contact portion of each of the plurality of terminals is formed from the base portion Extending out; wherein the width of the second contact portions of each of the plurality of ground terminals and each of the plurality of power terminals in the lateral direction is greater than the width of the first contact portions in the lateral direction; wherein the The shell system is divided into a first section in the longitudinal direction, located at the front end, and a second section located at the rear end, and the width of the second section in the transverse direction is greater than that of the first section. The width in the transverse direction; and wherein the second section in the longitudinal direction covers at least part of the first contact portions of the plurality of terminals, the connecting portions of the plurality of terminals and the connecting portions of the plurality of terminals. at least part of the second contact portions. The electrical connector of claim 1, wherein the second contact portions of each of the plurality of ground terminals and each of the plurality of power terminals are arranged in the transverse direction in the second section. The electrical connector as claimed in claim 1, wherein the widths of the connection portions of each of the plurality of power terminals and each of the plurality of ground terminals in the lateral direction are larger than the respective first contact portions width in that transverse direction. The electrical connector as claimed in claim 1, wherein the width of the second contact portions of the plurality of ground terminals in the lateral direction is the width of the second contact portions of the plurality of signal terminals in the lateral direction. about 3.5 times. The electrical connector as claimed in claim 1, wherein the width of the second contact portions of the plurality of power terminals in the lateral direction is the width of the second contact portions of the plurality of signal terminals in the lateral direction. about 3.5 times. An electrical connector includes: a housing having a front end and a rear end, wherein the direction parallel from the front end to the rear end is a longitudinal direction of the housing, and the direction perpendicular to the longitudinal direction is the housing a transverse direction of the body; an insulator, housed in the housing, and including a tongue portion, located at the front end, and a base portion, located at the rear end; and a plurality of terminals, housed in the housing, and It includes a plurality of ground terminals, a plurality of power terminals, and a plurality of signal terminals, wherein each of the plurality of terminals has a first contact part, a second contact part, and a connection connecting the first contact part and the second contact The connecting portion of each terminal, wherein the first contact portion of each of the plurality of terminals is located on the surface of the tongue portion and is arranged in the transverse direction, and the second contact portion of each of the plurality of terminals is formed from the base portion Extending out; wherein the width of the second contact portions of each of the plurality of ground terminals and each of the plurality of power terminals in the lateral direction is greater than the width of the first contact portions in the lateral direction; wherein the At least two of the second contact portions of the plurality of ground terminals and the plurality of power terminals are arranged in the longitudinal direction at the rear end; and The second contact portions of the plurality of signal terminals are arranged in the lateral direction at the rear end. The electrical connector as claimed in claim 6, wherein the widths of the connection portions of each of the plurality of power terminals and each of the plurality of ground terminals in the lateral direction are larger than the respective first contact portions width in that transverse direction. The electrical connector as claimed in claim 6, wherein the width of the second contact portions of the plurality of ground terminals in the lateral direction is the width of the second contact portions of the plurality of signal terminals in the lateral direction. about 3.5 times. The electrical connector of claim 6, wherein the width of the second contact portions of the plurality of power terminals in the lateral direction is the width of the second contact portions of the plurality of signal terminals in the lateral direction. about 3.5 times.