CN207353093U - A kind of capacitor and electronic equipment for surface mounting technology - Google Patents
A kind of capacitor and electronic equipment for surface mounting technology Download PDFInfo
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- CN207353093U CN207353093U CN201721785614.0U CN201721785614U CN207353093U CN 207353093 U CN207353093 U CN 207353093U CN 201721785614 U CN201721785614 U CN 201721785614U CN 207353093 U CN207353093 U CN 207353093U
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Abstract
The utility model embodiment is related to capacitor area, and more particularly to a kind of capacitor and electronic equipment applied to surface mounting technology, capacitor includes：Shell, capacitance main body, the first pin and second pin；The capacitance main body is contained in shell, capacitance main body is fixed in described first pin one end, the other end of first pin is arranged on housing exterior and maintains an equal level with outer casing bottom, capacitance main body is fixed in described second pin one end, and the other end of the second pin is arranged on outer casing bottom and maintains an equal level with outer casing bottom.By the above-mentioned means, the utility model embodiment can realize the function of chip capacitor, and it is more applied widely than conventional chip capacitor.
Description
Technical field
The utility model embodiment is related to semicoductor capacitor technical field, is used for surface mounting technology more particularly to one kind
Capacitor and electronic equipment.
Background technology
Surface mounting technology, is exactly SMT (abbreviation of Surface Mounted Technology), is current Electronic Assemblies
Most popular a kind of technology and technique in industry.And patch capacitor is a kind of capacitance material, it is mainly used for surface mounting technology.Patch
Chip capacitor full name is：Multilayer (lamination, lamination) chip ceramic capacitor, also referred to as patch capacitor, piece hold.
But inventor is in the process of implementing the utility model, it is found that there are problems with for the prior art：Traditional
In patch capacitor, i.e. multiple-layered patches safety ceramic capacitor, intensity is poor, and lamella is easily broken, and capacitor just loses after cracking
Effect or function loss, and the reactance voltage ability of traditional safety ceramic capacitor is poor, may be only available for mobile phone, digital production
On product, use scope is small.
Utility model content
The utility model embodiment mainly solving the technical problems that provide a kind of capacitor for surface mounting technology,
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is：A kind of capacitance is provided
Device, applied to surface mounting technology, it is characterised in that including：Shell, capacitance main body, the first pin and second pin；It is described
Capacitance main body is contained in shell, and capacitance main body is fixed in described first pin one end, and the other end of first pin is arranged on outer
Maintain an equal level outside shell and with outer casing bottom, capacitance main body is fixed in described second pin one end, and the other end of the second pin is set
Maintain an equal level in outer casing bottom and with outer casing bottom.
Alternatively, the shell includes top shell portion and is connected to the bottom shell portion in top shell portion；The top shell portion
Outer contour be cuboid, the outer contour in the bottom shell portion is identical with top shell portion, the bottom shell portion with top shell
The side that portion is connected is equipped with first through hole, and the bottom shell portion is equipped with the second through hole away from the side of first through hole, and described the
The position of one through hole is corresponding with the position of the second through hole.
Alternatively, the bottom in the bottom shell portion is equipped with the first groove body, the bottom shell portion close to the position of first through hole
Bottom be equipped with the second groove body close to the position of the second through hole.
Alternatively, the capacitance main body is single-layer ceramic capacitor, including first electrode, second electrode and ceramics are situated between
Matter；The outer contour of the ceramic dielectric is cylinder, and the first electrode and second electrode are embedded in two bottoms of cylinder respectively
Face.
Alternatively, the first electrode and second electrode are using copper material or silver-colored material.
Alternatively, the ceramic dielectric uses BaTiO3Material.
Alternatively, first pin includes the first connection sheet, the second connection sheet, the 3rd connection sheet, the 4th connection sheet, the
Five connection sheets, the 6th connection sheet and the 7th connection sheet；The side of second connection sheet extends the first connection sheet, and described
Two connection sheets are extended with the 3rd connection sheet, the extension of first connection sheet and the 3rd connection sheet away from the side of the first connection sheet
Direction is opposite；3rd connection sheet is extended with the 4th connection sheet away from the side of the second connection sheet, the 4th connection sheet with
Second connection sheet is located at the same side of the 3rd connection sheet；4th connection sheet is extended with the 5th away from the side of the 3rd connection sheet
Connection sheet, the extending direction of the 5th connection sheet are opposite with the extending direction of the 3rd connection sheet；5th connection sheet deviates from
The side of 4th connection sheet is extended with the 6th connection sheet, the extending direction of the 6th connection sheet and the extension side of the 4th connection sheet
To opposite；6th connection sheet is extended with the 7th connection sheet away from the side of the 5th connection sheet, and the 7th connection sheet is prolonged
It is identical with the extending direction of the 5th connection sheet to stretch direction；First connection sheet is fixed on away from the one side fitting of the 3rd connection sheet
Capacitance main body.
Alternatively, the second pin include the 8th connection sheet, the 9th connection sheet, the tenth connection sheet, the tenth a connecting piece,
12nd connection sheet, the 13rd connection sheet and the 14th connection sheet；The side extension of 9th connection sheet is connected with the 8th
Piece, the 8th connection sheet are extended with the tenth connection sheet away from the side of the 7th connection sheet, and the 8th connection sheet connects with the tenth
The extending direction of contact pin is opposite；Tenth connection sheet is extended with the tenth a connecting piece away from the side of the 9th connection sheet, described
Tenth a connecting piece and the 9th connection sheet are located at the same side of the tenth connection sheet；Described tenth a connecting piece deviates from the tenth connection sheet
Side be extended with the 12nd connection sheet, the extending direction and the extending direction phase of the tenth connection sheet of the 12nd connection sheet
Instead；12nd connection sheet is extended with the 13rd connection sheet, the 13rd connection sheet away from the side of the tenth a connecting piece
Extending direction it is identical with the extending direction of the tenth a connecting piece；13rd connection sheet deviates from the side of the 12nd connection sheet
The 14th connection sheet is extended with, the extending direction of the 14th connection sheet is identical with the extending direction of the 12nd connection sheet；Institute
Capacitance main body is fixed in the one side fitting that the 8th connection sheet is stated away from the tenth connection sheet.
Alternatively, first pin and second pin use tinning steel-in-copper piece.
A kind of electronic equipment, the electronic equipment include capacitor as described above.
The beneficial effect of the utility model embodiment is：The situation of the prior art is different from, the utility model embodiment
A kind of capacitor, applied to surface mounting technology, it is characterised in that including：Shell, capacitance main body, the first pin and second
Pin；The capacitance main body is contained in shell, and capacitance main body is fixed in described first pin one end, first pin it is another
End maintains an equal level arranged on housing exterior and with outer casing bottom, and capacitance main body is fixed in described second pin one end, the second pin
The other end is arranged on outer casing bottom and maintains an equal level with outer casing bottom.By the above-mentioned means, the utility model embodiment can realize patch
The function of chip capacitor device, and it is more applied widely than conventional chip capacitor.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not formed to embodiment, the element for having same reference numbers label in attached drawing are expressed as similar element, remove
Non- have a special statement, and composition does not limit the figure in attached drawing.
Fig. 1 is the structure diagram of the capacitor of the utility model embodiment；
Fig. 2 is the diagrammatic cross-section of the capacitor of the utility model embodiment；
Fig. 3 is the structure diagram of first pin of the utility model embodiment；
Fig. 4 is the structure diagram of the second pin of the utility model embodiment.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Above or therebetween there may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can
To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used
Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, the skill of technical and scientific term all used in this specification with belonging to the utility model
The normally understood implication of technical staff in art field is identical.In the art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Term used in this specification
"and/or" includes the arbitrary and all combination of one or more relevant Listed Items.
Please refer to Fig.1 and Fig. 2, the utility model embodiment provide a kind of capacitor 100, the capacitor 100 includes outer
Shell 10, capacitance main body 20, the first pin 30 and second pin 40, capacitance main body 20 are contained in shell 10, first pin
Capacitance main body 20 is fixed in 30 one end, and the other end is arranged on outside shell 10, and capacitance main body is fixed in described 40 one end of second pin
20, the other end is arranged on outside shell 10.
Referring back to Fig. 1 and Fig. 2, above-mentioned shell 10 includes top shell portion 101 and is connected to the bottom in top shell portion 101
Shell portion 102, the outer contour substantially cuboid in the top shell portion 101, the general shape of the outer contour in the bottom shell portion 102
Similar with top shell portion 101, the side being connected with top shell portion 101 in the bottom shell portion 102 is equipped with first through hole 103,
The bottom shell portion 102 is equipped with the second through hole 104 away from the side of first through hole 103, the position of the first through hole 103 and the
The position of two through holes 104 is corresponding, and the bottom 107 in the bottom shell portion 102 is equipped with the first groove close to the side of first through hole 103
Body 105, the bottom 107 in the bottom shell portion 102 are equipped with the second groove body 106 close to the side of the second through hole 104.
In the present embodiment, the shell 10 for injection molding packaging mode by capacitance main body 20, one of the first pin 30
Divide and a part for second pin 40 is contained in inside shell 10, inner cavity and capacitance main body 20, first of the shell 10 are drawn
A part for foot 30 and a part for second pin 40 do not have gap, the volume of capacitor 100 is reduced as much as possible.
Further, the material of the shell 10 meets fire-protection rating UL94.Flammable UL94 grades are most widely used
The flammable performance standard of plastic material.Flammable UL94 is used for evaluating the ability that material extinguishes after being ignited.
Referring to Fig. 3, above-mentioned capacitance main body 20 is single-layer ceramic capacitor, it is usually the capacitance main body of plug-in unit capacitance, wraps
First electrode 201, second electrode 202 and ceramic dielectric 203 are included, the outer contour of the ceramic dielectric 203 is generally cylindrical body,
The first electrode 201 and second electrode 202 are circular foil member, and the first electrode 201 and second electrode 202 are distinguished
Embedded in two bottom surfaces of cylinder, the first electrode 201 is parallel to second electrode 202.
In the present embodiment, the first electrode 201 and second electrode 202 use copper material, can improve silver electrode
Point discharge and caused by failure, improve capacitor 100 reliability.
Alternatively, the first electrode 201 and second electrode are using silver-colored material.
In the present embodiment, the ceramic dielectric 203 uses BaTiO3Material, makes its dielectric constant higher.
Referring to Fig. 4, above-mentioned first pin 30 is made up of bullion piece of seaming operation, including the first connection sheet
301st, the second connection sheet 302, the 3rd connection sheet 303, the 4th connection sheet 304, the 5th connection sheet 305, the 6th connection sheet 306 and
7th connection sheet 307.
The side of second connection sheet 302 extends the first connection sheet 301, second connection sheet 302 it is opposite
Side is extended with the 3rd connection sheet 303, and the 3rd connection sheet 303 is parallel to the first connection sheet 301, and first connection sheet
301 and the 3rd connection sheet 303 be located at the not homonymy of the second connection sheet 302；3rd connection sheet 303 deviates from the second connection sheet
302 side is extended with the 4th connection sheet 304, and the 4th connection sheet 304 connects perpendicular to the 3rd connection sheet 303, the described 4th
304 and second connection sheet 302 of contact pin is located at 303 the same side of the 3rd connection sheet；4th connection sheet 304 deviates from the 3rd connection sheet
303 side is extended with the 5th connection sheet 305, and the 5th connection sheet 305 connects perpendicular to the 4th connection sheet 304, the described 5th
305 and the 3rd connection sheet 303 of contact pin is located at the not homonymy of the 4th connection sheet 304；5th connection sheet 305 is away from the 4th connection
The side of piece 304 is extended with the 6th connection sheet 306, and the 6th connection sheet 306 is perpendicular to the 5th connection sheet 305, and the described 6th
306 and the 4th connection sheet 304 of connection sheet is located at the not homonymy of the 5th connection sheet 305；6th connection sheet 306 connects away from the 5th
The side of contact pin 305 is extended with the 7th connection sheet 307, and the 7th connection sheet 307 is perpendicular to the 6th connection sheet 306, and described
Seven connection sheets 307 and the 5th connection sheet 305 are located at the same side of the 6th connection sheet 306.
Referring to Fig. 4, above-mentioned second pin 40 is made up of bullion piece of seaming operation, including the 8th connection sheet
401st, the 9th connection sheet 402, the tenth connection sheet 403, the tenth a connecting piece 404, the 12nd connection sheet 405, the 13rd connection sheet
406 and the 14th connection sheet 407.
The side of 9th connection sheet 402 extends the 8th connection sheet 401, the 9th connection sheet 402 it is opposite
Side is extended with the tenth connection sheet 403, and the tenth connection sheet 403 is parallel to the 8th connection sheet 401, and the 8th connection sheet
401 and the tenth connection sheet 403 be located at the not homonymy of the 9th connection sheet 402；Tenth connection sheet 403 deviates from the 9th connection sheet
402 side is extended with the tenth a connecting piece 404, and described tenth a connecting piece 404 is perpendicular to the tenth connection sheet 403, and described
Ten a connecting piece 404 and the 9th connection sheet 402 are located at the same side of the tenth connection sheet 403；Described tenth a connecting piece 404 deviates from
The side of tenth connection sheet 403 is extended with the 12nd connection sheet 405, and the 12nd connection sheet 405 is perpendicular to the 11st connection
Piece 404, the 12nd connection sheet 405 and the tenth connection sheet 403 are located at the not homonymy of the tenth a connecting piece 404；Described tenth
Two connection sheets 405 are extended with the 13rd connection sheet 406, the 13rd connection sheet 406 away from the side of the tenth a connecting piece 404
Perpendicular to the 12nd connection sheet 405, the 13rd connection sheet 406 and the tenth a connecting piece 404 are located at the 12nd connection sheet 405
The same side；13rd connection sheet 406 is extended with the 14th connection sheet 407 away from the side of the 12nd connection sheet 405, institute
The 14th connection sheet 407 is stated perpendicular to the 13rd connection sheet 406, the 14th connection sheet 407 and the 12nd connection sheet 405
In the same side of the 13rd connection sheet 406.
In the present embodiment, first pin 30 and second pin 40 use tinning steel-in-copper piece, possess it good
Good wetting welding effect.
During assembling, the capacitance main body 20 is contained in shell 10；First connection sheet 301 of first pin 30 is away from the
One end of two connection sheets 302 fits in the first electrode 201 of capacitance main body 20, the 8th connection sheet 401 of the second pin 40
Away from the fitting of one end of the 9th connection sheet 402 and the second electrode 202 of capacitance main body 20；5th connection of first pin 30
Piece 305 passes through first through hole 103, and the 6th connection sheet 206 is close to the bottom of shell 10 close to one end of the 5th connection sheet 205
The corresponding side in end housing portion 102, the 7th connection sheet 207 fit in the first groove body close to the side of the 5th connection sheet 205
105；12nd connection sheet 405 of the second pin 40 passes through the second through hole 104, and the 13rd connection sheet 406 is close to
One end of ten a connecting piece 404 is close to the corresponding side in the bottom shell portion 102 of shell 10, the 14th connection sheet 407
The second groove body 106 is fitted in close to the side of the tenth connection sheet 403.
In the present embodiment, the 7th connection sheet 307, the one side away from capacitance main body 20 of the 12nd connection sheet 405
Bottom 107 with the bottom shell portion 102 of shell 10 maintains an equal level.
In the present embodiment, first connection sheet 301 and first electrode 201 are using by the way of welding and capacitance main body 20
It is fixed, for reducing the first pin 30 and the impedance of first electrode 201；8th connection sheet 401 is with second electrode 202 using welding
Mode fix, for reducing the impedance of second pin 40 and second electrode 202.
In use, the bottom 107 of the 7th connection sheet 307 of capacitor 100, the 14th connection sheet 407 and shell 10 is pasted
Close and printed circuit plate surface is installed on using surface mounting technology.
The capacitor 100 it is compact-sized, space availability ratio is high, and package dimension is broadly divided into 3225 and 4,032 two kind,
Specifications parameter such as following table：
For the performance of the capacitor 100 compared with conventional chip ceramic capacitor device, 100 performance of capacitor is more excellent,
Capacitor 100 divides for I classes porcelain condenser and II class porcelain condensers, and the characterisitic parameter of I classes porcelain condenser and II class porcelain condensers is such as
Following table：
Compared with prior art, it is a kind of new by the way that the capacitance main body of plug-in unit capacitor is made up of the injection molding packaging of shell
Type has the function of the capacitor of patch, suitable for the capacitance main body voltage endurance capability ratio of surface installation technique, such as plug-in unit capacitance
Patch proof voltage ability is strong, so the capacitance can be applied to the industrial products such as Switching Power Supply, LED power, frequency converter, than routine
The patch scope of application it is wider.
In addition, the capacitor is applicable not only to the Reflow Soldering of surface installation technique, wave-soldering is also applied for.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas, are equally included in the patent within the scope of the utility model.
Claims (10)
- A kind of 1. capacitor, applied to surface mounting technology, it is characterised in that including：Shell, capacitance main body, the first pin with And second pin；The capacitance main body is contained in shell, and capacitance main body is fixed in described first pin one end, first pin it is another End maintains an equal level arranged on housing exterior and with outer casing bottom, and capacitance main body is fixed in described second pin one end, the second pin The other end is arranged on outer casing bottom and maintains an equal level with outer casing bottom.
- 2. capacitor according to claim 1, it is characterised in that the shell includes top shell portion and is connected to top The bottom shell portion in shell portion；The outer contour in the top shell portion is cuboid, and the outer contour in the bottom shell portion is identical with top shell portion, the bottom The side being connected with top shell portion in shell portion is equipped with first through hole, and the bottom shell portion is equipped with the away from the side of first through hole Two through holes, the position of the first through hole are corresponding with the position of the second through hole.
- 3. capacitor according to claim 2, it is characterised in that the bottom in the bottom shell portion is close to the position of first through hole The first groove body is installed, the bottom in the bottom shell portion is equipped with the second groove body close to the position of the second through hole；The other end of first pin fits in the first groove body；The other end of first pin fits in the second groove body.
- 4. capacitor according to claim 1, it is characterised in that the capacitance main body is single-layer ceramic capacitor, including First electrode, second electrode and ceramic dielectric；The outer contour of the ceramic dielectric is cylinder, and the first electrode and second electrode are embedded in two bottoms of cylinder respectively Face；The first electrode is connected to the first pin；The second electrode is connected to second pin.
- 5. capacitor according to claim 4, it is characterised in that the first electrode and second electrode using copper material or Silver-colored material.
- 6. capacitor according to claim 4, it is characterised in that the ceramic dielectric uses BaTiO3Material.
- 7. capacitor according to claim 1, it is characterised in that first pin includes the first connection sheet, the second company Contact pin, the 3rd connection sheet, the 4th connection sheet, the 5th connection sheet, the 6th connection sheet and the 7th connection sheet；The side of second connection sheet extends the first connection sheet, and second connection sheet is prolonged away from the side of the first connection sheet Stretching has the 3rd connection sheet, and first connection sheet is opposite with the extending direction of the 3rd connection sheet；3rd connection sheet is extended with the 4th connection sheet away from the side of the second connection sheet, and the 4th connection sheet connects with second Contact pin is located at the same side of the 3rd connection sheet；4th connection sheet is extended with the 5th connection sheet, the extension side of the 5th connection sheet away from the side of the 3rd connection sheet To opposite with the extending direction of the 3rd connection sheet；5th connection sheet is extended with the 6th connection sheet, the extension side of the 6th connection sheet away from the side of the 4th connection sheet To opposite with the extending direction of the 4th connection sheet；6th connection sheet is extended with the 7th connection sheet, the extension side of the 7th connection sheet away from the side of the 5th connection sheet To identical with the extending direction of the 5th connection sheet；First connection sheet is fixed on capacitance main body away from the one side fitting of the 3rd connection sheet.
- 8. capacitor according to claim 1, it is characterised in that the second pin includes the 8th connection sheet, the 9th company Contact pin, the tenth connection sheet, the tenth a connecting piece, the 12nd connection sheet, the 13rd connection sheet and the 14th connection sheet；Side extension and the 8th connection sheet of 9th connection sheet, the 8th connection sheet are prolonged away from the side of the 7th connection sheet Stretching has the tenth connection sheet, and the 8th connection sheet is opposite with the extending direction of the tenth connection sheet；Tenth connection sheet is away from the The side of nine connection sheets is extended with the tenth a connecting piece, and described tenth a connecting piece and the 9th connection sheet are located at the tenth connection sheet The same side；Described tenth a connecting piece is extended with the 12nd connection sheet away from the side of the tenth connection sheet, the 12nd connection sheet Extending direction is opposite with the extending direction of the tenth connection sheet；12nd connection sheet is extended with the 13rd connection sheet, the 13rd connection sheet away from the side of the tenth a connecting piece Extending direction it is identical with the extending direction of the tenth a connecting piece；13rd connection sheet is extended with the 14th connection sheet, the 14th connection sheet away from the side of the 12nd connection sheet Extending direction it is identical with the extending direction of the 12nd connection sheet；8th connection sheet is fixed on capacitance main body away from the one side fitting of the tenth connection sheet.
- 9. according to claim 1 or 7 or 8 any one of them capacitors, it is characterised in that first pin and second pin Use tinning steel-in-copper piece.
- 10. a kind of electronic equipment, it is characterised in that the electronic equipment includes claim 1 to 9 any one of them capacitance Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785614.0U CN207353093U (en) | 2017-12-19 | 2017-12-19 | A kind of capacitor and electronic equipment for surface mounting technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785614.0U CN207353093U (en) | 2017-12-19 | 2017-12-19 | A kind of capacitor and electronic equipment for surface mounting technology |
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| Publication Number | Publication Date |
|---|---|
| CN207353093U true CN207353093U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721785614.0U Active CN207353093U (en) | 2017-12-19 | 2017-12-19 | A kind of capacitor and electronic equipment for surface mounting technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483027A (en) * | 2022-09-27 | 2022-12-16 | 成都宏明电子股份有限公司 | Surface-mounted film capacitor capable of positioning capacitor core group through lead-out sheet |
-
2017
- 2017-12-19 CN CN201721785614.0U patent/CN207353093U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483027A (en) * | 2022-09-27 | 2022-12-16 | 成都宏明电子股份有限公司 | Surface-mounted film capacitor capable of positioning capacitor core group through lead-out sheet |
| CN115483027B (en) * | 2022-09-27 | 2023-07-14 | 成都宏明电子股份有限公司 | Surface-mounted film capacitor capable of positioning capacitor core group through lead-out sheet |
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