CN208000795U - A kind of patch resistor - Google Patents
A kind of patch resistor Download PDFInfo
- Publication number
- CN208000795U CN208000795U CN201820491446.2U CN201820491446U CN208000795U CN 208000795 U CN208000795 U CN 208000795U CN 201820491446 U CN201820491446 U CN 201820491446U CN 208000795 U CN208000795 U CN 208000795U
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- China
- Prior art keywords
- internal electrode
- layer
- resistive layer
- ceramic substrate
- back side
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Abstract
The utility model provides a kind of patch resistor, including ceramic substrate, the ceramic substrate is equipped with one layer of resistive layer, two upper lateral parts of the ceramic substrate are equipped with front internal electrode, two side lower parts of the ceramic substrate are equipped with back side internal electrode, the positive both ends of the resistive layer are connect with the front internal electrode respectively, and the reverse side both ends of the resistive layer are connect with the back side internal electrode respectively, and the front internal electrode is in parallel with the back side internal electrode.The ability that two resistance in parallel improve its load power is formed in substrate front side and the back side.
Description
Technical field
The utility model is related to a kind of patch resistors.
Background technology
Surface mount elements have it is small, light-weight, packing density is high, the strong strong antijamming capabilities of shock resistance, high frequency characteristics is good
The advantages that, it is widely used in computer, mobile phone, e-dictionary, medical electronics product, video camera, electronic electric meter and VCD machines
Deng.
Resistor (Resistor) is general in daily life to be directly known as resistance, is a current limiting element.Resistance is connect
After in circuit, it is usually two pins that the resistance value of resistor, which is fixed, it can limit big by the electric current on its institute's chord road
It is small.Resistance value is unalterable to be known as fixed resister, resistance value variable referred to as potentiometer or variable resistance.Ideal resistor
Be it is linear, i.e., it is directly proportional to additional instantaneous voltage by the transient current of resistor.Variable resistance for partial pressure.Naked
On the resistive element of dew, one or two removable hard contact pressed against.Contact position determines the resistance between resistive element either end and contact
Value.
The resistance value size of resistive element generally also has cross-sectional area related with temperature, material, length, and gauge resistor is by temperature
The physical quantity that degree influences size is temperature coefficient, is defined as resistance value changed percentage when temperature often increases 1 DEG C.Electricity
The main physical characteristics of resistance are to become electric energy as thermal energy, as soon as can also say it is a dissipative cell, electric current generates interior energy by it.Electricity
Resistance usually plays partial pressure, shunting in circuit.For signal, exchange can pass through resistance with direct current signal.Tradition
The resistor of design is printed using substrate front side, product load power limited ability.
Utility model content
In view of the foregoing deficiencies of prior art, the utility model aim is to provide a kind of patch resistor, passes through
Resistive layer structure design improves the ability of the load power of resistor.
In order to achieve the above objects and other related objects, the utility model provides a kind of patch resistor, including ceramic base
Plate, the ceramic substrate are equipped with one layer of resistive layer, and two upper lateral parts of the ceramic substrate are equipped with front internal electrode, the pottery
Two side lower parts of porcelain substrate are equipped with back side internal electrode, and the positive both ends of the resistive layer connect with the front internal electrode respectively
It connects, the reverse side both ends of the resistive layer are connect with the back side internal electrode respectively, the front internal electrode and the back side
Internal electrode is in parallel.
Preferably, the thickness of the resistive layer is 0.005-0.020mm.
Preferably, the width of the front internal electrode and the resistive layer is 2.4-2.8mm, the front internal electrode
Length is 1.0-1.2mm, and the resistive layer length is 4.2-4.6mm.
Preferably, the resistive layer is externally provided with the first protective layer, and first protective layer is externally provided with the second protective layer.
Preferably, the front internal electrode is equipped with electroless nickel layer, and the electroless nickel layer is externally provided with electro-galvanized layer.
As described above, a kind of patch resistor provided by the utility model, has the advantages that:By substrate just
Face and the back side form two resistance in parallel, improve the power-carrying of Chip-R, by original highest carrying 70W improve to
1000W。
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of patch resistor.
Fig. 2 is a kind of positive structure schematic of patch resistor.
Fig. 3 is a kind of structure schematic diagram of patch resistor.
1-ceramic substrate, 2-back side internal electrodes, 3-front internal electrodes, 4-resistive layers, the 5-the first protective layer,
6-the second protective layer, 7-lateral inner electrodes, 8-electroless nickel layers, 9-electro-galvanized layers.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It please refers to Fig.1 to Fig.3.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, is not limited to the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, enforceable when being also considered as the utility model in the case where changing technology contents without essence
Scope.
As shown in Figure 1 to Figure 3, the utility model provides a kind of patch resistor, including ceramic substrate 1, the ceramic base
Plate 1 is equipped with one layer of resistive layer 4, and two upper lateral parts of the ceramic substrate 1 are equipped with front internal electrode 3, the ceramic substrate 1
Two side lower parts are equipped with back side internal electrode 2, and the positive both ends of the resistive layer 4 are connect with the front internal electrode 3 respectively, institute
The reverse side both ends for stating resistive layer 4 are connect with the back side internal electrode 2 respectively, in the front internal electrode 3 and the back side
Portion's electrode 2 is in parallel.
In the present embodiment, the thickness of the resistive layer 4 is 0.005-0.020mm.
In the present embodiment, the width of the front internal electrode 3 and the resistive layer is 2.4-2.8mm, the front
3 length of internal electrode is 1.0-1.2mm, and the resistive layer length is 4.2-4.6mm.
In the present embodiment, the resistive layer 4 is externally provided with the first protective layer 5, and first protective layer 5 is externally provided with the second guarantor
Sheath 6.
In the present embodiment, the front internal electrode 3 is equipped with electroless nickel layer 8, and the electroless nickel layer 8 is externally provided with electrogalvanizing
Layer 9.
In conclusion the utility model provides a kind of patch resistor, in parallel in substrate front side and back side formation two
Resistance improves the ability of its load power.So the utility model effectively overcomes various shortcoming in the prior art and has height
Spend industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of patch resistor, it is characterised in that:Including ceramic substrate, the ceramic substrate is equipped with one layer of resistive layer, institute
Two upper lateral parts for stating ceramic substrate are equipped with front internal electrode, and two side lower parts of the ceramic substrate are equipped with back side internal electrode,
The positive both ends of the resistive layer are connect with the front internal electrode respectively, the reverse side both ends of the resistive layer respectively with it is described
Back side internal electrode connection, the front internal electrode are in parallel with the back side internal electrode.
2. a kind of patch resistor according to claim 1, it is characterised in that:The thickness of the resistive layer is 0.005-
0.020mm。
3. a kind of patch resistor according to claim 1, it is characterised in that:The front internal electrode and the resistance
The width of layer is 2.4-2.8mm, and the front internal electrode length is 1.0-1.2mm, and the resistive layer length is 4.2-
4.6mm。
4. a kind of patch resistor according to claim 3, it is characterised in that:The resistive layer is externally provided with the first protection
Layer, first protective layer are externally provided with the second protective layer.
5. a kind of patch resistor according to claim 1, it is characterised in that:The front internal electrode is equipped with electronickelling
Layer, the electroless nickel layer are externally provided with electro-galvanized layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491446.2U CN208000795U (en) | 2018-04-09 | 2018-04-09 | A kind of patch resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491446.2U CN208000795U (en) | 2018-04-09 | 2018-04-09 | A kind of patch resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000795U true CN208000795U (en) | 2018-10-23 |
Family
ID=63839499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491446.2U Active CN208000795U (en) | 2018-04-09 | 2018-04-09 | A kind of patch resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000795U (en) |
-
2018
- 2018-04-09 CN CN201820491446.2U patent/CN208000795U/en active Active
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