TO-263 to TO-220 packaging test seat
By designing the packaging test seat of TO-263 to TO-220, the electrical connection between the storage slot and the contact slot and the fixed plate snap structure are solved, and the problem of difficult testing of TO-263 packaging is achieved, and convenient and stable test conversion is achieved.
Patent Information
- Application Number
- CN202422427884.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The TO-263 package is difficult to easily insert into the test machine for testing, especially due to its curved pins and short lengths that make testing difficult.
A packaged test seat of TO-263 to TO-220 was designed. By setting a storage groove and contact slot in the TO-220 shell, the second pin plug is used to achieve electrical connection, and the TO-263 component is fixed through a fixing plate and a snap structure, and converted to TO-220 form for testing.
It realizes convenient testing of TO-263 package. Through the design of the fixing plate and snap structure, the stable fixation and electrical connection of TO-263 components are achieved, which facilitates the testing process.
Smart Images

Figure CN223296025U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging test sockets, in particular to a TO-263 to TO-220 packaging test socket. Background Art
[0002] TO-220 can be easily inserted into the test machine for testing during packaging testing. However, TO-263 package is inconvenient to test due to its appearance. In addition, the pins of this package are bent and short, making it difficult to insert into the test machine for testing.
[0003] To this end, the present invention provides a TO-263 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 TO-263 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 TO-263 to TO-220 package test socket, comprising a TO-220 shell, the TO-220 shell comprising an outer shell, a holding groove being provided inside the outer shell, a first pin being fixedly installed on the front of the outer shell, a contact slot being provided inside the outer shell and in front of the holding groove, the TO-263 component comprising a TO-263 body, a second pin being fixedly installed on the front of the TO-263 body, the TO-263 body being located inside the holding groove, the second pin being plugged into the contact slot, the left and right lengths of the TO-263 body being 10 mm, and the TO-263 body being 10 mm. The front-to-back length is 9mm, the thickness of the TO-263 body is 4.5mm, the middle pin length of the second pin is 1.5mm, the edge pin length of the second pin is 6mm, the second pin is composed of two arcs with lengths of 1.5mm and 1.8mm respectively and an arc angle of 0.4mm between the two sides, the thickness of the second pin is 0.4mm, the left and right lengths of the TO-263 body are the same as the left and right lengths of the holding slot, the front-to-back length of the holding slot is the same as the total length of the TO-263 body and the second pin, the thickness of the TO-263 body is the same as the upper and lower heights of the holding slot, the second pin is fully inserted and fits inside the contact slot, and the contact slot is electrically connected to the first pin.
[0006] Furthermore, a fixing plate is hinged on the top of the outer shell, and the fixing plate is attached to the top of the outer shell.
[0007] Furthermore, the bottom of the fixing plate 14 is attached to the top of the external shell and to the top of the TO-263 body.
[0008] Furthermore, buckles are fixedly installed on both the left and right sides of the fixing plate, and slots are opened on both the left and right sides of the outer shell, and the buckles are snapped into the inside of the slots.
[0009] Furthermore, the middle portion of the buckle is fixedly connected to the fixing plate, and the top of the buckle is higher than the top of the fixing plate.
[0010] Beneficial effects
[0011] The utility model provides a TO-263 to TO-220 package test socket. Compared with the existing technology, it has the following advantages:
[0012] 1. The TO-263 to TO-220 package test socket is connected to the corresponding contact slot through the second pin, so that the second pin is connected to the first pin. Then the fixing plate is buckled on the outside of the external shell, and the buckle is buckled inside the slot. The TO-263 component is fixed by fixing the fixing plate, realizing the conversion of TO-263 to TO-220, thereby achieving the purpose of facilitating the testing of the TO-263 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 side structural stereogram of the utility model
[0016] Figure 3 It is a three-dimensional diagram of the closed structure of the utility model;
[0017] Figure 4 It is a three-dimensional diagram of the TO-263 structure of the present utility model.
[0018] In the figure: 1. TO-220 housing; 11. External shell; 12. Receiving slot; 13. First pin; 14. Fixing plate; 15. Clip; 16. Slot; 17. Contact socket; 2. TO-263 component; 21. TO-263 body; 22. Second pin. DETAILED DESCRIPTION
[0019] 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.
[0020] The present application will be further described in detail below through the accompanying drawings and examples.
[0021] Reference Figures 1 to 4 , the embodiment of the present application provides a TO-263 to TO-220 package test socket, including a TO-220 shell 1, the TO-220 shell 1 includes an outer shell 11, a holding groove 12 is opened inside the outer shell 11, a first pin 13 is fixedly installed on the front of the outer shell 11, and a contact slot 17 is opened inside the outer shell 11 and in front of the holding groove 12. The TO-263 component 2 includes a TO-263 body 21, a second pin 22 is fixedly installed on the front of the TO-263 body 21, the TO-263 body 21 is located inside the holding groove 12, and the second pin 22 is plugged into the contact slot 17. The left and right length of the TO-263 body 21 is 10mm, and the front and back length of the TO-263 body 21 is 9mm, the thickness of the TO-263 body 21 is 4.5mm, the middle pin length of the second pin 22 is 1.5mm, the edge pin length of the second pin 22 is 6mm, the second pin 22 consists of two sections with lengths of 1.5mm and 1.8mm respectively and an arc with an arc angle of 0.4mm between the two sides, the thickness of the second pin 22 is 0.4mm, the left and right lengths of the TO-263 body 21 are the same as the left and right lengths of the holding slot 12, the front and back lengths of the holding slot 12 are the same as the total length of the TO-263 body 21 and the second pin 22, the thickness of the TO-263 body 21 is the same as the upper and lower heights of the holding slot 12, the second pin 22 is fully inserted and fits inside the contact slot 17, and the contact slot 17 is electrically connected to the first pin 13.
[0022] A fixing plate 14 is hingedly connected to the top of the outer shell 11, and the fixing plate 14 fits against the top of the outer shell 11. The bottom of the fixing plate 14 fits against the top of the outer shell 11 and the top of the TO-263 body 21. Clips 15 are fixedly mounted on both the left and right sides of the fixing plate 14. Clips 15 snap into place within slots 16 defined on both sides of the outer shell 11. The middle of the clips 15 is fixedly connected to the fixing plate 14, and the top of the clips 15 is higher than the top of the fixing plate 14.
[0023] In this embodiment, when testing a TO-263 package, the TO-263 component 2 is placed inside the holding slot 12. After placement, the TO-263 component 2 is pressed forward and the second pin 22 is inserted into the corresponding contact slot 17, thereby connecting the second pin 22 with the first pin 13. Then, the fixing plate 14 is buckled onto the outside of the outer shell 11, and the clip 5 is buckled into the slot 16. By fixing the fixing plate 14, the TO-263 component 2 is fixed, and the TO-263 is converted to a TO-220 package, thereby facilitating testing of the TO-263 package. After testing, the clip 5 is removed from the slot 16, and the fixing plate 14 is opened to remove the TO-263 package.
[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0025] Working principle: When testing TO-263, place the TO-263 component 2 inside the holding slot 12. After placement, press the TO-263 component 2 forward and insert the second pin 22 into the corresponding contact slot 17, so that the second pin 22 is connected to the first pin 13. Then, buckle the fixing plate 14 on the outside of the outer shell 11, and buckle 5 inside the card slot 16. By fixing the fixing plate 14, the TO-263 component 2 is fixed, and the TO-263 is converted to TO-220, thereby facilitating the testing of the TO-263 package. After the test, remove the buckle 15 from the card slot 16, open the fixing plate 14 and take out the TO-263.
[0026] 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.
[0027] 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 TO-263 to TO-220 package test socket, characterized by: The invention comprises a TO-220 shell (1), wherein the TO-220 shell (1) comprises an outer shell (11), wherein a receiving groove (12) is provided inside the outer shell (11), a first pin (13) is fixedly installed on the front of the outer shell (11), and a contact slot (17) is provided inside the outer shell (11) and in front of the receiving groove (12). The TO-263 component (2) comprises a TO-263 body (21), wherein a second pin (22) is fixedly installed on the front of the TO-263 body (21), wherein the TO-263 body (21) is located inside the receiving groove (12), and the second pin (22) is plugged into the contact slot (17). The left and right length of the TO-263 body (21) is 10 mm, and the front and rear length of the TO-263 body (21) is 9 mm. The thickness of the 3 body (21) is 4.5mm, the middle pin length of the second pin (22) is 1.5mm, the edge pin length of the second pin (22) is 6mm, the second pin (22) is composed of two arcs with lengths of 1.5mm and 1.8mm respectively and an arc of 0.4mm between the two sides, the thickness of the second pin (22) is 0.4mm, the left and right lengths of the TO-263 body (21) are the same as the left and right lengths of the holding slot (12), the front and back lengths of the holding slot (12) are the same as the total length of the TO-263 body (21) and the second pin (22), the thickness of the TO-263 body (21) is the same as the upper and lower heights of the holding slot (12), the second pin (22) is fully inserted into and fits inside the contact slot (17), and the contact slot (17) is electrically connected to the first pin (13).
2. The TO-263 to TO-220 package test socket according to claim 1, characterized in that: A fixing plate (14) is hinged on the top of the outer shell (11), and the fixing plate (14) is attached to the top of the outer shell (11).
3. The TO-263 to TO-220 package test socket according to claim 2, characterized in that: The bottom of the fixing plate (14) is attached to the top of the outer shell (11) and to the top of the TO-263 body (21).
4. The TO-263 to TO-220 package test socket according to claim 3, characterized in that: Buckles (15) are fixedly mounted on both the left and right sides of the fixing plate (14), and slots (16) are provided on both the left and right sides of the outer shell (11), and the buckles (15) are snap-fitted inside the slots (16).
5. The TO-263 to TO-220 package test socket according to claim 4, characterized in that: The middle portion of the buckle (15) is fixedly connected to the fixing plate (14), and the top of the buckle (15) is higher than the top of the fixing plate (14).