CN205645547U - Totally enclosed tantalum electrolytic capacitor of ceramic package - Google Patents
Totally enclosed tantalum electrolytic capacitor of ceramic package Download PDFInfo
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- CN205645547U CN205645547U CN201620504168.0U CN201620504168U CN205645547U CN 205645547 U CN205645547 U CN 205645547U CN 201620504168 U CN201620504168 U CN 201620504168U CN 205645547 U CN205645547 U CN 205645547U
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- ceramic
- nickel strap
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Abstract
The utility model provides a totally enclosed tantalum electrolytic capacitor of ceramic package, it is internal in the ceramic case to bond through the silver thick liquid that bonds behind the downside of positive pole tantalum core and the nickel strap welded fastening, and with the fixed cathode end intercommunication that sets up on ceramic casing, the end intercommunication is drawn through connectiong lead with the fixed positive pole that sets up on ceramic casing to positive pole tantalum silk on the positive pole tantalum core, apron cap seal in the top of ceramic casing to with ceramic housing seal fixed connection. The utility model discloses an increase the nickel strap between positive pole tantalum core and bonding silver thick liquid, utilize soft attitude nickel strap to be connected positive pole tantalum core with the shell to the temperature stress that release tantalum core produced avoids influencing product electrical parameters, has improved the high temperature resistant ability of condenser, has solved the problem that current condenser can not satisfy high temperature operational environment, utilize ceramic parallel seam welding, tantalum electrolytic capacitor seals with the piece formula, the utility model discloses still can normally work under the condition up to 180 DEG C at ambient temperature.
Description
Technical field
This utility model relates to a kind of maximum operating temperature hermetic capacitor of the ceramic package up to 180 DEG C, specifically
Relate to the fully closed solid electrolyte Ta capacitor of a kind of ceramic package.
Background technology
Tantalum electrolytic capacitor mainly play in electronic circuit energy storage, filter, bypass, couple, decouple, phase inversion etc. is electrically made
With, it is the requisite ingredient of electronic circuit, its maximum operating temperature scope is generally 125 DEG C, and oil drilling, geology
In the industries such as exploration, space probation, spacecraft, ambient temperature during equipment work is considerably beyond 125 DEG C, and existing tantalum is electric
Electrolysis condenser can not meet the use requirement of above-mentioned field electronic equipment, although the nothing such as ceramic capacitor, glass glaze condenser
Dynamo-electric container can be used in 125 DEG C of high temperature above environment, but the capacitance of these capacitors is the least, it is impossible to substitutes tantalum electricity
Electrolysis condenser effect in the line.
Utility model content
For solving above-mentioned technical problem, this utility model provides the fully closed solid electrolyte tantalum electricity of a kind of ceramic package
Container, the fully closed solid electrolyte Ta capacitor of this ceramic package is by increasing nickel between anode tantalum core and bonding silver slurry
Band, the temperature stress utilizing nickel strap release tantalum core to produce, improve the heat-resisting ability of capacitor, solve existing capacitor not
The problem that can meet high-temperature work environment.
This utility model is achieved by the following technical programs.
The fully closed solid electrolyte Ta capacitor of a kind of ceramic package that this utility model provides, including cover plate, anode
Tantalum core, anode tantalum wire, connecting lead wire, anode exit, bonding silver slurry, nickel strap, cathode end and ceramic shell；Described anode
The downside of tantalum core be welded and fixed with nickel strap after by bonding silver slurry be adhered in ceramic shell, and be fixedly installed on ceramic shell
On cathode end connection；Anode tantalum wire in described anode tantalum core passes through connecting lead wire and is fixedly installed on ceramic shell
Anode exit connection；Described cover plate lid is encapsulated in the top of ceramic shell, and is sealedly and fixedly connected with ceramic shell.
Described nickel strap is soft state nickel strap.
Described connecting lead wire is soft state nickel strap.
Parallel seam welding is used to be sealedly and fixedly connected between described cover plate and ceramic shell.
Described nickel strap width be 0.3～0.6mm, thickness is 0.10～0.30mm, length 5～10mm.
Described cover plate is valve metal cover plate.
Anode tantalum wire is connected with anode exit by described connecting lead wire by electric resistance welding mode.
The beneficial effects of the utility model are: by increasing nickel strap between anode tantalum core and bonding silver slurry, utilize soft
Anode tantalum core is connected by state nickel strap with shell, to discharge the temperature stress that tantalum core produces, it is to avoid affect product unit for electrical property parameters, carry
The high heat-resisting ability of capacitor, solves the problem that existing capacitor can not meet high-temperature work environment；Utilize ceramic flat
Row is seam welding, is sealed by sheet type tantalum electrolyte capacitor；This utility model remains to normally under the conditions of ambient temperature up to 180 DEG C
Work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view after Fig. 1 removes cover plate；
In figure: 1-cover plate, 2-anode tantalum core, 3-anode tantalum wire, 4-connecting lead wire, 5-anode exit, 6-bonding silver slurry,
7-nickel strap, 8-cathode end, 9-ceramic shell.
Detailed description of the invention
The technical solution of the utility model is described further below, but claimed scope is not limited to described.
The fully closed solid electrolyte Ta capacitor of a kind of ceramic package as depicted in figs. 1 and 2, including cover plate 1, anode
Tantalum core 2, anode tantalum wire 3, connecting lead wire 4, anode exit 5, bonding silver slurry 6, nickel strap 7, cathode end 8 and ceramic shell 9；
The downside of described anode tantalum core 2 is adhered in ceramic shell 9 by bonding silver slurry 6 after being welded and fixed with nickel strap 7, and sets with fixing
The cathode end 8 put on ceramic shell 9 connects；Anode tantalum wire 3 in described anode tantalum core 2 passes through connecting lead wire 4 with solid
Surely the anode exit 5 being arranged on ceramic shell 9 connects；Described cover plate 1 lid is encapsulated in the top of ceramic shell 9, and with pottery
Housing 9 is sealedly and fixedly connected.
Described nickel strap 7 is soft state nickel strap, described nickel strap 7 width be 0.2～0.8mm, thickness is 0.10～0.40mm,
Length 5.0～10.0mm..Described connecting lead wire 4 is soft state nickel strap.Described connecting lead wire 4 by electric resistance welding mode by anode tantalum
Silk 3 connects with anode exit 5.Connected the produced temperature stress of tantalum core after being conducive to product temperature to change to lead to by soft state nickel strap
Cross soft state nickel strap to discharge, it is to avoid affect product unit for electrical property parameters, can be to realize 230 DEG C of products of later stage high temperature to do structure design
Prepare.
Use parallel seam welding to be sealedly and fixedly connected between described cover plate 1 and ceramic shell 9, use parallel seam welding to guarantee product
Sealing property.Described cover plate 1 can select valve metal cover plate.Metal extension on ceramic shell may select nickel plating or gold-plated
Two ways.
This utility model utilizes pottery parallel seam welding, is sealed by sheet type tantalum electrolyte capacitor, utilizes soft state nickel strap to lead to
Cross electric resistance welding mode and connect the temperature stress that tantalum core anode produces with release tantalum core with shell, make capacitor in high temperature >=180 DEG C
Time can normally work.
This utility model is in actual production process, after the anode tantalum core 2 having impregnated graphite, silver is starched is separated with steel disc,
With resistance welder, anode tantalum core 2 is welded with nickel strap (wide 0.5mm, the thick soft state of 0.15mm)；The anode tantalum core 2 of a postwelding is put into
In ceramic shell 9, and use bonding silver slurry 6 bonding with ceramic shell 9, it is achieved negative electrode connects draws；The electricity of employing again after bonding
Welding binder is connected fixing with anode tantalum wire 3 for one end of nickel strap, and the other end is connected with the positive exit 5 on ceramic shell 9, will pottery
Porcelain housing 9 carries out soldering and sealing with cover plate 1 with parallel seam sealing machine and realizes sealing structure, completes Product Assembly.
Table 1 to table 4 is high temperature tantalum capacitor 10V100 μ F, 10V220 that the manufacture method pointed out by this utility model produces
The room temperature of μ F product and 180 DEG C of unit for electrical property parameters of high temperature.
Table 1 10V100 μ F room temperature electrical quantity
Table 2 10V100 μ F high-temperature electric parameter
Table 3 10V220 μ F room temperature electrical quantity
Table 4 10V220 μ F high-temperature electric parameter
Claims (7)
1. a fully closed solid electrolyte Ta capacitor for ceramic package, including cover plate (1), anode tantalum core (2), anode tantalum wire
(3), connecting lead wire (4), anode exit (5), bonding silver slurry (6), nickel strap (7), cathode end (8) and ceramic shell (9),
It is characterized in that: the downside of described anode tantalum core (2) is adhered to pottery by bonding silver slurry (6) after being welded and fixed with nickel strap (7)
In housing (9), and connect with the cathode end (8) being fixedly installed on ceramic shell (9)；In described anode tantalum core (2)
Anode tantalum wire (3) is connected with the anode exit (5) being fixedly installed on ceramic shell (9) by connecting lead wire (4)；Described lid
Plate (1) lid is encapsulated in the top of ceramic shell (9), and is sealedly and fixedly connected with ceramic shell (9).
2. the fully closed solid electrolyte Ta capacitor of ceramic package as claimed in claim 1, it is characterised in that: described nickel strap
(7) it is soft state nickel strap.
3. the fully closed solid electrolyte Ta capacitor of ceramic package as claimed in claim 1, it is characterised in that: described connection
Lead-in wire (4) is soft state nickel strap.
4. the fully closed solid electrolyte Ta capacitor of the ceramic package as described in arbitrary in claims 1 to 3, its feature exists
In: use parallel seam welding to be sealedly and fixedly connected between described cover plate (1) and ceramic shell (9).
5. the fully closed solid electrolyte Ta capacitor of ceramic package as claimed in claim 1 or 2, it is characterised in that: described
The width of nickel strap (7) is 0.3～0.6mm, and thickness is 0.10～0.30mm, length 5～10mm.
6. the fully closed solid electrolyte Ta capacitor of the ceramic package as described in arbitrary in claims 1 to 3, its feature exists
In: described cover plate (1) is valve metal cover plate.
7. the fully closed solid electrolyte Ta capacitor of the ceramic package as described in arbitrary in claims 1 to 3, its feature exists
In: anode tantalum wire (3) is connected with anode exit (5) by described connecting lead wire (4) by electric resistance welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620504168.0U CN205645547U (en) | 2016-05-30 | 2016-05-30 | Totally enclosed tantalum electrolytic capacitor of ceramic package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620504168.0U CN205645547U (en) | 2016-05-30 | 2016-05-30 | Totally enclosed tantalum electrolytic capacitor of ceramic package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645547U true CN205645547U (en) | 2016-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620504168.0U Active CN205645547U (en) | 2016-05-30 | 2016-05-30 | Totally enclosed tantalum electrolytic capacitor of ceramic package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826080A (en) * | 2016-05-30 | 2016-08-03 | 中国振华（集团）新云电子元器件有限责任公司 | Hermetically-sealed solid electrolyte tantalum capacitor packaged through ceramic |
| CN111128555A (en) * | 2020-01-21 | 2020-05-08 | 羽源洋(宁波)科技有限公司 | Rotary tantalum capacitor packaging robot and packaging method |
-
2016
- 2016-05-30 CN CN201620504168.0U patent/CN205645547U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826080A (en) * | 2016-05-30 | 2016-08-03 | 中国振华（集团）新云电子元器件有限责任公司 | Hermetically-sealed solid electrolyte tantalum capacitor packaged through ceramic |
| CN105826080B (en) * | 2016-05-30 | 2018-09-07 | 中国振华（集团）新云电子元器件有限责任公司 | A kind of fully closed solid electrolyte Ta capacitor of ceramic package |
| CN111128555A (en) * | 2020-01-21 | 2020-05-08 | 羽源洋(宁波)科技有限公司 | Rotary tantalum capacitor packaging robot and packaging method |
| CN111128555B (en) * | 2020-01-21 | 2022-01-11 | 羽源洋(宁波)科技有限公司 | Rotary tantalum capacitor packaging robot and packaging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |