CN203617273U - Lead frame convenient for being positioned and installed - Google Patents
Lead frame convenient for being positioned and installed Download PDFInfo
- Publication number
- CN203617273U CN203617273U CN201320700129.4U CN201320700129U CN203617273U CN 203617273 U CN203617273 U CN 203617273U CN 201320700129 U CN201320700129 U CN 201320700129U CN 203617273 U CN203617273 U CN 203617273U
- Authority
- CN
- China
- Prior art keywords
- lead
- lead frame
- location
- convenient
- dowel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Lead Frames For Integrated Circuits (AREA)
Abstract
The utility model discloses a lead frame convenient for positioned and installed, which is formed by connecting lead frame units (1) in a single row through connecting ribs I (2-1) and connecting ribs II (2-2), the lead frame unit (1) comprises a lead head (3) and lead pins, the lead head (3) comprises a chip loading area (4) and a heat radiation piece (5), the heat radiation piece (5) is provided with a positioning and installing hole I (6-1), the ratio of the area of the heat radiation piece (5) and the area of the chip loading area (4) is 3:1, the lead pins comprise a middle lead pin (7) and side lead pins (8), the middle lead pin (7) is fixedly connected with the lead head (3), the upper part of the side lead pin (8) is provided with a bonding portion (9), the bonding portion (9) is identical to the chip loading area (4) in width, and connecting rib II (2-2) is provided with an installing hole II (6-2). The lead frame disclosed by the utility model is simple in structure, convenient to be positioned and installed, and convenient for bonding a plurality of wires.
Description
Technical field
The utility model is specifically related to lead frame, is particularly convenient to the lead frame of location and installation.
Background technology
Along with the development of electron trade, semiconductor device adopts the more and more many of Plastic Package form, this just need to adapt to the lead frame of various different model plastic devices, and lead frame must adapt to the requirement of heat radiation, conduction and the carrying high-power chip of epoxy seal semiconductor device.In actual applications, lead frame sometimes needs to beat many with silk in the time breaking silk.
Utility model content
Problem to be solved in the utility model is to provide to be a kind ofly simple in structurely convenient to location and installation and to be suitable for beating many lead frames with silk.
For addressing the above problem, the technical scheme that the utility model provides is: the lead frame of being convenient to location and installation, pass through dowel one by lead frame unit, dowel two is single to be connected to form, described lead frame unit comprises lead riser and terminal pin, described lead riser comprises slide glass district and fin, described fin is provided with location and installation hole one, described fin area: slide glass district area=3:1, described terminal pin comprises middle leads pin and side terminal pin, described middle leads pin is fixedly connected with lead riser, described side terminal pin top is provided with bonding part, described bonding part height is consistent with the width in slide glass district, described dowel two is provided with location and installation hole two.
As the further improvement of utility model, described bonding part is L shaped, and the height of described bonding part is 2.87mm.The width of described dowel one is 1.13mm, and the width of described dowel two is 2.8mm.The distance of described adjacent positioned installing hole two is: 4.3-4.5mm.
The utility model compared with prior art has the following advantages.
(1), be convenient to the lead frame of location and installation, pass through dowel one by lead frame unit, dowel two is single to be connected to form, described lead frame unit comprises lead riser and terminal pin, described lead riser comprises slide glass district and fin, described fin is provided with location and installation hole one, described fin area: slide glass district area=3:1, described terminal pin comprises middle leads pin and side terminal pin, described middle leads pin is fixedly connected with lead riser, described side terminal pin top is provided with bonding part, described bonding part height is consistent with the width in slide glass district, described dowel two is provided with location and installation hole two.The utility model suitability for industrialized production of being convenient to simple in structure, the lead riser part ear that do not go between is convenient to processing, and aperture, location and installation hole is strengthened and is convenient to location and installation, and bonding part strengthens to be convenient to beat multi-filament, is adapted to the specific (special) requirements of particular client.
(2), described bonding part is L shaped, the height of described bonding part is 2.87mm.The width of described dowel one is 1.13mm, and the width of described dowel two is 2.8mm.The distance in described adjacent positioned hole is 4.3-4.5mm.The shape of bonding part of the present utility model is suitable for lead frame and installs and uses.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is convenient to the lead frame of location and installation.
In figure: 1-lead frame unit, 2-1 dowel one, 2-2 dowel two, 3-lead riser, 4-slide glass district, 5-fin, 6-1 location and installation hole one, 6-2 location and installation hole two, 7-middle leads pin, 8-side terminal pin, 9-bonding part.
Embodiment
Below in conjunction with drawings and Examples, the utility model is improved further to explanation.
As shown in Figure 1, be convenient to the lead frame of location and installation, pass through dowel one 2-1 by lead frame unit 1, single the connecting to form of dowel two 2-2, lead frame unit 1 comprises lead riser 3 and terminal pin, lead riser 3 comprises slide glass district 4 and fin 5, fin 5 is provided with location and installation hole one 6-1, fin 5 areas: slide glass district 4 areas=3:1, terminal pin comprises middle leads pin 7 and side terminal pin 8, middle leads pin 7 is fixedly connected with lead riser 3, side terminal pin 8 tops are provided with bonding part 9, bonding part 9 height are consistent with the width in slide glass district 4, dowel two 2-2 are provided with location and installation hole two 6-2.Bonding part 9 is L shaped, and the height of bonding part 9 is 2.87mm.The width of dowel one 2-1 is 1.13mm, and the width of dowel two 2-2 is 2.8mm.
The distance of adjacent positioned installing hole two 6-2 is 4.4mm.
Teachings herein is example of the present utility model and explanation; but do not mean that the obtainable advantage of the utility model is so limited, may be to wherein one or more of the advantage realizing in the simple transformation of structure and/or some execution modes all in the application's protection range in every the utility model practice process.
Claims (4)
1. be convenient to the lead frame of location and installation, pass through dowel one (2-1) by lead frame unit (1), single the connecting to form of dowel two (2-2), it is characterized in that: described lead frame unit (1) comprises lead riser (3) and terminal pin, described lead riser (3) comprises slide glass district (4) and fin (5), described fin (5) is provided with location and installation hole one (6-1), described fin (5) area: slide glass district (4) area=3:1, described terminal pin comprises middle leads pin (7) and side terminal pin (8), described middle leads pin (7) is fixedly connected with lead riser (3), described side terminal pin (8) top is provided with bonding part (9), described bonding part (9) height is consistent with the width of slide glass district (4), described dowel two (2-2) is provided with location and installation hole two (6-2).
2. the lead frame of being convenient to location and installation according to claim 1, is characterized in that: described bonding part (9) is for L shaped, and the height of described bonding part (9) is 2.87mm.
3. the lead frame of being convenient to location and installation according to claim 1, is characterized in that: the width of described dowel one (2-1) is 1.13mm, and the width of described dowel two (2-2) is 2.8mm.
4. the lead frame of being convenient to location and installation according to claim 1, is characterized in that: the distance of described adjacent positioned installing hole two (6-2) is: 4.3-4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700129.4U CN203617273U (en) | 2013-11-08 | 2013-11-08 | Lead frame convenient for being positioned and installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700129.4U CN203617273U (en) | 2013-11-08 | 2013-11-08 | Lead frame convenient for being positioned and installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617273U true CN203617273U (en) | 2014-05-28 |
Family
ID=50769899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700129.4U Expired - Fee Related CN203617273U (en) | 2013-11-08 | 2013-11-08 | Lead frame convenient for being positioned and installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617974A (en) * | 2013-11-08 | 2014-03-05 | 张轩 | Positioning and mounting-facilitating lead frame |
-
2013
- 2013-11-08 CN CN201320700129.4U patent/CN203617273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617974A (en) * | 2013-11-08 | 2014-03-05 | 张轩 | Positioning and mounting-facilitating lead frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20161108 |