CN208109921U - A kind of high power current sensing component - Google Patents
A kind of high power current sensing component Download PDFInfo
- Publication number
- CN208109921U CN208109921U CN201820648631.8U CN201820648631U CN208109921U CN 208109921 U CN208109921 U CN 208109921U CN 201820648631 U CN201820648631 U CN 201820648631U CN 208109921 U CN208109921 U CN 208109921U
- Authority
- CN
- China
- Prior art keywords
- main body
- resistor main
- sensing component
- current sensing
- high power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 2
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002346 layers by function Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 239000000470 constituent Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910003172 MnCu Inorganic materials 0.000 description 1
- 229910003322 NiCu Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 210000002867 adherens junction Anatomy 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Details Of Resistors (AREA)
Abstract
The high power current sensing component of the utility model, including resistor main body, termination electrode and insulating protective layer, two termination electrodes are set to the both ends of resistor main body and the surface bulge of relative resistance ontology, and the exposed face of resistor main body is equipped with insulating protective layer.This current sensing component; base plate carrying resistor main body and termination electrode are not needed; directly termination electrode is connected in resistor main body; resistor main body is while as functional layer; also act as the effect of support; the insulating protective layer thinner thickness of resistor main body surface coating; it only needs to envelope resistor main body; insulating protective layer is a kind of coating; thickness is thin compared to insulating substrate very much, so that the thermal diffusivity of resistor main body is optimized, so that current sensing component can carry biggish electric current; the task performance of current sensing component is promoted, there is high power.
Description
Technical field
The utility model relates to current sensing component fields, in particular to a kind of high power current sensing component.
Background technique
As design of electronic products trend is smaller and smaller, all active members, passive device also must be with circuit board foots
Very little diminution and reduced its volume, to adapt to the trend of electronic product microminiaturization.Due to allowed processing procedure small in size
Error will be more stringent, for small size and unit price and low passive device, how maintain the yield and stabilization of product
Property, it has also become industry project most deeply concerned.
For existing current sensing component while volume is done small, heat dissipation performance is ignored, current sensing component
Heat dissipation performance is poor, prevent current sensing component is limited by very large from carrying high current, power.
Utility model content
In view of this, it is thin, scattered to provide a kind of thickness the purpose of this utility model is to overcome deficiency in the prior art
Good in thermal property, structure be simple, can load high current high power current sensing component.
For this purpose, the utility model provides the following technical solutions：
High power current sensing component, including resistor main body, termination electrode and insulating protective layer, two termination electrodes are set to
The surface bulge of the both ends of the surface of the resistor main body and the relatively described resistor main body, the exposed face of the resistor main body are equipped with institute
State insulating protective layer.
As the further alternative scheme to above-mentioned high power current sensing component, two termination electrodes are welded in
The both ends of the surface of the resistor main body are covered with the insulating protective layer on two faces of the resistor main body.
As the further alternative scheme to above-mentioned high power current sensing component, the termination electrode is from the resistance
The two sides protrusion of ontology.
As the further alternative scheme to above-mentioned high power current sensing component, the relatively described electricity of the termination electrode
Hinder that ontology one side is equal, and another side is from the resistor main body surface bulge；The termination electrode face equal with the resistor main body
It is equipped with the insulating protective layer.
As the further alternative scheme to above-mentioned high power current sensing component, the both ends of the resistor main body are set
Fluted, the termination electrode is set in the groove.
As the further alternative scheme to above-mentioned high power current sensing component, the termination electrode passes through described
It is electroplated and is formed in groove.
As the further alternative scheme to above-mentioned high power current sensing component, the depth of the groove is described
The 1/4-1/3 of the thickness of resistor main body.
As the further alternative scheme to above-mentioned high power current sensing component, the material of the insulating protective layer
For silicone resin or epoxy resin.
As the further alternative scheme to above-mentioned high power current sensing component, the material packet of the resistor main body
Include copper alloy, ferroalloy or nickel alloy.
As the further alternative scheme to above-mentioned high power current sensing component, the termination electrode from the inside to the outside according to
Secondary includes layers of copper, nickel layer and tin layers.
The embodiments of the present invention at least have the following advantages that：
This current sensing component does not need base plate carrying resistor main body and termination electrode, termination electrode is directly connected to resistance
On ontology, resistor main body also acts as the effect of support, the insulation protection of resistor main body surface coating while as functional layer
Layer thinner thickness, it is only necessary to envelope resistor main body, insulating protective layer is a kind of coating, and thickness is thin compared to insulating substrate
Very much, to optimize the thermal diffusivity of resistor main body, so that current sensing component can carry biggish electric current, electricity is promoted
The task performance of sensing component is flowed, there is high power.
Resistor main body selects the thickness for being able to maintain that its form, resistance due to the performance requirement of current sensing component simultaneously
The thickness of ontology increases, so that the impedance of the current sensing component of sheet is lower, and then is resistant to high power and high current.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the bottom view that the utility model implements the high power current sensing component provided；
Fig. 2 shows a kind of main views for high power current sensing component that the utility model is implemented to provide；
Fig. 3 shows the main view that the utility model implements another high power current sensing component provided；
Fig. 4 shows the main view that the utility model implements another the high power current sensing component provided.
Icon：1- current sensing component；11- resistor main body；12- termination electrode；121- layers of copper；122- nickel layer；123- tin layers；
13- insulating protective layer.
Specific embodiment
Hereinafter, the various embodiments of the utility model will be described more fully in conjunction with attached drawing.The utility model can have
There are various embodiments, and can adjust and change wherein.Therefore, specific embodiment reference being shown in the accompanying drawings is more
Describe the utility model in detail.It should be understood, however, that：It is practical new herein there is no the various embodiments of the utility model are limited to
The intention of the specific embodiment of type, but the utility model should be interpreted as covering the various embodiments for falling into the utility model
All adjustment, equivalent and/or optinal plan in spirit and scope.Description taken together with the accompanying drawings, same reference numerals
Same element.
It hereinafter, can the term " includes " used in the various embodiments of the utility model or " may include " instruction institute
Function, operation or the presence of element of utility model, and the increase of one or more functions, operation or element is not limited.
In addition, term " includes ", " having " and its cognate are meant only to indicate as used in the various embodiments of the utility model
Special characteristic, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one first
Or more other feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more
A feature, number, step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the utility model, states "or" or " at least one of A or/and B " includes while arranging
Any combination of text out or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, can
It including B or may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified various
Various constituent element in embodiment, but respective sets can not be limited into element.For example, the above statement is not intended to limit the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first uses
Family device and second user device indicate different user device, although the two is all user apparatus.For example, practical not departing from
In the case where the range of novel various embodiments, first element is referred to alternatively as second element, and similarly, second element can also quilt
Referred to as first element.
It should be noted that：It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously
It is not intended to the various embodiments of limitation the utility model.As used herein, singular is intended to also include plural form, unless
Context is expressly otherwise indicated.Unless otherwise defined, otherwise all terms used herein (including technical term and science
Term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the utility model
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in the various embodiments of utility model.
Embodiment
Also referring to Fig. 1 and Fig. 2, high power current sensing component 1, including resistor main body 11, termination electrode 12 and insulation
Protective layer 13.Two termination electrodes 12 are set to the both ends of the surface of resistor main body 11 and the surface bulge of relative resistance ontology 11, resistance sheet
The exposed face of body 11 is equipped with insulating protective layer 13.
It should be noted that resistor main body 11 should have certain thickness, so that under 1 normality of current sensing component not
It can deform easily, guarantee that current sensing component 1 has certain intensity.
In the present embodiment, two end electrodes are welded on the both ends of the surface of resistor main body 11, and resistor main body 11 is that rectangle is thin
Plate, end electrode are thin piece of rectangle, and the length of end electrode is corresponding with the width of resistor main body 11, by welding fabrication in electricity
Hinder the both ends of ontology 11.
Resistor main body 11 it is two-face exposed, thus be covered with insulating protective layer 13 on two faces of resistor main body 11.Insulation is protected
Resistor main body 11 is completely covered sheath 13, so that 11 surface of resistor main body is by extraneous physical damage, to 11 shape of resistor main body
At protection, to extend the service life of current sensing component 1.
In the present embodiment, the two sides protrusion of 12 self-resistance ontology 11 of termination electrode, the i.e. thickness of termination electrode 12 is greater than resistance sheet
The thickness of body 11.The section that entire current sensing component 1 is in is in " I " type.The both ends of resistor main body 11 directly with two termination electrodes
12 connections, it is ensured that during the resistance value for measuring resistor main body 11 using the current sensing component 1, electric current is from the end of one end
Electrode 12 directly flows to the termination electrode 12 of another side through resistor main body 11, so that the resistance value for the resistor main body 11 being calculated
It is more accurate.In addition, the structure of this current sensing component 1 is simple and compact, performance is stable, safety is good, cost is relatively low, production
Simple process is suitable for batch production.
Current sensing component 1 has front electrode, opposite electrode and end electrode, the design structure of this termination electrode 12
It can ensure that current sensing component 1 can more firmly weld on a printed circuit during (SMT) is installed on surface.
As shown in figure 3, in another embodiment, 12 relative resistance ontology of termination electrode, 11 equal, the another side self-resistance of one side
11 surface bulge of ontology, current sensing component 1 are in " recessed " shape.The face equal with resistor main body 11 of termination electrode 12 is equipped with insulation and protects
Sheath 13.
One whole face of current sensing component 1 is equipped with insulating protective layer 13, and current sensing component 1 has front electrode and end
Face electrode, the design structure of this termination electrode 12 can equally guarantee that current sensing component 1 can be stronger during SMT
Welding is on a printed circuit.The opposite electrode of termination electrode 12 is covered using insulating protective layer 13 again simultaneously, can be firm
Under the premise of welding, it is reduced as far as the exposed of termination electrode 12, so that current sensing component 1 is electrically exposed less, to electric current
The stable connection of sensing component 1 forms good protection.
As shown in figure 4, in another embodiment, the both ends of resistor main body 11 are equipped with groove, termination electrode 12 is set in groove.
Groove is the groove set on 11 end of resistor main body, and section is L-shaped, and there are two the resistor main bodies 11 of groove to assume a " convex " shape for band.End
Electrode 12 is embedded in groove, and in the surface bulge of resistor main body 11, so that current sensing component 1 is in " recessed " shape.End electricity
Pole 12 equally has front electrode and end electrode.
The depth of groove is the 1/4-1/3 of the thickness of resistor main body 11, so that the termination electrode 12 being embedded in groove
It can be adequately electrically connected with resistor main body 11, can be realized and stablize effective electric current transmission.
The material of resistor main body 11 is Cu alloy, NiCu alloy, NiCr alloy, MnCu alloy, MnCuSn alloy, NiCrCu
One of alloy, FeCrAl alloy or NiCrAlSi alloy.Copper alloy be using fine copper as matrix be added it is one or more of other
The alloy that element is constituted.With excellent Dao electricity ﹑ Dao Re ﹑ ductility and corrosion resistance.Pass through the electricity made of copper alloy
The molding of the enterprising row line of ontology 11 is hindered, there is excellent conducting efficiency.
Insulating protective layer 13 can be attached to the surface of resistor main body 11 by way of spraying or Adherens Junctions, and insulation is protected
Sheath 13 can also be covered on the surface of resistor main body 11 by way of printing.
The material of insulating protective layer 13 is silicone resin or epoxy resin.Certainly, the protective layer of isolation material may also include it
His resin material, such as polyimide resin.The shape of insulating protective layer 13 and the panel-shaped of resistor main body 11 match.
Insulating protective layer 13 is fire rating coating, meets the requirement of UL-94-V0.
Termination electrode 12 is formed by plating in a groove.The mode of plating enable to termination electrode 12 and resistor main body 11 it
Between form bigger binding force, smaller internal stress enables to termination electrode 12 to be securely connected in resistor main body 11.
Termination electrode 12 successively includes layers of copper 121, nickel layer 122 and tin layers 123 from the inside to the outside.
In the present embodiment, termination electrode 12 successively is formed in 11 higher slice electro-coppering of resistor main body, nickel, tin.By in resistance
Electro-coppering forms the matrix of termination electrode 12 on ontology 11, so that preferable binding force is formed between layers of copper 121 and resistor main body 11,
Then electronickelling and tin, so that the termination electrode 12 that plating is formed has, coated internal stress is small, and crackle, peeling etc. do not occur for coating
Phenomenon has the hardness and wearability of appropriateness, has good solderability, the welding suitable for electronic product.
Layers of copper 121 is conductive layer, and nickel layer 122 is interlayer, for layers of copper 121 and tin layers 123 to be separated, 123 conduct of tin layers
With the welding layer of printed circuit board good welds.
This current sensing component 1 does not need base plate carrying resistor main body 11 and termination electrode 12, directly connects termination electrode 12
In resistor main body 11, resistor main body 11 also acts as the effect of support while as functional layer, and 11 surface of resistor main body applies
13 thinner thickness of insulating protective layer covered, it is only necessary to envelope resistor main body 11, insulating protective layer 13 is a kind of coating, thick
Degree is thin compared to insulating substrate very much, so that the thermal diffusivity of resistor main body 11 is optimized, so that current sensing component 1 can
Biggish electric current is carried, the task performance of current sensing component 1 is promoted, there is high power.
Resistor main body 11 should select the thickness for being able to maintain that its form due to the performance requirement of current sensing component 1 simultaneously,
The thickness of resistor main body 11 increases, so that the impedance of the current sensing component 1 of sheet is lower, and then is resistant to high power and height
Electric current.
Further, resistor main body 11 even relatively large using thickness, is attached to absolutely compared to by resistor main body 11
Thickness on edge substrate still has apparent reduction, is more advantageous to the lightness for realizing current sensing component 1, slimming.
Further, resistor main body 11 is general is formed by thick film processing procedure (mode of printing) or thin film manufacture process (splashing in the way of crossing)
In on insulating substrate；Wherein, for printing-type thick film processing procedure, due to the technical limitation of printing process, the production of part specification
Product have been more than the ability that the processing procedure can be reached；Although the product of part specification is within process capability, subsequent after printing
Process rate is limited by printing process technology and can not be broken through.Therefore, that is, there is the producer of part to change to come with thin film manufacture process
Miniature current sensing component 1 is manufactured, but equipment price needed for thin film manufacture process is expensive, higher cost.This current sensing component 1
The connection process between resistor main body 11 and substrate is eliminated, thus above-mentioned resistor main body 11 connect brought disadvantage with substrate
It has not just existed yet.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (10)
1. high power current sensing component, which is characterized in that including resistor main body, termination electrode and insulating protective layer, described in two
Termination electrode is set to the both ends of the surface of the resistor main body and the surface bulge of the relatively described resistor main body, the resistor main body are exposed
Face is equipped with the insulating protective layer.
2. high power current sensing component according to claim 1, which is characterized in that two termination electrodes are welded in institute
The both ends of the surface of resistor main body are stated, are covered with the insulating protective layer on two faces of the resistor main body.
3. high power current sensing component according to claim 2, which is characterized in that the termination electrode is from the resistance sheet
The two sides protrusion of body.
4. high power current sensing component according to claim 2, which is characterized in that the relatively described resistance of the termination electrode
Ontology one side is equal, and another side is from the resistor main body surface bulge；
The termination electrode face equal with the resistor main body is equipped with the insulating protective layer.
5. high power current sensing component according to claim 1, which is characterized in that the both ends of the resistor main body are equipped with
Groove, the termination electrode are set in the groove.
6. high power current sensing component according to claim 5, which is characterized in that the termination electrode passes through described recessed
It is electroplated and is formed in slot.
7. high power current sensing component according to claim 5, which is characterized in that the depth of the groove is the electricity
Hinder the 1/4-1/3 of the thickness of ontology.
8. high power current sensing component described in any one of -7 according to claim 1, which is characterized in that the insulation protection
The material of layer is silicone resin or epoxy resin.
9. high power current sensing component described in any one of -7 according to claim 1, which is characterized in that the resistor main body
Material include copper alloy, ferroalloy or nickel alloy.
10. high power current sensing component described in any one of -7 according to claim 1, which is characterized in that the termination electrode
It from the inside to the outside successively include layers of copper, nickel layer and tin layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820648631.8U CN208109921U (en) | 2018-05-02 | 2018-05-02 | A kind of high power current sensing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820648631.8U CN208109921U (en) | 2018-05-02 | 2018-05-02 | A kind of high power current sensing component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109921U true CN208109921U (en) | 2018-11-16 |
Family
ID=64115231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820648631.8U Active CN208109921U (en) | 2018-05-02 | 2018-05-02 | A kind of high power current sensing component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324219A (en) * | 2018-11-28 | 2019-02-12 | 江门市钧崴电子科技有限公司 | Four terminal current sensing component of noncontinuous electrode and its production technology |
-
2018
- 2018-05-02 CN CN201820648631.8U patent/CN208109921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324219A (en) * | 2018-11-28 | 2019-02-12 | 江门市钧崴电子科技有限公司 | Four terminal current sensing component of noncontinuous electrode and its production technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI503850B (en) | Over-current protection device | |
| KR20030061353A (en) | Low resistance polymer matrix fuse apparatus and method | |
| KR101762023B1 (en) | Coil component and and board for mounting the same | |
| US20090108986A1 (en) | Chip Resistor | |
| JPH07192902A (en) | Resistor having smd structure, manufacture thereof, and printed-circuit board provided therewith | |
| CN103594213A (en) | overcurrent protection element | |
| KR102326081B1 (en) | Flexible Printed Circuit connection structure and Printed Circuit Board connection method using the same | |
| KR20150132089A (en) | Power resistor with integrated heat spreader | |
| JP2012099744A (en) | Metal plate low resistance chip resistor and method of manufacturing the same | |
| CN208109921U (en) | A kind of high power current sensing component | |
| US8586217B2 (en) | Protective circuit module | |
| US20110303459A1 (en) | Battery connecting tabs | |
| CN104658726B (en) | Overcurrent protection element and protection circuit board thereof | |
| CN111696738B (en) | Overcurrent protection element | |
| CN103021598A (en) | Over-current protecting component | |
| CN206725640U (en) | A kind of current sensing component | |
| CN210349483U (en) | Low-resistance resistor | |
| CN107864555B (en) | Flexible circuit board | |
| CN208113112U (en) | A kind of wire jumper resistance | |
| CN108447634B (en) | Surface-mounted thermistor assembly | |
| CN202736613U (en) | Wafer resistor | |
| US20080157917A1 (en) | Method to increase capacity of a passive element to inrush current | |
| CN207235203U (en) | A kind of circuit board | |
| US10636549B2 (en) | Electronic component | |
| CN112788845A (en) | Non-conductive film having heating function and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Junwei Electronic Technology Co.,Ltd. Country or region after: China Address before: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN JUNWEI ELECTRONIC TECHNOLOGY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |