CN218866906U - Passive element device - Google Patents
Passive element device Download PDFInfo
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- CN218866906U CN218866906U CN202223062426.9U CN202223062426U CN218866906U CN 218866906 U CN218866906 U CN 218866906U CN 202223062426 U CN202223062426 U CN 202223062426U CN 218866906 U CN218866906 U CN 218866906U
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Abstract
The utility model discloses a cylinder body, two first conducting layers, two second conducting layers, two electrically conductive lead wires and two lead wire mounting. The cylindrical body has two outer surfaces, a body diameter and a body thickness. Two first conductive layers respectively connected to the two outer surfaces; each first conductive layer has a first diameter and a first thickness, and the first diameter is 85% to 95% of the diameter of the body; the first thickness is less than the body thickness; the two first conductive layers are one of aluminum, zinc and nickel. The two second conductive layers are respectively connected with the two first conductive layers; each second conductive layer has a second diameter and a second thickness, and the first diameter is the same as the second diameter; the second thickness is less than the body thickness; and the two second conductive layers are made of tin-zinc alloy. The two lead fixing pieces electrically connect the two conductive leads to the two second conductive layers respectively. The utility model discloses it is firm to have the structure concurrently, and the good advantage of two electrically conductive lead wire fixation effects.
Description
Technical Field
The present invention relates to a passive device, and more particularly to a passive device having a stable structure and two conductive leads with good fixing effect.
Background
Ceramic capacitors, metal Oxide varistors (Metal Oxide varistors), thermistors (thermistors) and the like, which belong to passive elements, are widely used in the fields of power supplies, household electrical appliances, automobiles and the like. For example, the device can be used with other electronic components to generate filtering, oscillating, coupling, etc., and thus the global product demand is very large.
However, taking a ceramic capacitor as an example, the following problems arise:
[1] the structural stability is poor. The conventional capacitor at least includes a lead, a conductive layer and a ceramic body (the conventional device is not repeated. However, since the ceramic body and the conductive layer are not similar in material, when the conductive layer is not in a thin film state, the assembled structure strength may be poor, and the structural stability is then low. Therefore, the structural stability is poor.
[2] The lead structure has a poor fixing effect. Similarly, the conductive layer and the lead are not similar in material, and even though they are welded, the fixing effect after welding may be poor.
In view of the above, it is necessary to develop a technology that can solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
For solving the relatively poor problem of structural stability, and the relatively poor problem of the fixed effect of pin configuration, the utility model provides a passive component device, it has the structure concurrently and stabilizes, and the good advantage of two electrically conductive pin fixation effects.
The utility model provides a technical scheme that its technical problem adopted is:
a passive component device, comprising:
a cylindrical body having two outer surfaces, the two outer surfaces being parallel to each other; and the cylindrical body has a body diameter and a body thickness;
two first conductive layers electrically connected to the two outer surfaces respectively; each of the two first conductive layers has a first diameter and a first thickness, the first diameter is 85% to 95% of the diameter of the body; and the first thickness is smaller than the thickness of the body; the two first conductive layers are one of aluminum, zinc and nickel;
two second conductive layers electrically connected to the two first conductive layers, respectively; each of the two second conductive layers has a second diameter and a second thickness, the second diameter being equal to the first diameter; the second thickness is smaller than the thickness of the body; the two second conductive layers are made of tin-zinc alloy;
two conductive leads electrically connected to the two second conductive layers, respectively; and
two lead fixing parts for fixing the two conductive leads on the two second conductive layers, respectively.
The beneficial effects of the utility model are that, it has the structure simultaneously and stabilizes, and the fixed good advantage of effect of two electrically conductive lead wires.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the cross-sectional view and partial enlargement of the present invention.
The numbering in the figures illustrates:
10 outer surface of the cylindrical body 11
20 first conductive layer 30 second conductive layer
40 conductive lead 50 lead mount
D1 body diameter D2 first diameter
D3 second diameter H1 body thickness
H2 first thickness H3 second thickness
Detailed Description
Referring to fig. 1 and 2, the present invention is a passive device, which includes:
a cylindrical body 10 having two outer surfaces 11, the two outer surfaces 11 being parallel to each other; and the cylindrical body 10 has a body diameter D1 and a body thickness H1.
Two first conductive layers 20 electrically connected to the two outer surfaces 11, respectively; each of the two first conductive layers 20 has a first diameter D2 and a first thickness H2, the first diameter D2 is 85% to 95% of the body diameter D1; and the first thickness H2 is less than the body thickness H1; the two first conductive layers 20 are made of one of aluminum, zinc, and nickel.
Two second conductive layers 30 electrically connected to the two first conductive layers 20, respectively; each second conductive layer 30 of the two second conductive layers 30 has a second diameter D3 and a second thickness H3, the second diameter D3 being equal to the first diameter D2; the second thickness H3 is less than the body thickness H1; the two second conductive layers 30 are made of tin-zinc alloy.
Two conductive leads 40 electrically connected to the two second conductive layers 30, respectively.
Two lead fasteners 50 are used to fasten the two conductive leads 40 to the two second conductive layers 30, respectively.
In practice, the cylindrical body 10 is one of ceramic and zinc oxide (ZnO).
The diameter D1 of the body can be between 15mm and 24mm, and is preferably 19 mm.
The thickness H1 of the body can be between 1mm and 3mm, and 2mm is preferred.
The two first conductive layers 20 are respectively disposed on the two outer surfaces 11, and may be at least one of a printing structure and a spraying structure.
The first thickness H2 is between 10 and 30 mu m; and preferably 20 μm.
The two second conductive layers 30 are respectively disposed on the two first conductive layers 20, and may be at least one of a printing structure and a spraying structure.
The second thickness H3 is between 10 and 30 μm; and preferably 20 μm.
The weight percentage of tin in the tin-zinc alloy is defined as X; and
the weight percentage of zinc in the tin-zinc alloy is defined as 100-X; also, 10 ≦ X ≦ 80. For example, reference may be made to the following (table one):
(watch one)
| Examples | Tin (weight percent (%) | Zinc (weight percent (%) |
| 1 | 90 | 10 |
| 2 | 80 | 20 |
| 3 | 70 | 30 |
| 4 | 60 | 40 |
| 5 | 50 | 50 |
| 6 | 40 | 60 |
| 7 | 30 | 70 |
| 8 | 20 | 80 |
The lead mount 50 may be a solder structure.
The utility model discloses a focus lies in:
[a] the film structure is well pasted: the two first conductive layers 20 are at least one of a printing structure and a spraying structure respectively; the two second conductive layers 30 are at least one of a printed structure and a sprayed structure. That is, both are "" thin film structure "", so that the adhesive layer has good adhesion and can be firmly fixed to the cylindrical body 10.
[b] The material is close to fixed good: the lead fixing member 50 can be a solder structure, and the two second conductive layers 30 can be made of tin-zinc alloy, which are close to each other, so as to facilitate connection and fix the lead fixing member.
The utility model has the advantages and the efficiency can be summarized as follows:
[1] the structure is stable. The two first conductive layers are respectively arranged on the two outer surfaces 11 and are in at least one of a printing structure and a spraying structure; the two second conductive layers are respectively arranged on the two first conductive layers, and are also in a printing structure or a spraying structure. No matter the printing structure or the spraying structure is in a thin film state, so that the two second conductive layers and the two first conductive layers are respectively and firmly fixed on the two outer surfaces from outside to inside in sequence. Therefore, the structure is stable.
[2] The two conductive leads have good fixing effect. The two lead fixing pieces are of soldering tin structures, the two second conducting layers are made of tin-zinc alloy, and the two conducting layers are close in material composition, so that the two lead fixing pieces are good in combination and fixing effect. More specifically, the tin-zinc alloy has a lower melting point, so that the two conductive leads are better contacted with the second conductive layer, have stronger bonding (good tensile strength), have better oxidation resistance and have excellent current impact resistance. Therefore, the fixing effect of the two conductive leads is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. A passive component assembly, comprising:
a cylindrical body having two outer surfaces, the two outer surfaces being parallel to each other; and the cylindrical body has a body diameter and a body thickness;
two first conductive layers electrically connected to the two outer surfaces respectively; each of the two first conductive layers has a first diameter and a first thickness, the first diameter is 85% to 95% of the diameter of the body; the first thickness is smaller than the thickness of the body, and the two first conductive layers are one of aluminum, zinc and nickel;
two second conductive layers electrically connected to the two first conductive layers, respectively; each of the two second conductive layers has a second diameter and a second thickness, the second diameter being equal to the first diameter; the second thickness is smaller than the thickness of the body, and the two second conductive layers are made of tin-zinc alloy;
two conductive leads electrically connected to the two second conductive layers, respectively; and
two lead fixing parts are used for fixing the two conductive leads on the two second conductive layers respectively.
2. The passive element assembly of claim 1, wherein the cylindrical body is one of ceramic and zinc oxide.
3. The passive component device of claim 1, wherein the two first conductive layers are disposed on the two outer surfaces respectively in at least one of a printing structure and a spraying structure.
4. The passive component device of claim 1, wherein the two second conductive layers are disposed on the two first conductive layers respectively in at least one of a printing structure and a spraying structure.
5. The passive element arrangement of claim 1,
the diameter of the body is between 15mm and 24 mm;
the thickness of the body is between 1mm and 3 mm;
the first thickness is between 10 and 30 μm; and
the second thickness is between 10 and 30 μm.
6. The passive element arrangement of claim 5,
the diameter of the body is 19mm;
the thickness of the body is 2mm;
the first thickness is 20 μm; and
the second thickness is 20 μm.
7. The passive component assembly of claim 1, wherein the lead attachment member is a solder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062426.9U CN218866906U (en) | 2022-11-18 | 2022-11-18 | Passive element device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062426.9U CN218866906U (en) | 2022-11-18 | 2022-11-18 | Passive element device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218866906U true CN218866906U (en) | 2023-04-14 |
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ID=87372147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223062426.9U Active CN218866906U (en) | 2022-11-18 | 2022-11-18 | Passive element device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218866906U (en) |
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2022
- 2022-11-18 CN CN202223062426.9U patent/CN218866906U/en active Active
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