CN111261407A - Three-terminal ceramic capacitor and use method thereof - Google Patents
Three-terminal ceramic capacitor and use method thereof Download PDFInfo
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- CN111261407A CN111261407A CN202010196175.XA CN202010196175A CN111261407A CN 111261407 A CN111261407 A CN 111261407A CN 202010196175 A CN202010196175 A CN 202010196175A CN 111261407 A CN111261407 A CN 111261407A
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- welding
- leading
- ceramic capacitor
- capacitor
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- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 98
- 239000003990 capacitor Substances 0.000 claims abstract description 89
- 238000005538 encapsulation Methods 0.000 claims 3
- 238000004806 packaging method and process Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/236—Terminals leading through the housing, i.e. lead-through
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/003—Apparatus or processes for encapsulating capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/006—Apparatus or processes for applying terminals
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention provides a three-terminal ceramic capacitor, which comprises a welding frame and capacitor chips, wherein the welding frame comprises a first pin part, a second pin part and a third pin part, the first pin part comprises a first welding part and a first leading-out end, the second pin part comprises a second welding part and a second leading-out end, the third pin part comprises a third welding part and a third leading-out end, the first welding part and the second welding part are arranged at intervals relatively, the third welding part is arranged at intervals with the first welding part and the second welding part respectively, a plurality of capacitor chips are welded between the first welding part and the third welding part, and a plurality of capacitor chips are welded between the second welding part and the third welding part. The invention also provides a use method of the three-terminal ceramic capacitor. The invention can obtain different capacitance by selecting different leading-out terminals as two poles of the capacitor, and can be suitable for more occasions.
Description
Technical Field
The invention relates to a three-terminal ceramic capacitor and a using method thereof.
Background
The ceramic capacitor generally includes a solder frame and a capacitor chip soldered on the solder frame, and in the prior art, the solder frame has only two terminals, i.e., two poles of the ceramic capacitor. The capacitance of the ceramic capacitor is fixed, namely, one ceramic capacitor can only be suitable for a specific occasion, but can not be suitable for occasions needing capacitance conversion.
Disclosure of Invention
The invention aims to provide a three-terminal ceramic capacitor and a using method thereof aiming at the defects of the prior art, different capacitances can be obtained by selecting different leading-out terminals as two electrodes of the capacitor, and the three-terminal ceramic capacitor can be suitable for more occasions.
The invention is realized by the following technical scheme:
the utility model provides a three-terminal ceramic capacitor, including welding frame and capacitor chip, welding frame includes first pin portion, second pin portion and third pin portion, first pin portion includes first weld part and the first end of drawing forth, second pin portion includes that second weld part and second draw forth the end, the third pin portion includes that third weld part and third draw forth the end, it is first, the relative interval arrangement of second weld part, the third weld part respectively with first, second weld part interval arrangement, it is first, the welding has a plurality of capacitor chip between the third weld part, and second, the welding has a plurality of capacitor chip between the third weld part.
Furthermore, the first welding part comprises two first welding strips which are arranged at intervals, and the first leading-out end is connected with the upper ends of the two first welding strips respectively; the second welding part comprises two second welding strips which are arranged at intervals, and the second leading-out end is connected with the lower ends of the two second welding strips respectively.
Furthermore, the third welding part comprises a third welding strip, the upper section and the lower section of the third welding strip are respectively arranged between the two first welding strips and the two second welding strips, and a third leading-out end is connected with the third welding strip and extends out of the first welding part and the second welding part.
Further, the capacitor chip is welded to both surfaces of the first, second, and third welding portions.
Furthermore, the first leading-out end and the second leading-out end are led out after being connected in a conducting mode.
Furthermore, first inclined plates which incline outwards are arranged between the first leading-out end and the upper ends of the two first welding strips; and a second inclined plate which inclines outwards is arranged between the second leading-out end and the lower ends of the second welding strips.
Further, the third leading-out end is perpendicular to the third welding strip.
Furthermore, the packaging structure also comprises a packaging shell, the first welding strip, the second welding strip and the third welding strip are arranged in the packaging shell, and the first leading-out end, the second leading-out end and the third leading-out end penetrate out of the packaging shell.
The invention is also realized by the following technical scheme:
a method for using a three-terminal ceramic capacitor, the ceramic capacitor has two poles, and a first leading-out terminal and a second leading-out terminal are used as the two poles of the ceramic capacitor; or the first leading-out terminal and the third leading-out terminal are used as two poles of the ceramic capacitor; or the second leading-out terminal and the third leading-out terminal are used as two poles of the ceramic capacitor; or the first leading-out end and the second leading-out end are led out after being conductively connected and then are used as two poles of the ceramic capacitor together with the third leading-out end.
The invention has the following beneficial effects:
1. the invention has three leading-out ends of a first leading-out end, a second leading-out end and a third leading-out end, the first leading-out end and the second leading-out end or the first leading-out end and the third leading-out end or the second leading-out end and the third leading-out end are respectively used as two poles of a ceramic capacitor, and different capacitances can be obtained by matching the capacitance of a capacitor chip.
2. The first leading-out end and the second leading-out end are connected in a conducting mode and led out, then the first leading-out end and the third leading-out end are used as two poles of the ceramic capacitor, another capacitance can be obtained, and the universality is further enhanced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a soldering frame of a ceramic capacitor according to the present invention.
Fig. 2 is a schematic structural view (front surface) of the ceramic capacitor of the present invention.
FIG. 3 is a schematic view (back side) of the structure of the ceramic capacitor according to the present invention.
Wherein, 1, a first pin part; 11. a first welding bar; 12. a first lead-out terminal; 13. a first sloping plate; 2. a second lead portion; 21. a second weld bar; 22. a second lead-out terminal; 23. a second swash plate; 3. a third lead part; 31. a third weld bar; 32. a third lead-out terminal; 41-416, a capacitor chip; 5. and (6) packaging the shell.
Detailed Description
The ceramic capacitor has two poles, and when in use, two poles of the ceramic capacitor need to be connected into a circuit, as shown in fig. 1 to 3, the three-terminal ceramic capacitor includes a package case 5, a solder frame, a capacitor chip 41, a capacitor chip 42, a capacitor chip 43, a capacitor chip 44, a capacitor chip 45, a capacitor chip 46, a capacitor chip 47, a capacitor chip 48, a capacitor chip 49, a capacitor chip 410, a capacitor chip 411, a capacitor chip 412, a capacitor chip 413, a capacitor chip 414, a capacitor chip 415, and a capacitor chip 416. The welding frame comprises a first pin part 1, a second pin part 2 and a third pin part 3, wherein the first pin part 1 comprises a first welding part and a first leading-out end 12, the second pin part 2 comprises a second welding part and a second leading-out end 22, the third pin part 3 comprises a third welding part and a third leading-out end 32, the first welding part and the second welding part are arranged at intervals relatively, and the third welding part is respectively arranged at intervals with the first welding part and the second welding part. The capacitor chip 41, the capacitor chip 42, the capacitor chip 43 and the capacitor chip 44 are welded between the front faces of the first welding part and the third welding part, the capacitor chip 49, the capacitor chip 410, the capacitor chip 411 and the capacitor chip 412 are welded between the back faces of the first welding part and the third welding part, the capacitor chip 45, the capacitor chip 46, the capacitor chip 47 and the capacitor chip 48 are welded between the front faces of the second welding part and the third welding part, and the capacitor chip 413, the capacitor chip 414, the capacitor chip 415 and the capacitor chip 416 are welded between the back faces of the second welding part and the third welding part.
First welding part includes two first welding strips 11 of interval arrangement, and first leading-out end 12 is connected with two first welding strip 11 upper ends respectively, all is provided with the first swash plate 13 that leans out between first leading-out end 12 and two first welding strip 11 upper ends. The second welding portion includes two second welding strips 21 of interval arrangement, and the second is drawn forth end 22 and is connected with two second welding strip 21 lower extremes respectively, and the second is drawn forth and all is provided with the second swash plate 23 that leans out between end 22 and the two second welding strip 21 lower extremes. The third welding part comprises a third welding strip 31, a third leading-out end 32 is vertically connected with the middle part of the third welding strip 31 and extends out from the interval between the first welding part and the second welding part, and the upper section and the lower section of the third welding strip 31 are respectively arranged between the two first welding strips 11 and the two second welding strips 21.
The first bonding strip 11, the second bonding strip 21, the third bonding strip 31 and each capacitor chip are disposed in the package case 5, and the first lead-out terminal 12, the second lead-out terminal 22 and the third lead-out terminal 32 are led out from the package case 5.
In another embodiment, the first terminal 12 and the second terminal 22 can be electrically connected and then led out, and the third terminal 32 can be used as two poles of the ceramic capacitor.
A method of using a three-terminal ceramic capacitor, comprising:
the first and second terminals 12 and 22 are used as two poles of the ceramic capacitor, and the equivalent capacitance of the ceramic capacitor is: a capacitor a is connected in series with a capacitor B, wherein the capacitor a is equivalent to the capacitance of the capacitor chip 41, the capacitor chip 42, the capacitor chip 43, the capacitor chip 44, the capacitor chip 49, the capacitor chip 410, the capacitor chip 411 and the capacitor chip 412 connected in parallel, and the capacitor B is equivalent to the capacitance of the capacitor chip 45, the capacitor chip 46, the capacitor chip 47, the capacitor chip 48, the capacitor chip 413, the capacitor chip 414, the capacitor chip 415 and the capacitor chip 416 connected in parallel;
the first and third terminals 12 and 32 are used as two poles of the ceramic capacitor, and the equivalent capacitance of the ceramic capacitor is: capacitance of the capacitor chip 41, the capacitor chip 42, the capacitor chip 43, the capacitor chip 44, the capacitor chip 49, the capacitor chip 410, the capacitor chip 411, and the capacitor chip 412 connected in parallel;
taking the second and third terminals 22 and 32 as the two poles of the capacitor, the equivalent capacitance of the ceramic capacitor is: capacitance of the capacitor chip 45, the capacitor chip 46, the capacitor chip 47, the capacitor chip 48, the capacitor chip 413, the capacitor chip 414, the capacitor chip 415, and the capacitor chip 416 after being connected in parallel;
the first lead-out terminal 12 and the second lead-out terminal 22 are short-circuited (i.e. conductively connected) and then led out, and then the third lead-out terminal 32 is used as two poles of the capacitor, in this case, the equivalent capacitance of the ceramic capacitor is: capacitor chip 41-capacitor chip 416.
Here, since the ceramic capacitor does not have polarity, the "two poles of the ceramic capacitor" described in the present invention means two poles having no positive or negative polarity.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (9)
1. A three-terminal ceramic capacitor characterized in that: including welding frame and capacitor chip, welding frame includes first pin portion, second pin portion and third pin portion, first pin portion includes that first weld part and first lead-out end, second pin portion includes that second weld part and second lead-out end, third pin portion includes that third weld part and third lead-out end, it is first, the relative interval arrangement of second weld part, the third weld part respectively with first, second weld part interval arrangement, it is first, the welding has a plurality of capacitor chip between the third weld part, and second, the welding has a plurality of capacitor chip between the third weld part.
2. A three-terminal ceramic capacitor as claimed in claim 1, wherein: the first welding part comprises two first welding strips which are arranged at intervals, and the first leading-out ends are respectively connected with the upper ends of the two first welding strips; the second welding part comprises two second welding strips which are arranged at intervals, and the second leading-out end is connected with the lower ends of the two second welding strips respectively.
3. A three-terminal ceramic capacitor as claimed in claim 2, wherein: the third welding part comprises a third welding strip, the upper section and the lower section of the third welding strip are respectively arranged between the two first welding strips and the two second welding strips, and the third leading-out end is connected with the third welding strip and extends out of the first welding part and the second welding part.
4. A three-terminal ceramic capacitor as claimed in claim 1, 2 or 3, wherein: the capacitor chip is welded on two surfaces of the first welding part, the second welding part and the third welding part.
5. A three-terminal ceramic capacitor as claimed in claim 1, 2 or 3, wherein: and the first leading-out end and the second leading-out end are led out after being connected in a conductive manner.
6. A three-terminal ceramic capacitor as claimed in claim 2 or 3, characterized in that: first inclined plates inclining outwards are arranged between the first leading-out ends and the upper ends of the two first welding strips; and a second inclined plate which inclines outwards is arranged between the second leading-out end and the lower ends of the second welding strips.
7. A three-terminal ceramic capacitor as claimed in claim 3, wherein: and the third leading-out end is vertically arranged with the third welding strip.
8. A three-terminal ceramic capacitor as claimed in claim 3, wherein: still include the encapsulation shell, first, second and third welding strip set up in the encapsulation shell, first, second and third are drawn forth the end and are worn out from the encapsulation shell.
9. A method for using a three-terminal ceramic capacitor, the ceramic capacitor having two poles, characterized in that: the first leading-out terminal and the second leading-out terminal are used as two poles of the ceramic capacitor; or the first leading-out terminal and the third leading-out terminal are used as two poles of the ceramic capacitor; or the second leading-out terminal and the third leading-out terminal are used as two poles of the ceramic capacitor; or the first leading-out end and the second leading-out end are led out after being conductively connected and then are used as two poles of the ceramic capacitor together with the third leading-out end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196175.XA CN111261407A (en) | 2020-03-19 | 2020-03-19 | Three-terminal ceramic capacitor and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196175.XA CN111261407A (en) | 2020-03-19 | 2020-03-19 | Three-terminal ceramic capacitor and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111261407A true CN111261407A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196175.XA Pending CN111261407A (en) | 2020-03-19 | 2020-03-19 | Three-terminal ceramic capacitor and use method thereof |
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| Country | Link |
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| CN (1) | CN111261407A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000071A1 (en) * | 2001-05-24 | 2005-01-06 | David Huntington | Manufacture of solid state electornic components |
| CN201984961U (en) * | 2011-01-10 | 2011-09-21 | 福建火炬电子科技股份有限公司 | Ceramic capacitor with multiple core assemblies |
| CN202394718U (en) * | 2011-11-17 | 2012-08-22 | 福建火炬电子科技股份有限公司 | Three-dimensional stacked ceramic capacitor |
| CN110111998A (en) * | 2019-04-24 | 2019-08-09 | 福建火炬电子科技股份有限公司 | The encapsulating pulse power capacitor device and its application method of changeable capacity |
| CN211319944U (en) * | 2020-03-19 | 2020-08-21 | 福建火炬电子科技股份有限公司 | Three-terminal ceramic capacitor |
-
2020
- 2020-03-19 CN CN202010196175.XA patent/CN111261407A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000071A1 (en) * | 2001-05-24 | 2005-01-06 | David Huntington | Manufacture of solid state electornic components |
| CN201984961U (en) * | 2011-01-10 | 2011-09-21 | 福建火炬电子科技股份有限公司 | Ceramic capacitor with multiple core assemblies |
| CN202394718U (en) * | 2011-11-17 | 2012-08-22 | 福建火炬电子科技股份有限公司 | Three-dimensional stacked ceramic capacitor |
| CN110111998A (en) * | 2019-04-24 | 2019-08-09 | 福建火炬电子科技股份有限公司 | The encapsulating pulse power capacitor device and its application method of changeable capacity |
| CN211319944U (en) * | 2020-03-19 | 2020-08-21 | 福建火炬电子科技股份有限公司 | Three-terminal ceramic capacitor |
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