DFN5*6-to-TO-220 packaging test seat
By designing a DFN5x6 to TO-220 package test socket, the pins of the DFN5x6 package are electrically connected to the contacts of the TO-220 shell, solving the DFN5x6 package testing problem, achieving convenient test conversion, and improving test efficiency.
Patent Information
- Application Number
- CN202422672784.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The DFN5x6 package has an irregular shape and short pins, making it difficult to insert into the test machine during testing, affecting test efficiency.
A DFN5x6 to TO-220 package test socket is designed. By setting a placement slot inside the TO-220 shell, the pins and contacts of the DFN5x6 package are electrically connected, realizing conversion to a TO-220 package for easy testing.
It enables convenient testing of DFN5x6 packages, solves the problems of irregular shape and short pins, and improves test efficiency.
Smart Images

Figure CN223308328U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging test sockets, in particular to a DFN5x6 to TO-220 packaging test socket. Background Art
[0002] The TO-220 package can be easily inserted into the test machine for testing during package testing. However, the DFN5x6 package is inconvenient to test due to its shape. In addition, the pin arrangement of this package is relatively irregular and the pins are relatively short, making it difficult to insert into the test machine for testing.
[0003] To this end, the present invention provides a DFN5x6 to TO-220 package test socket to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the present invention provides a DFN5x6 to TO-220 package test socket, which solves the above problems.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a DFN5x6 to TO-220 package test socket, comprising a TO-220 shell, a DFN5x6 package is arranged inside the TO-220 shell, the TO-220 shell comprises a shell, a placement slot is opened inside the shell, the DFN5x6 package comprises a DFN5x6 body, a second S pin, a second G pin and a second D pin are fixedly installed on the outside of the DFN5x6 body, the DFN5x6 body, the second S pin, the second G pin and the second D pin are embedded in the placement slot, the front of the shell is fixedly installed with a first pin, three first pins, and a second G pin. The pins are located at the first S pin, the first D pin and the first G pin from left to right respectively. The first contact, the second contact and the third contact are fixedly installed inside the placement slot. The first contact is electrically connected to the first S pin, the second contact is electrically connected to the first G pin, and the third contact is electrically connected to the first D pin. The second S pin is fitted with the first contact, the second G pin is fitted with the second contact, and the second D pin is fitted with the third contact. The left and right length of the DFN5x6 body is 5mm, the front and back width of the DFN5x6 body is 5.8mm, the thickness of the DFN5x6 body is 1mm, and the length, width and height of the placement slot are consistent with the DFN5x6 body.
[0006] Preferably, the front and rear inner walls of the placement slot are provided with matching slots, and the second S pin, the second G pin and the second D pin are embedded in the matching slots.
[0007] Preferably, grooves are provided on both the left and right sides of the shell, and the inner sides of the grooves are communicated with the interior of the TO-220 shell.
[0008] Preferably, the TO-220 housing further comprises a top cover, two rubber blocks are fixedly mounted on the bottom of the top cover, the top cover is attached to the housing and the top of the DFN5x6 body, and the rubber blocks are inserted into the groove.
[0009] Preferably, the length, width and height of the rubber block are slightly larger than the length, width and height of the interior of the groove.
[0010] Beneficial effects
[0011] The utility model provides a DFN5x6 to TO-220 package test socket. Compared with the existing technology, it has the following advantages:
[0012] 1. The DFN5x6 to TO-220 package test socket fixes the DFN5x6 package in the placement slot. When the DFN5x6 package is in the placement slot, the second S pin, the second G pin, and the second D pin are in contact with the first contact, the second contact, and the third contact, respectively. Thus, the first and second S pins, the first and second G pins, and the first and second D pins are electrically connected, thereby converting the DFN5x6 package to a TO-220 package, thereby facilitating testing of the DFN5x6 package. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0014] Figure 1 This is a three-dimensional diagram of the external structure of the utility model;
[0015] Figure 2 This is a three-dimensional diagram of the split structure of the utility model;
[0016] Figure 3 It is a three-dimensional diagram of the internal structure of the utility model;
[0017] Figure 4 This is a three-dimensional diagram of the internal structure of the shell of the utility model;
[0018] Figure 5 This is a three-dimensional diagram of the bottom structure of the utility model;
[0019] Figure 6It is a three-dimensional diagram of the internal sectional structure of the present utility model.
[0020] In the figure: 1. TO-220 housing; 11. Shell; 12. First pin; 13. Top cover; 14. Rubber block; 15. Groove; 16. Placement slot; 17. First contact; 18. Second contact; 19. Third contact; 2. DFN5x6 package; 21. DFN5x6 body; 22. Second S pin; 23. Second G pin; 24. Second D pin. DETAILED DESCRIPTION
[0021] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0022] The present application will be further described in detail below through the accompanying drawings and examples.
[0023] Reference Figures 1 to 6, the embodiment of the present application provides a DFN5x6 to TO-220 package test socket, including a TO-220 shell 1, a DFN5x6 package 2 is arranged inside the TO-220 shell 1, the TO-220 shell 1 includes a shell 11, a placement groove 16 is opened inside the shell 11, the DFN5x6 package 2 includes a DFN5x6 body 21, a second S pin 22, a second G pin 23 and a second D pin 24 are fixedly installed on the outside of the DFN5x6 body 21, the DFN5x6 body 21, the second S pin 22, the second G pin 23 and the second D pin 24 are embedded in the placement groove 16, the front of the shell 11 is fixedly installed with a first pin 12, and the three first pins 12 are arranged on the left and right sides of the shell 11. To the right, the first S pin, the first D pin and the first G pin are respectively located. The first contact 17, the second contact 18 and the third contact 19 are fixedly installed inside the placement slot 16. The first contact 17 is electrically connected to the first S pin, the second contact 18 is electrically connected to the first G pin, and the third contact 19 is electrically connected to the first D pin. The second S pin 22 is fitted with the first contact 17, the second G pin 23 is fitted with the second contact 18, and the second D pin 24 is fitted with the third contact 19. The left and right lengths of the DFN5x6 body 21 are 5mm, the front and back widths of the DFN5x6 body 21 are 5.8mm, and the thickness of the DFN5x6 body 21 is 1mm. The length, width and height of the placement slot 16 are consistent with those of the DFN5x6 body 21.
[0024] The front and rear inner walls of the placement slot 16 are formed with mating grooves, into which the second S pin 22, the second G pin 23, and the second D pin 24 are embedded. Recesses 15 are formed on both the left and right sides of the housing 11. The interior of these recesses 15 communicates with the interior of the TO-220 housing 1. The TO-220 housing 1 also includes a top cover 13, with two rubber blocks 14 fixedly mounted on its bottom. The top cover 13 fits affixed to the housing 11 and the top of the DFN5x6 body 21, with the rubber blocks 14 inserted into the recesses 15. The length, width, and height of the rubber blocks 14 are slightly larger than the interior length, width, and height of the recess 15.
[0025] In this embodiment, when testing the DFN5x6 package 2, the DFN5x6 package 2 is placed inside the placement groove 16, and the pins of the DFN5x6 package 2 are inserted into the matching groove. After the placement is completed, the top cover 13 is covered on the top of the shell 11, and the rubber block 14 is squeezed and inserted into the groove 15. The slightly larger rubber block 14 can fix the rubber block 14 in the groove 15, so that the top cover 13 can be fixed to the top of the shell 11, thereby fixing the DFN5x6 package 2 in the placement groove 16. When the DFN5x6 package 2 is located in the placement groove 16, the second S pin 22, the second G pin 23 and the second D pin 24 are in contact with the first contact 17, the second contact 18 and the third contact 19 respectively, thereby realizing electrical connection between the first and second S pins, the first and second G pins, and the first and second D pins, thereby converting the DFN5x6 package 2 into a TO-220 package, thereby facilitating the testing of the DFN5x6 package 2; and when removing the DFN5x6 package 2, the top cover 13 can be pulled out, and the DFN5x6 package 2 can be removed by buckling the fingers on both sides of the DFN5x6 package 2 through the grooves 15.
[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0027] Working principle: When testing the DFN5x6 package 2, place the DFN5x6 package 2 inside the placement groove 16, and insert the pins of the DFN5x6 package 2 into the matching groove. After placement, cover the top cover 13 on the top of the shell 11, and squeeze the rubber block 14 into the groove 15. The slightly larger rubber block 14 can fix the rubber block 14 in the groove 15, so that the top cover 13 can be fixed on the top of the shell 11, thereby fixing the DFN5x6 package 2 in the placement groove 16. When the DFN5x6 package 2 is in the placement groove 16, the second S pin 2 2. The second G pin 23 and the second D pin 24 are in contact with the first contact 17, the second contact 18, and the third contact 19, respectively, thereby achieving electrical connection between the first and second S pins, the first and second G pins, and the first and second D pins, thereby converting the DFN5x6 package 2 into a TO-220 package, thereby facilitating testing of the DFN5x6 package 2; and when removing the DFN5x6 package 2, the top cover 13 can be pulled out, and the DFN5x6 package 2 can be removed by buckling the two sides of the DFN5x6 package 2 with your fingers through the grooves 15.
[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0029] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A DFN5x6 to TO-220 package test socket, characterized by: The invention comprises a TO-220 shell (1), characterized in that: a DFN5x6 package (2) is provided inside the TO-220 shell (1), the TO-220 shell (1) comprises a shell (11), a placement groove (16) is provided inside the shell (11), the DFN5x6 package (2) comprises a DFN5x6 body (21), a second S pin (22), a second G pin (23) and a second D pin (24) are fixedly installed on the outside of the DFN5x6 body (21), the DFN5x6 body (21), the second S pin (22), the second G pin (23) and the second D pin (24) are embedded in the placement groove (16), a first pin (12) is fixedly installed on the front of the shell (11), and the three first pins (12) are respectively located at the first S pin, the first G pin (23) and the second D pin (24) from left to right. The D pin and the first G pin are fixedly installed inside the placement slot (16). The first contact (17), the second contact (18) and the third contact (19) are electrically connected to the first S pin, the second contact (18) is electrically connected to the first G pin, and the third contact (19) is electrically connected to the first D pin. The second S pin (22) is fitted with the first contact (17), the second G pin (23) is fitted with the second contact (18), and the second D pin (24) is fitted with the third contact (19). The left and right lengths of the DFN5x6 body (21) are 5mm, the front and back widths of the DFN5x6 body (21) are 5.8mm, and the thickness of the DFN5x6 body (21) is 1mm. The length, width and height of the placement slot (16) are consistent with those of the DFN5x6 body (21).
2. The DFN5x6 to TO-220 package test socket according to claim 1, characterized in that: Matching grooves are provided on the front and rear inner walls of the placement groove (16), and the second S pin (22), the second G pin (23) and the second D pin (24) are embedded in the matching grooves.
3. The DFN5x6 to TO-220 package test socket according to claim 1, characterized in that: Grooves (15) are provided on both the left and right sides of the housing (11), and the inner sides of the grooves (15) are communicated with the interior of the TO-220 housing (1).
4. The DFN5x6 to TO-220 package test socket according to claim 1, characterized in that: The TO-220 housing (1) further comprises a top cover (13), two rubber blocks (14) are fixedly mounted on the bottom of the top cover (13), the top cover (13) is fitted on the top of the housing (11) and the DFN5x6 body (21), and the rubber blocks (14) are inserted into the groove (15).
5. The DFN5x6 to TO-220 package test socket according to claim 4, characterized in that: The length, width and height of the rubber block (14) are slightly larger than the length, width and height inside the groove (15).