CN208873614U - The ultra-thin capacitor of MPBH high-frequency emission - Google Patents
The ultra-thin capacitor of MPBH high-frequency emission Download PDFInfo
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- CN208873614U CN208873614U CN201821382828.8U CN201821382828U CN208873614U CN 208873614 U CN208873614 U CN 208873614U CN 201821382828 U CN201821382828 U CN 201821382828U CN 208873614 U CN208873614 U CN 208873614U
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- mpbh
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- frequency emission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model discloses the ultra-thin capacitors of MPBH high-frequency emission; including capacitor body and the leading-out terminal for being set to capacitor body lower part two sides; capacitor body is flat; capacitor body ecto-entad is successively arranged encapsulating shell, protective film, metal contact layer; two sides are separately connected the leading-out terminal of two sides in metal contact layer, are equipped with several electrode plates being oppositely arranged inside metal contact layer.The utility model has ultralow equivalent series resistance, can emit high frequency electrical signal.
Description
Technical field
The present invention relates to field of electronic device more particularly to a kind of large capacity square motor capacitor and its manufacturers
Method.
Background technique
Wireless charging technology had obtained Rapid Popularization in recent years, and wireless charger is seemed just as one piece of plastics mouse pad,
Mobile phone etc., which is placed on pad above, to charge, and multiple equipment can be given to charge simultaneously.MLCC system is used in such charger
The patch capacitor of NPO model is arranged, rare since this patch capacitor material is special, only Japan, South Korea grasp main close at present
Key technology, this capacitor madness appreciates at present, or even can not buy.
NPO is a kind of most common monolithic ceramic capacitor with temperature compensation characteristic.Its filled media be by rubidium,
What samarium and some other rare oxides formed.NPO capacitor is one of capacitance and the most stable of capacitor of dielectric loss.?
Volume change is 0 ± 30ppm/ DEG C when temperature is from -55 DEG C to+105 DEG C, and the variation of capacitance with frequencies is less than ± 0.3 Δ C.NPO
The drift of capacitor or lag are less than ± 0.05%, relatively larger than being negligible for ± 2% thin-film capacitor.It is typical
The capacity relative usage service life variation be less than ± 0.1%.NPO capacitor is with its different capacitance of packing forms and dielectric loss
Characteristic varying with frequency is also different, and the frequency characteristic than small package size of big package dimension is good.
NPO capacitor application is extensive at present, and dosage is huge.Therefore new electricity is developed on the basis of NPO capacitor now
Container is to replace the use of NPO capacitor.
Summary of the invention
Technical problems based on background technology, the invention proposes the ultra-thin capacitors of MPBH high-frequency emission.
The ultra-thin capacitor of MPBH high-frequency emission, including capacitor body and the extraction for being set to capacitor body lower part two sides
Terminal, capacitor body be it is flat, capacitor body ecto-entad is successively arranged encapsulating shell, protective film, metal contact layer, envelope
Filling shell, protective film, metal contact layer is oval web-like, and two sides are separately connected the leading-out terminal of two sides, metal in metal contact layer
Several electrode plates being oppositely arranged are equipped with inside contact layer.
Preferably, electrode plate is sector, and fan angle is 15-20 °, electrode plate be placed in the two sides point of metal contact layer
Not Zuo Wei anode and cathode, the positive-negative electrode plate of two sides is mutually between the upper and lower every setting.
Preferably, electrode plate is sector, and fan angle is 15-20 °, electrode plate be placed in the two sides point of metal contact layer
Not Zuo Wei anode and cathode, the positive-negative electrode plate of two sides is mutually between the upper and lower every setting.
Preferably, electrode plate is ultra-thin zinc-aluminium metal plate.
Preferably, one of leading-out terminal, inserted sheet or lead-out wire can be selected in leading-out terminal, using tin plating copper material.
Preferably, electrode plate surface is equipped with polypropylene film as medium.
Preferably, electrode plate thickness 0.01-0.05 microns.
Preferably, the sheet resistance range of electrode plate surface polypropylene film is 1-3 ohm.
Preferably, insulation glaze, surface spray printing capacitance information are equipped with outside encapsulating shell.
An advantage of the invention is that it provides the ultra-thin capacitors of MPBH high-frequency emission, have ultralow equivalent series resistance,
High frequency electrical signal can be emitted, following technical indicator can be reached:
Voltage rating 50V.DC-400V.DC；
0.001 μ F-1.0 μ F of rated capacity；
- 55 °C -105 °C of temperature range；
Capacity tolerance ± 5%；
25 ± 5 DEG C of 10s of interpolar proof voltage 1.5Ur (DC)；
δ≤1 the μ F tg of loss angle tangent Cr≤1.0 × 10-3,1.0 δ≤6 × 10 μ F tg Cr >-4(1KHZ)；
Insulation resistance C*IR >=10000S, at 50VDC, 25 ± 5 DEG C, 60S；
105 DEG C of and of life expectancy 100000h at Ur.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ultra-thin capacitor of MPBH high-frequency emission proposed by the present invention；
Fig. 2 is the cross-sectional view of the ultra-thin capacitor of MPBH high-frequency emission proposed by the present invention；
Fig. 3 is the internal structure chart of the ultra-thin capacitor of MPBH high-frequency emission proposed by the present invention；
Fig. 4 is the inside top figure of the ultra-thin capacitor of MPBH high-frequency emission proposed by the present invention.
Specific embodiment
With reference to Fig. 1-4, combined with specific embodiments below the present invention is made further to explain.
The ultra-thin capacitor of MPBH high-frequency emission including capacitor body 1 and is set to drawing for 1 lower part two sides of capacitor body
Terminal 2 out, capacitor body 1 be it is flat, 1 ecto-entad of capacitor body is successively arranged encapsulating shell 3, protective film 4, metal and connects
Contact layer 5, encapsulating shell 3, protective film 4, metal contact layer 5 are oval web-like, and two sides are separately connected drawing for two sides in metal contact layer 5
Terminal 2 out are equipped with several electrode plates 6 being oppositely arranged inside metal contact layer 5.
Electrode plate 6 is sector, and fan angle is 15-20 °, the be placed in two sides of metal contact layer 5 of electrode plate 6 make respectively
For anode and cathode, two sides are mutually staggered electrode plate 6 in the vertical direction, and positive electrode plate 6 is on vertical position and cathode
6 side side of electrode plate fitting but without coincidence.
The dielectric loss and frequency characteristic of capacitor can be greatly optimized in this positional structure, and electrode plate 6 is ultra-thin zinc-aluminium gold
Belong to plate, the charge storage ability of capacitor can be effectively improved；
One of leading-out terminal, inserted sheet or lead-out wire can be selected in leading-out terminal 2, using tin plating copper material, can extend electricity
The service life of container；
6 surface of electrode plate is equipped with polypropylene film and is used as medium, safe and reliable, with good self-healing performance；
0.01-0.05 microns of 6 thickness of electrode plate, the sheet resistance range of 6 surface polypropylene film of electrode plate are 1-3 ohm, energy
Reduce the volume of capacitor, improves tranmitting frequency.
Insulation glaze is equipped with outside encapsulating shell 3, surface spray printing capacitance information plays mark action.
An advantage of the invention is that it provides the ultra-thin capacitors of MPBH high-frequency emission, have ultralow equivalent series resistance,
High frequency electrical signal can be emitted, following technical indicator can be reached:
Voltage rating 50V.DC-400V.DC；
0.001 μ F-1.0 μ F of rated capacity；
- 55 °C -105 °C of temperature range；
Capacity tolerance ± 5%；
25 ± 5 DEG C of 10s of interpolar proof voltage 1.5Ur (DC)；
δ≤1 the μ F tg of loss angle tangent Cr≤1.0 × 10-3,1.0 δ≤6 × 10 μ F tg Cr >-4(1KHZ)；
Insulation resistance C*IR >=10000S, at 50VDC, 25 ± 5 DEG C, 60S；
105 DEG C of and of life expectancy 100000h at Ur.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
- The ultra-thin capacitor of 1.MPBH high-frequency emission, which is characterized in that including capacitor body (1) and be set to capacitor body (1) leading-out terminal (2) of lower part two sides, the capacitor body (1) are flat, capacitor body (1) ecto-entad It is successively arranged encapsulating shell (3), protective film (4), metal contact layer (5), the encapsulating shell (3), protective film (4), metal contact layer It (5) is oval web-like, the interior two sides of the metal contact layer (5) are separately connected the leading-out terminal (2) of two sides, the metal contact layer (5) internal to be equipped with several electrode plates (6) being oppositely arranged.
- 2. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that the electrode plate (6) is fan Shape, fan angle be 15-20 °, the electrode plate (6) be placed in metal contact layer (5) two sides respectively as anode and it is negative Pole, the positive and negative electrode plate (6) of two sides is mutually between the upper and lower every setting.
- 3. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that the positive electrode plate (6) it is bonded but with the electrode plate of cathode (6) side side without coincidence on vertical position.
- 4. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that the electrode plate (6) is super Thin zinc-aluminium metal plate.
- 5. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that the leading-out terminal (2) can One of leading-out terminal, inserted sheet or lead-out wire are selected, using tin plating copper material.
- 6. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that electrode plate (6) surface Equipped with polypropylene film as medium.
- 7. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that electrode plate (6) thickness 0.01-0.05 microns.
- 8. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that electrode plate (6) surface The sheet resistance range of polypropylene film is 1-3 ohm.
- 9. the ultra-thin capacitor of MPBH high-frequency emission according to claim 1, which is characterized in that the encapsulating shell (3) is external Equipped with insulation glaze, surface spray printing capacitance information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382828.8U CN208873614U (en) | 2018-08-27 | 2018-08-27 | The ultra-thin capacitor of MPBH high-frequency emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382828.8U CN208873614U (en) | 2018-08-27 | 2018-08-27 | The ultra-thin capacitor of MPBH high-frequency emission |
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| Publication Number | Publication Date |
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| CN208873614U true CN208873614U (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821382828.8U Active CN208873614U (en) | 2018-08-27 | 2018-08-27 | The ultra-thin capacitor of MPBH high-frequency emission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103019A (en) * | 2018-08-27 | 2018-12-28 | 浙江七星电容器有限公司 | The ultra-thin capacitor of MPBH high-frequency emission |
| CN110684944A (en) * | 2019-09-29 | 2020-01-14 | 浙江七星电子股份有限公司 | Double-sided aluminum metalized polypropylene film, preparation method thereof and capacitor core |
-
2018
- 2018-08-27 CN CN201821382828.8U patent/CN208873614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103019A (en) * | 2018-08-27 | 2018-12-28 | 浙江七星电容器有限公司 | The ultra-thin capacitor of MPBH high-frequency emission |
| CN110684944A (en) * | 2019-09-29 | 2020-01-14 | 浙江七星电子股份有限公司 | Double-sided aluminum metalized polypropylene film, preparation method thereof and capacitor core |
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