CN113921281A - High-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor - Google Patents
High-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor Download PDFInfo
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- CN113921281A CN113921281A CN202111054149.4A CN202111054149A CN113921281A CN 113921281 A CN113921281 A CN 113921281A CN 202111054149 A CN202111054149 A CN 202111054149A CN 113921281 A CN113921281 A CN 113921281A
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- capacitor
- aluminum foil
- frequency low
- electrolytic capacitor
- temperature
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- 239000003990 capacitor Substances 0.000 title claims abstract description 70
- 238000005192 partition Methods 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 45
- 229910052782 aluminium Inorganic materials 0.000 claims description 45
- 239000011888 foil Substances 0.000 claims description 35
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000005030 aluminium foil Substances 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention relates to the field of capacitors, in particular to a high-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor. The high-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor comprises a bottom shell, an electrode assembly, a capacitor core package and an electric connection assembly, wherein a top cover is arranged at the top of the bottom shell, the electrode assembly is arranged inside the top cover, the capacitor core packages are arranged inside the bottom shell at equal intervals, a partition plate is arranged between the capacitor core packages, the tops of the capacitor core packages are connected with the electric connection assembly, and the electric connection assembly is connected with the electrode assembly. In addition, the electric connection assembly is hard fixed, and the capacitor core packages are connected in parallel to form a path through the extrusion contact of the electric connection assembly and the electrode assembly, so that the early assembly and the later maintenance are convenient.
Description
Technical Field
The invention relates to the field of capacitors, in particular to a high-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor.
Background
The capacitor plays an important role in circuits such as tuning, bypassing, coupling, filtering and the like, and the capacitor is formed by two conductors which are close to each other and a layer of non-conductive insulating medium which is sandwiched between the two conductors. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge.
The conventional capacitor adopts an independent core bag for energy storage, and although the independent core bag has a large energy storage amount, the impedance of the independent core bag is large, so that a new high-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor needs to be provided to solve the technical problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-frequency low-impedance electrolytic capacitor with high temperature resistance and long service life.
The high-frequency low-impedance electrolytic capacitor with high temperature resistance and long service life provided by the invention comprises: the capacitor comprises a bottom shell, an electrode assembly, capacitor core packages and electric connection assemblies, wherein a top cover is arranged at the top of the bottom shell, the electrode assembly is arranged in the top cover, the capacitor core packages are arranged in the bottom shell at equal intervals, partition plates are arranged among the capacitor core packages, the electric connection assemblies are connected to the tops of the capacitor core packages, and the electric connection assemblies are connected with the electrode assembly;
electrode subassembly includes aluminium frame, flexible post, expanding spring, right angle piece and winding displacement, top cap fixed surface has two sets of right angle pieces, the top cap bottom sets up two sets of aluminium frames, and the aluminium frame corresponds through the winding displacement with the right angle piece and is connected, the symmetry is fixed with flexible post between top cap and the aluminium frame, and the outside cover of flexible post is equipped with expanding spring.
Preferably, the electric capacity core package includes negative pole aluminium foil, positive pole aluminium foil, diaphragm paper, leads foil strip and stem, the outside coiling of stem has negative pole aluminium foil and positive pole aluminium foil, between negative pole aluminium foil and the positive pole aluminium foil and the outside diaphragm paper that all has laminated of negative pole aluminium foil, negative pole aluminium foil and positive pole aluminium foil surface all are connected with and lead the foil strip.
Preferably, the diaphragm paper is manila capacitor paper.
Preferably, the electrical connection assembly comprises an electrical connector, an electrical connector post, a fixing hole, a fixing screw and a screw hole, the electrical connector is fixedly connected with the foil guide strip, the electrical connector post is fixed at the end of the electrical connector, the screw hole is formed in the top of the core post, the fixing hole is formed in the surface of the electrical connector, and the fixing screw penetrates through the fixing hole and is in threaded connection with the screw hole.
Preferably, the top of the electric contact is spherical, and a dividing groove is formed in the middle of the electric contact.
Preferably, the bottom shell is internally and symmetrically provided with lower inclined plates at two sides, the top cover bottom is symmetrically fixed with upper inclined plates at two sides, and the upper inclined plates are in extrusion contact with the inclined surfaces of the lower inclined plates.
Preferably, the bottom of the bottom shell is provided with a limiting groove, the bottom of the core column is in a convex shape, and the bottom of the core column is in matched splicing with the limiting groove.
Compared with the related technology, the high-frequency low-impedance electrolytic capacitor with high temperature resistance and long service life provided by the invention has the following beneficial effects:
the invention changes the traditional independent energy storage component, adopts a plurality of groups of capacitor core packages for energy storage, and the plurality of capacitor core packages are connected in parallel through the electrode assembly, so that the inductance of the capacitor core packages is reduced, the overall impedance of the device is reduced, and the high-frequency performance of the device is improved;
the electric connection component is fixed in a hard mode, and the capacitor core packages are connected in parallel to form a passage through extrusion contact of the electric connection component and the electrode component, so that an independent connection circuit is not needed, and the early-stage assembly and the later-stage maintenance are convenient and fast;
according to the invention, through the extrusion of the upper inclined plate and the lower inclined plate, the arranged capacitor core packages are extruded and fixed when the top cover and the bottom shell are fixedly covered, so that the device has more stable integrity and more convenient and faster structural packaging.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of a capacitor core package arrangement structure according to the present invention;
FIG. 3 is a schematic view of the internal structure of the top cover of the present invention;
FIG. 4 is a schematic view of the structure of an electrode assembly according to the present invention;
FIG. 5 is a schematic view of an electrical connector assembly of the present invention;
FIG. 6 is a schematic view of the electrical connection post and aluminum frame of the present invention;
fig. 7 is a schematic diagram of a limiting structure of the capacitor core package of the present invention;
fig. 8 is a schematic diagram of a capacitor core package structure according to the present invention.
Reference numbers in the figures: 1. a bottom case; 11. a limiting groove; 2. a top cover; 3. an electrode assembly; 31. an aluminum frame; 32. a telescopic column; 33. a tension spring; 34. a right-angle piece; 35. arranging wires; 4. a capacitor core package; 41. cathode aluminum foil; 42. an anode aluminum foil; 43. a separator paper; 44. a foil guide strip; 45. a stem; 5. a lower sloping plate; 6. an upper sloping plate; 7. an electrical connection assembly; 71. an electrical connector; 72. an electrical connector; 73. a fixing hole; 74. a set screw; 75. a screw hole; 8. a separator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 8, an exemplary embodiment of a high-frequency low-impedance electrolytic capacitor with long life and high temperature resistance includes:
the capacitor comprises a bottom shell 1, an electrode assembly 3, capacitor core packages 4 and an electric connection assembly 7, wherein a top cover 2 is arranged at the top of the bottom shell 1, the electrode assembly 3 is arranged in the top cover 2, the capacitor core packages 4 are arranged in the bottom shell 1 at equal intervals, a partition plate 8 is arranged between the capacitor core packages 4, the electric connection assembly 7 is connected to the top of each capacitor core package 4, and the electric connection assembly 7 is connected with the electrode assembly 3;
it should be noted that: the bottom shell 1 and the top cover 2 are fixed into a whole through screws, the plurality of capacitor core packages 4 are arranged at intervals through the partition plates 8 and are connected with the electrode assembly 3 through the electric connection assembly 7, so that the capacitor core packages 4 are electrically connected with the electrode assembly 3 and are connected with an external circuit through the electrode assembly 3, the plurality of capacitor core packages 4 are connected in parallel through the electrode assembly 3, the inductance of the capacitor core packages 4 is reduced, the overall impedance of the device is reduced, and the high-frequency performance of the device is improved.
Referring to fig. 3 to 4, the electrode assembly 3 includes an aluminum frame 31, telescopic posts 32, telescopic springs 33, right-angle pieces 34 and flat cables 35, two sets of right-angle pieces 34 are fixed on the surface of the top cover 2, two sets of aluminum frames 31 are disposed at the bottom of the top cover 2, the aluminum frames 31 and the right-angle pieces 34 are correspondingly connected through the flat cables 35, the telescopic posts 32 are symmetrically fixed between the top cover 2 and the aluminum frame 31, and the telescopic springs 33 are sleeved outside the telescopic posts 32.
It should be noted that: when the device is packaged, the top cover 2 is covered on the top of the bottom shell 1, the two aluminum frames 31 are respectively in extrusion contact with the electric connection assembly 7, the aluminum frames 31 are stably contacted with the electric connection assembly 7 through the telescopic matching of the telescopic columns 32 and the elasticity of the telescopic springs 33, the right-angle pieces 34 and the aluminum frames 31 are connected into a passage through the flat cables 35, and the external electrodes are directly correspondingly connected with the right-angle pieces 34.
Referring to fig. 8, the capacitor core package 4 includes a cathode aluminum foil 41, an anode aluminum foil 42, a separator paper 43, a conductive foil strip 44, and a core column 45, the cathode aluminum foil 41 and the anode aluminum foil 42 are wound around the core column 45, the separator paper 43 is adhered between the cathode aluminum foil 41 and the anode aluminum foil 42 and outside the cathode aluminum foil 41, and the conductive foil strip 44 is connected to the surfaces of the cathode aluminum foil 41 and the anode aluminum foil 42.
It should be noted that: the cathode aluminum foil 41 and the anode aluminum foil 42 are connected with the external electrode through the foil guide strip 44, the cathode aluminum foil 41 and the anode aluminum foil 42 are isolated by the diaphragm paper 43, electrolyte is absorbed, electric energy storage is realized, the core column 45 is arranged to shape the capacitor core package 4, and the whole structure of the capacitor core package 4 is stable.
The diaphragm paper 43 is manila capacitor paper, so that the loss tangent value of the product is reduced.
Referring to fig. 5, the electrical connection assembly 7 includes an electrical connector 71, an electrical post 72, a fixing hole 73, a fixing screw 74, and a screw hole 75, the electrical connector 71 is fixedly connected to the foil strip 44, the electrical post 72 is fixed to an end of the electrical connector 71, a screw hole 75 is formed at a top of the stem 45, a fixing hole 73 is formed in a surface of the electrical connector 71, and the fixing screw 74 penetrates through the fixing hole 73 and is screwed into the screw hole 75.
It should be noted that: the fixing screws 74 and the screw holes 75 are screwed to fix the electric tabs 71 and the electric posts 72 on the surface of the capacitor core package 4, so that the electric assembly 7 is stably installed and stably contacts the electrode assembly 3.
The top of the electric post 72 is spherical, and the middle of the electric post 72 is provided with a dividing groove, so that the electric post 72 has a compression deformation function, and the electric post 72 is in extrusion contact with the aluminum frame 31.
Referring to fig. 2, lower inclined plates 5 are symmetrically arranged on two sides inside the bottom shell 1, upper inclined plates 6 are symmetrically fixed on two sides of the bottom of the top cover 2, the upper inclined plates 6 are in contact with inclined surfaces of the lower inclined plates 5 in a pressing manner, and when the top cover 2 is fixedly covered with the bottom shell 1, the upper inclined plates 6 are pressed against the inclined surfaces of the lower inclined plates 5, so that the lower inclined plates 5 are folded towards the middle of the bottom shell 1, and the arranged capacitor core packages 4 are stably installed in a limiting manner.
Referring to fig. 7, a limiting groove 11 is formed at the bottom of the bottom case 1, the bottom of the core column 45 is protruded, and the bottom of the core column 45 is inserted into the limiting groove 11, so that the capacitor core packages 4 are accurately arranged in the bottom case 1, and the product integrity is high.
The working principle of the high-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor provided by the invention is as follows: the bottom shell 1 and the top cover 2 are fixed into a whole through screws, a plurality of capacitor core packages 4 are arranged at intervals through the partition plates 8, two aluminum frames 31 are respectively in extrusion contact with the electric connection assembly 7, the aluminum frames 31 are stably contacted with the electric connection assembly 7 through the elastic force of the telescopic matching telescopic springs 33 of the telescopic columns 32, the right-angle sheets 34 and the aluminum frames 31 are connected into a passage through the flat cables 35, external electrodes are directly and correspondingly connected with the right-angle sheets 34, the capacitor core packages 4 are electrically connected with the electrode assembly 3, the external circuits are connected through the electrode assembly 3, the capacitor core packages 4 are connected in parallel through the electrode assembly 3, the inductance of the capacitor core packages 4 is reduced, the overall impedance of the device is reduced, and therefore the high-frequency performance of the device is improved.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A high-frequency low-impedance electrolytic capacitor with high temperature resistance and long service life is characterized by comprising:
the top of the bottom shell (1) is provided with a top cover (2);
an electrode assembly (3), wherein the electrode assembly (3) is arranged inside the top cover (2);
the capacitor core packages (4) are arranged in the bottom shell (1) at equal intervals, and partition plates (8) are arranged between the capacitor core packages (4);
the top of the capacitor core package (4) is connected with an electric connection component (7), and the electric connection component (7) is connected with the electrode assembly (3);
electrode subassembly (3) are including aluminium frame (31), flexible post (32), expanding spring (33), right angle piece (34) and winding displacement (35), top cap (2) fixed surface has two sets of right angle pieces (34), top cap (2) bottom sets up two sets of aluminium frames (31), and aluminium frame (31) and right angle piece (34) correspond through winding displacement (35) and be connected, the symmetry is fixed with flexible post (32) between top cap (2) and aluminium frame (31), and the outside cover of flexible post (32) is equipped with expanding spring (33).
2. The high-temperature-resistant long-life high-frequency low-impedance electrolytic capacitor as claimed in claim 1, wherein the capacitor core package (4) comprises a cathode aluminum foil (41), an anode aluminum foil (42), diaphragm paper (43), a conductive foil strip (44) and a core column (45), the cathode aluminum foil (41) and the anode aluminum foil (42) are wound outside the core column (45), the diaphragm paper (43) is adhered between the cathode aluminum foil (41) and the anode aluminum foil (42) and outside the cathode aluminum foil (41), and the conductive foil strip (44) is connected to the surfaces of the cathode aluminum foil (41) and the anode aluminum foil (42).
3. The high-frequency low-impedance electrolytic capacitor with high temperature resistance and long service life according to claim 2, wherein the separator paper (43) is manila capacitor paper.
4. The high-temperature-resistant long-life high-frequency low-impedance electrolytic capacitor as claimed in claim 2, wherein the electrical connection assembly (7) comprises an electrical connector piece (71), an electrical connection post (72), a fixing hole (73), a fixing screw (74) and a screw hole (75), the electrical connector piece (71) is fixedly connected with the conductive foil strip (44), the electrical connection post (72) is fixed at the end of the electrical connector piece (71), the screw hole (75) is formed in the top of the core post (45), the fixing hole (73) is formed in the surface of the electrical connector piece (71), and the fixing screw (74) penetrates through the fixing hole (73) to be in threaded connection with the screw hole (75).
5. The high-temperature-resistant long-life high-frequency low-impedance electrolytic capacitor as claimed in claim 4, wherein the top of the electrical connection post (72) is spherical, and a dividing groove is formed in the middle of the electrical connection post (72).
6. The high-temperature-resistant long-life high-frequency low-impedance electrolytic capacitor as claimed in claim 1, wherein lower inclined plates (5) are symmetrically arranged on two sides inside the bottom shell (1), upper inclined plates (6) are symmetrically fixed on two sides of the bottom of the top cover (2), and the upper inclined plates (6) are in pressing contact with inclined surfaces of the lower inclined plates (5).
7. The high-temperature-resistant long-life high-frequency low-impedance electrolytic capacitor as claimed in claim 2, wherein the bottom of the bottom shell (1) is provided with a limiting groove (11), the bottom of the core column (45) is convex, and the bottom of the core column (45) is in fit insertion connection with the limiting groove (11).
Priority Applications (1)
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CN202111054149.4A CN113921281B (en) | 2021-09-09 | 2021-09-09 | High-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor |
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CN202111054149.4A CN113921281B (en) | 2021-09-09 | 2021-09-09 | High-temperature-resistant long-service-life high-frequency low-impedance electrolytic capacitor |
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CN113921281A true CN113921281A (en) | 2022-01-11 |
CN113921281B CN113921281B (en) | 2023-12-19 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0358406A (en) * | 1989-07-26 | 1991-03-13 | Nippon Chemicon Corp | Electrolytic capacitor and mounting structure thereof |
JPH06275476A (en) * | 1993-03-17 | 1994-09-30 | Nippon Steel Corp | Multilayer electrolytic capacitor |
JPH10229032A (en) * | 1997-02-14 | 1998-08-25 | Nippon Chemicon Corp | Terminal structure for capacitor element |
JP2003173942A (en) * | 2001-12-06 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor and its manufacturing method |
CN205303198U (en) * | 2016-01-24 | 2016-06-08 | 重庆市库格尔电子有限公司 | Novel aluminium electrolytic capacitor |
CN211016799U (en) * | 2020-01-09 | 2020-07-14 | 广州金立电子有限公司 | Aluminum electrolytic capacitor convenient for mounting double-sided substrate |
CN212084853U (en) * | 2020-06-04 | 2020-12-04 | 益阳阳光电子科技有限公司 | Aluminum electrolytic capacitor with small leakage current |
CN112219250A (en) * | 2018-06-05 | 2021-01-12 | Tdk电子股份有限公司 | Capacitor, assembly comprising a capacitor and a busbar, and method for manufacturing a capacitor |
CN212750626U (en) * | 2020-08-25 | 2021-03-19 | 达州市金联富电子科技有限公司 | Lead-out electrode mounting structure and electrolytic capacitor having the same |
-
2021
- 2021-09-09 CN CN202111054149.4A patent/CN113921281B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0358406A (en) * | 1989-07-26 | 1991-03-13 | Nippon Chemicon Corp | Electrolytic capacitor and mounting structure thereof |
JPH06275476A (en) * | 1993-03-17 | 1994-09-30 | Nippon Steel Corp | Multilayer electrolytic capacitor |
JPH10229032A (en) * | 1997-02-14 | 1998-08-25 | Nippon Chemicon Corp | Terminal structure for capacitor element |
JP2003173942A (en) * | 2001-12-06 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor and its manufacturing method |
CN205303198U (en) * | 2016-01-24 | 2016-06-08 | 重庆市库格尔电子有限公司 | Novel aluminium electrolytic capacitor |
CN112219250A (en) * | 2018-06-05 | 2021-01-12 | Tdk电子股份有限公司 | Capacitor, assembly comprising a capacitor and a busbar, and method for manufacturing a capacitor |
CN211016799U (en) * | 2020-01-09 | 2020-07-14 | 广州金立电子有限公司 | Aluminum electrolytic capacitor convenient for mounting double-sided substrate |
CN212084853U (en) * | 2020-06-04 | 2020-12-04 | 益阳阳光电子科技有限公司 | Aluminum electrolytic capacitor with small leakage current |
CN212750626U (en) * | 2020-08-25 | 2021-03-19 | 达州市金联富电子科技有限公司 | Lead-out electrode mounting structure and electrolytic capacitor having the same |
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