CN205428612U - High -power resin package metal film chip resistor ware - Google Patents
High -power resin package metal film chip resistor ware Download PDFInfo
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- CN205428612U CN205428612U CN201620224724.9U CN201620224724U CN205428612U CN 205428612 U CN205428612 U CN 205428612U CN 201620224724 U CN201620224724 U CN 201620224724U CN 205428612 U CN205428612 U CN 205428612U
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- metal film
- ceramic rod
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- resistance
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Abstract
The utility model discloses a high -power resin package metal film chip resistor ware, including ceramic rod, chapeau de fer or copper cap and the end utmost point, ceramic rod's both ends respectively are equipped with an end utmost point, and the welding of the end utmost point is on chapeau de fer or copper cap, the last involucra that has plated of ceramic rod, the sculpture has accurate slot on the involucra, ceramic rod adopts in the outside epoxy encapsulation, and two end utmost points stretch out epoxy. The utility model discloses a fire resistance epoxy encapsulated moulding has the good advantage of high temperature resistant, resistant high wet and insulating nature, adopting high temperature vacuum coating technology, closely attaching nichrome on the ceramic rod surface, the accurate stability of resistance, high rated power (reaching as high as 15W), resistant various wave mode high voltages dash, have the resistance of stabilizing under accurate fusing characteristic and the high temperature, adopt paster packaging design, can realize the subsides of automatic SMT and pretend the industry, have higher stability, the assembly fee is low. The during operation can fuse in explosion -proof insurance, and the security is high, the operation has lasting high stability under rated power, and is safe durable.
Description
Technical field
This utility model relates to a kind of resistor, a kind of high-power resin-encapsulated metal film patch resistor.
Background technology
Metal film resistor makees resistance material with specialty metal or alloy exactly, by vacuum evaporation or the method for sputtering, essentially forms the resistor of resistive layer at pottery or glass.This kind of resistor typically uses vacuum evaporation technology to prepare, and adds thermalloy the most in a vacuum, and alloy evaporates, and makes porcelain rod surface form one layer of conductive metal film.Cutting and change thickness of metal film can control resistance.The electrical properties such as its thermostability, noise potential, temperature coefficient, voltage coefficient are more excellent than carbon film resistor.The manufacturing process of metal film resistor is relatively more flexible, is possible not only to adjust its material composition and thicknesses of layers, it is possible to adjusts resistance by cutting, thus can make functional, the resistor that Standard resistance range is wider.
Current domestic metal film resistor is lead type insert design, it is impossible to realize SMT Automated assembly, waste of manpower and time during assembling.Existing metal film resistor resistance is the most accurate, it is impossible to meet high-precision use requirement.
Utility model content
The purpose of this utility model is to provide a kind of high-power resin-encapsulated metal film patch resistor, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of high-power resin-encapsulated metal film patch resistor, including porcelain rod, chapeau de fer or copper cap and end pole, what described porcelain was excellent is respectively arranged at the two ends with an end pole, and end pole is welded on chapeau de fer or copper cap；It is coated with epithelium on porcelain rod, epithelium is carved with accurate groove；Epoxy encapsulation, two end poles is used to stretch out epoxy resin outside porcelain rod.
As further program of the utility model: described epithelium is nichrome.
As this utility model further scheme: its power is 2W ~ 7W, resistance is 10 Ω ~ 2M Ω.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, reasonable in design, use fire-retarded epoxy resin encapsulated moulding, have high humidity high temperature resistant, resistance to and the advantage of good insulating；Use high-temperature vacuum coating technology, nichrome is closely attached to porcelain rod surface, the punching of resistance stable precision, nominal power (reaching as high as 15W), resistance to various wave mode high voltages, the stable resistance having under operating chacteristics and high temperature accurately；Use paster encapsulation design, automatic SMT can be realized and mount operation；Having higher stability, assembly fee is low.During work can explosion-proof fuse melting, safety is high；Operation has lasting high stability, safety durable under nominal power.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-epoxy resin, 2-precision groove, 3-porcelain rod, 4-epithelium, 5-chapeau de fer or copper cap, 6-end pole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, a kind of high-power resin-encapsulated metal film patch resistor, including porcelain rod 3, chapeau de fer or copper cap 5 and end pole 6, described porcelain rod 3 be respectively arranged at the two ends with an end pole 6, end pole 6 is welded on chapeau de fer or copper cap 5, and pole, opposite end 6 plays a protective role；Use high-temperature vacuum coating technology that nichrome is closely attached to porcelain rod 3 surface and form epithelium 4, through engraving debugging resistance, to reach the accurate resistance finally required, then add suitable joint and carve out accurate groove 2；Using epoxy resin 1 to encapsulate outside porcelain rod 3, epoxy resin 1 is stretched out in two end poles 6.
The power of high-power resin-encapsulated metal film patch resistor described in the utility model is 2W ~ 7W, and resistance is 10 Ω ~ 2M Ω.High-power resin-encapsulated metal film patch resistor described in the utility model high voltage withstanding for 1kV ~ 6kV, it is possible to tolerating high voltage.
This utility model uses fire-retarded epoxy resin encapsulated moulding, the advantage with high temperature resistant, moisture-proof and good insulating；Using high-temperature vacuum coating technology, nichrome is closely attached to porcelain rod 3 surfaces, resistance is accurate；Use paster encapsulation design, automatic SMT can be realized and mount operation；Having higher stability, assembly fee is low.During work can explosion-proof fuse melting, safety is good.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
1. a high-power resin-encapsulated metal film patch resistor, including porcelain rod (3), chapeau de fer or copper cap (5) and end pole (6), it is characterized in that: described porcelain rod (3) be respectively arranged at the two ends with one end pole (6), end pole (6) be welded on chapeau de fer or copper cap (5)；It is coated with epithelium (4) on porcelain rod (3), epithelium (4) is carved with accurate groove (2)；Porcelain rod (3) outside uses epoxy resin (1) encapsulation, two ends pole (6) to stretch out epoxy resin (1).
High-power resin-encapsulated metal film patch resistor the most according to claim 1, it is characterised in that: described epithelium (4) is nichrome.
High-power resin-encapsulated metal film patch resistor the most according to claim 1, it is characterised in that: its power is 2W ~ 7W, and resistance is 10 Ω ~ 2M Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224724.9U CN205428612U (en) | 2016-03-23 | 2016-03-23 | High -power resin package metal film chip resistor ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224724.9U CN205428612U (en) | 2016-03-23 | 2016-03-23 | High -power resin package metal film chip resistor ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428612U true CN205428612U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620224724.9U Expired - Fee Related CN205428612U (en) | 2016-03-23 | 2016-03-23 | High -power resin package metal film chip resistor ware |
Country Status (1)
| Country | Link |
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| CN (1) | CN205428612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590709A (en) * | 2016-03-23 | 2016-05-18 | 东莞市爱伦电子科技有限公司 | High-power resin-package metal-film surface-mounted resistor |
-
2016
- 2016-03-23 CN CN201620224724.9U patent/CN205428612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590709A (en) * | 2016-03-23 | 2016-05-18 | 东莞市爱伦电子科技有限公司 | High-power resin-package metal-film surface-mounted resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 101, No. 3, Lane 1, Baimu Road, Shatian Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN AILLEN ELECTRONIC TECHNOLOGY CO., LTD. Address before: 523000 Dongcheng District, Dongcheng District, Dongguan City, Guangdong Province, Unit 1 Office 805, No. 11 Dongguan Avenue, Global Economic and Trade Center Patentee before: DONGGUAN AILLEN ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210323 |