CN108417362A - A kind of difference common mode inductance - Google Patents
A kind of difference common mode inductance Download PDFInfo
- Publication number
- CN108417362A CN108417362A CN201810161969.5A CN201810161969A CN108417362A CN 108417362 A CN108417362 A CN 108417362A CN 201810161969 A CN201810161969 A CN 201810161969A CN 108417362 A CN108417362 A CN 108417362A
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- common mode
- magnetic core
- mode inductance
- winding
- skeleton
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- 238000004804 winding Methods 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000006247 magnetic powder Substances 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000011162 core material Substances 0.000 description 44
- 238000004519 manufacturing process Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F2017/0093—Common mode choke coil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The present invention relates to inductors technique fields, more particularly to a kind of poor common mode inductance, the skeleton for fixing to be formed including two deck pairings, the skeleton is equipped with several winding slots and each winding slot side is equipped with pin, it is arranged with enameled wire on each winding slot and forms coil, the coil extension is weldingly connected equipped with connecting line with pin, and skeleton both sides corresponding inserted has magnetic core, is located at magnetic core top and is equipped with geometrical clamp by magnetic core fixed clamp；The present invention changes core structure on the basis of poor common mode integrated inductor, reduces the volume and height of inductor, improves the utilization rate of magnetic element, improve the integrated level of power electronic system.
Description
Technical field
The present invention relates to inductors technique fields, more particularly to a kind of poor common mode inductance.
Background technology
In the numerous areas such as aerospace, digital product, electronic switch, photovoltaic generation, inductance is essential portion
Part.How inductance parameters are effectively designed, and hoisting power density improves electromagnetic interference (EMI) situation, is not only related to system
Normal work, and it is related to the optimization of overall performance and the reliable and stable operation of control section.
Inductance is the important means for improving EMI performances.But there are high frequency non-ideal characteristics for each device of inductance, especially
The increase with frequency, due to the presence of parasitic parameter, the high frequency performance of inductance is deteriorated, at this time inductance eliminate common mode interference and
The ability of DM EMI reduces, and may lead to whole system cisco unity malfunction.
In the prior art, it is poor common mode integrated filter inductance that differential mode inductance is used in conjunction with most with common mode inductance needs, will
Differential mode and common mode inductance are integrated together, a magnet ring high magnetic conductivity ferrite material, and a magnet ring uses low magnetic permeability iron
Powder core material, but this structure needs two kinds of magnetic cores, volume is big, and technique is cumbersome.
Invention content
To solve the above problems, the present invention provides one kind on the basis of poor common mode integrated inductor, change magnetic core knot
Structure reduces the volume and height of inductor, improves the utilization rate of magnetic element, improve the integrated level of power electronic system
Poor common mode inductance.
The technical solution adopted in the present invention is：A kind of difference common mode inductance, including bone that two deck pairings fix to be formed
Frame, the skeleton is equipped with several winding slots and each winding slot side is equipped with pin, equal winding on each winding slot
There is enameled wire to form coil, the coil extension is weldingly connected equipped with connecting line with pin, and skeleton both sides corresponding inserted has
Magnetic core is located at magnetic core top and is equipped with geometrical clamp by magnetic core fixed clamp.
Further improvement of these options is that described two decks are correspondingly provided with buckle clamping close to pin and are formed on one side
One cavity is located at cavity both sides and is equipped with slot.
Further improvement of these options is that the magnetic core is correspondingly provided with two, and is equipped with protrusion, described two magnetic
Corresponding be inserted into cavity of the protrusion of core reserves a separate cavities.
Further improvement of these options is to be separately positioned on the center and both sides of magnetic core there are three the protrusion is set,
The protrusion of the center is inserted into cavity, and the protrusion of two side position is inserted into slot.
Further improvement of these options is that the winding slot corresponds to empty cavity position, and the coil corresponds to cavity position
It sets and is adhesive with adhesive tape.
Further improvement of these options is that the winding slot is equipped with two, and coiling groove center is equipped with a partition board by two
Winding slot is separated into four winding slots, and the pin is inserted in skeleton close to the side of every winding slot.
Further improvement of these options is that link slot is offered on the partition board, and the enameled wire is by two winding slots
The coil of upper winding is connected to.
Further improvement of these options is that the magnetic core is Ferrious material alloy soft magnetic powder die cast.
Further improvement of these options is that fixing groove is offered outside the magnetic core, and the geometrical clamp is held on solid
Determine slot to fix magnetic core.
Further improvement of these options is that the outer surface of the difference common mode inductance is coated with insulated paint.
Beneficial effects of the present invention are：
If fixing the skeleton to be formed there are two deck pairing, fixed using pairing mode, improve manufacture efficiency, reduces manufacture
Cost, the skeleton is equipped with several winding slots and each winding slot side is equipped with pin, can be convenient for by winding slot
Coiling manufactures, and is easy to implement Automated winding, improves production efficiency, is further provided with pin and carries out grafting conduction use, is convenient for
It installs and uses, enameled wire is arranged on each winding slot and forms coil, by spooling equipment by enameled wire around being located at winding slot
Upper formation coil manufactures convenient for coiling, improves production efficiency, and the coil extension is weldingly connected equipped with connecting line with pin,
It needs to reserve connecting line in winding process and pin welds to form conductive pin, improve conductive effect, using being weldingly connected, connect
Effect is good, and skeleton both sides corresponding inserted has magnetic core, and magnetic core is plugged in the both sides that skeleton is located at coil, will form electromagnetism sense
It answers, there is larger application power in actual use, be located at magnetic core top and be equipped with geometrical clamp by magnetic core fixed clamp, by solid
Magnetic core is clamped on skeleton by clamp, forms the ontology of poor common mode inductance.
In the present invention, on the basis of poor common mode integrated inductor, change core structure, reduce the volume of inductor with
Highly, the utilization rate for improving magnetic element improves the integrated level of power electronic system；Overall structure is simple, manufacturing cost is low,
And it is not related to complicated technology, while the change that the original structure that avoids inductance is big, it is answered in high-power grade high power density
There is larger application value with occasion.
Description of the drawings
Fig. 1 is the side view of the poor common mode inductance of the present invention；
Fig. 2 is the lower view of the poor common mode inductance of the present invention；
Fig. 3 is the side view of skeleton of the present invention.
Description of drawing identification：Poor common mode inductance 100, skeleton 110, deck 111, buckle 111a, cavity 111b, slot
111c, winding slot 112, partition board 112a, link slot 112b, pin 113, coil 120, connecting line 121, adhesive tape 122, magnetic core
130, protrusion 131, separate cavities 132, fixing groove 133, geometrical clamp 140.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is further illustrated.
As shown in Fig. 1~2, side view respectively of the invention and lower view.
A kind of difference common mode inductance 100, including skeleton 110 that two 111 pairings of deck fix to be formed, on the skeleton 110
It is equipped with pin 113 equipped with several winding slots 112 and each 112 side of winding slot, equal winding on each winding slot 112
There is enameled wire to form coil 120, the extension of the coil 120 is weldingly connected equipped with connecting line 121 with pin 113, the skeleton
110 both sides corresponding inserteds have magnetic core 130, are located at 130 top of magnetic core and are equipped with geometrical clamp 140 by 130 fixed clamp of magnetic core.
It is clamped to form a cavity as shown in figure 3, two decks 111 are correspondingly provided with buckle 111a close to pin 113 on one side
111b is connected using buckle 111a clampings, and good connecting effect, clamping is convenient, is convenient for assembly, is set positioned at the both sides cavity 111b
There is slot 111c, further, the magnetic core 130 is correspondingly provided with two, and is equipped with protrusion 131, described two magnetic cores 130
Protrusion 131, which corresponds to be inserted into cavity 111b, reserves a separate cavities 132, and two corresponding magnetic cores 130 are isolated equipped with separate cavities 132
Two magnetic cores 130 can be corresponded to different coils 120 using electromagnetic induction is generated, to realize differential mode inductance and common mode by setting
The integration of inductance；Described raised 131 set there are three, be separately positioned on the center and both sides of magnetic core 130, the center
Protrusion 131 be inserted into cavity 111b, in the insertion slot of protrusion 131 111c of two side position, the protrusion 131 of both sides is inserted
It is that the fixation of magnetic core 130 is fastened in skeleton 110 to enter the effect in slot 111c, will not be fallen off in use, while slot
111c is provided in the hollow position at the center of winding slot 112, can be convenient for that electromagnetism can be generated between magnetic core 130 and coil 120
The integration of common mode or differential mode is realized in induction.
Winding slot 112 corresponds to the positions cavity 111b, and the coil 120 corresponds to the positions cavity 111b and is adhesive with adhesive tape
122, by adhesive tape 122 can by for coil 120 carry out being dielectrically separated from effect, while the protrusion with magnetic core 130 can be prevented
131 positions are directly touched, while can be convenient for that electromagnetic induction can be generated between magnetic core 130 and coil 120, realize common mode or differential mode
Integration.
Winding slot 112 is equipped with two, and two winding slots 112 are separated into four by 112 center of winding slot equipped with a partition board 112a
Winding slot 112, can be by enameled wire around being located on winding slot 112 equipped with four winding slots 112, while being adaptable to high-power make
It is inserted in skeleton 110 close to the side of every winding slot 112 with, the pin 113, the connecting line 121 that can be convenient on coil 120
Welded with pin 113, while in the fabrication process, coiling can be convenient for use, manufacture efficiency can be improved, further, it is described every
Link slot 112b is offered on plate 112a, the coil 120 of winding on two winding slots 112 is connected to by the enameled wire, link slot
112b is opened in 113 one side of corresponding pin, and 113 face of pin is bottom surface, it is ensured that whole beauty, and do not influence to use, lead to
Crossing the link slot 112b that is arranged on partition board 112a can be convenient for during automatic winding, by link slot 112b by a winding slot
The coiling on another winding slot 112 in succession after coiling, need not stop on 112, improve manufacture efficiency.
Magnetic core 130 is Ferrious material alloy soft magnetic powder die cast, can be convenient for forming electromagnetic induction between coil 120；
Further, fixing groove 133 is offered outside the magnetic core 130, the geometrical clamp 140 is held on fixing groove 133 by magnetic core 130
Fixed, fixing groove 133 is opened in the center of magnetic core 130, that is, corresponds to raised 131 positions in center, complete integral installation
After can be convenient for magnetic core 130 is gripped, you can be fixed on skeleton 110, coil 120 surrounded, formed electromagnetic induction.
The outer surface of poor common mode inductance 100 is coated with insulated paint, is played a protective role, is prevented to whole by insulated paint
Interference is generated with other electronic devices in use, protecting effect is good.
If fixing the skeleton 110 to be formed there are two 111 pairing of deck, fixed using pairing mode, improves manufacture efficiency, drop
Low manufacturing cost, the skeleton 110 is equipped with several winding slots 112 and each 112 side of winding slot is equipped with pin
113, coiling can be convenient for manufacture by winding slot 112, be easy to implement Automated winding, improve production efficiency, be further provided with and draw
Foot 113 carries out grafting conduction use, is easily installed use, and enameled wire is arranged on each winding slot 112 and forms coil 120,
Enameled wire is manufactured convenient for coiling around formation coil 120 on winding slot 112 is located at, improves production efficiency, institute by spooling equipment
It states the extension of coil 120 to be weldingly connected with pin 113 equipped with connecting line 121, needs to reserve connecting line 121 and draw in winding process
The welding of foot 113 forms conductive pin 113, improves conductive effect, using being weldingly connected, good connecting effect, and 110 both sides of the skeleton
Corresponding inserted has magnetic core 130, and magnetic core 130 is plugged in the both sides that skeleton 110 is located at coil 120, will form electromagnetic induction,
There is larger application power in actual use, be located at 130 top of magnetic core and be equipped with geometrical clamp 140 by 130 geometrical clamp 140 of magnetic core
It holds, magnetic core 130 is clamped on skeleton 110 by geometrical clamp 140, form the ontology of poor common mode inductance 100.
The present invention manufacturing process be：First, deck 111 is manufactured, pin 113 is inserted on deck 111, in deck 111
On winding slot 112 on winding enameled wire formed coil 120, by coil 120 reserve connecting line 121 welded with pin 113,
The skeleton 110 to form coiling completion is clamped in the product pairing for completing two above-mentioned manufacture, by two magnetic cores after the completion of clamping
In 130 symmetrical insertion skeletons 110, then skeleton 110 is pressed from both sides and grips magnetic core 130, finally coated or impregnate above exhausted in outside
Edge oil, completes manufacture.
In the present invention, on the basis of poor common mode integrated inductor, changes 130 structure of magnetic core, reduce the body of inductor
Product and height, improve the utilization rate of magnetic element, improve the integrated level of power electronic system；Overall structure is simple, is manufactured into
This is low, and is not related to complicated technology, while the change that the original structure for avoiding inductance is big, close in high-power grade high power
Spending application scenario has larger application value.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of difference common mode inductance, it is characterised in that：Including the skeleton that two deck pairings fix to be formed, the skeleton is equipped with
Several winding slots and each winding slot side is equipped with pin, are arranged with enameled wire and form coil on each winding slot,
The coil extension is weldingly connected equipped with connecting line with pin, and skeleton both sides corresponding inserted has magnetic core, is located at magnetic core top
Equipped with geometrical clamp by magnetic core fixed clamp.
2. a kind of poor common mode inductance according to claim 1, it is characterised in that：Described two decks are faced close to pin one
Buckle clamping should be equipped with and form a cavity, be located at cavity both sides and be equipped with slot.
3. a kind of poor common mode inductance according to claim 2, it is characterised in that：The magnetic core is correspondingly provided with two, and
Equipped with protrusion, corresponding be inserted into cavity of the protrusion of described two magnetic cores reserves a separate cavities.
4. a kind of poor common mode inductance according to claim 3, it is characterised in that：The protrusion is respectively set there are three setting
At the center and both sides of magnetic core, the protrusion of the center is inserted into cavity, and the protrusion of two side position is inserted into slot.
5. a kind of poor common mode inductance according to claim 2, it is characterised in that：The winding slot corresponds to cavity both sides,
The coil corresponds to empty cavity position and is adhesive with adhesive tape.
6. a kind of poor common mode inductance according to claim 1, it is characterised in that：The winding slot is equipped with two, winding slot
Center is equipped with a partition board and two winding slots is separated into four winding slots, and the pin is inserted in skeleton close to every winding slot
Side.
7. a kind of poor common mode inductance according to claim 6, it is characterised in that：Link slot, institute are offered on the partition board
Enameled wire is stated to be connected to the coil of winding on two winding slots.
8. a kind of poor common mode inductance according to claim 1, it is characterised in that：The magnetic core is Ferrious material alloy soft magnetic
Powder die cast.
9. a kind of poor common mode inductance according to claim 1, it is characterised in that：Fixing groove is offered outside the magnetic core,
The geometrical clamp is held on fixing groove and fixes magnetic core.
10. a kind of poor common mode inductance according to claim 1, it is characterised in that：The appearance bread of the difference common mode inductance
It is covered with insulated paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161969.5A CN108417362A (en) | 2018-02-27 | 2018-02-27 | A kind of difference common mode inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161969.5A CN108417362A (en) | 2018-02-27 | 2018-02-27 | A kind of difference common mode inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108417362A true CN108417362A (en) | 2018-08-17 |
Family
ID=63129176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810161969.5A Pending CN108417362A (en) | 2018-02-27 | 2018-02-27 | A kind of difference common mode inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108417362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421738A (en) * | 2021-05-27 | 2021-09-21 | 内蒙古鄂尔多斯电子有限责任公司 | Small-size paster common mode inductor |
| CN114823049A (en) * | 2022-05-14 | 2022-07-29 | 天长市富安电子有限公司 | Miniaturized and low-cost common-differential-mode integrated inductor structure and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136284A (en) * | 2007-07-23 | 2008-03-05 | 上海美星电子有限公司 | Lock connect backbone for difference/common mode electromagnetic interference suppresser |
| CN202034159U (en) * | 2011-01-24 | 2011-11-09 | 东莞市铭普实业有限公司 | A common mode and differential mode inductor |
| CN202905385U (en) * | 2011-12-26 | 2013-04-24 | 欧司朗股份有限公司 | Magnetic core assembly and inductor and filter |
| US20130207762A1 (en) * | 2010-09-07 | 2013-08-15 | Gerhard Karl | Current-compensated inductor with increased leakage inductance |
| CN103646764A (en) * | 2013-11-28 | 2014-03-19 | 宝电电子(张家港)有限公司 | Differential-mode and common-mode integrated electronic transformer |
| CN204230013U (en) * | 2014-12-05 | 2015-03-25 | 海宁市欣意电子有限公司 | High pressure resistant common mode filtering inductor |
| CN208014517U (en) * | 2018-02-27 | 2018-10-26 | 东莞市立宇电子有限公司 | A kind of difference common mode inductance |
-
2018
- 2018-02-27 CN CN201810161969.5A patent/CN108417362A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136284A (en) * | 2007-07-23 | 2008-03-05 | 上海美星电子有限公司 | Lock connect backbone for difference/common mode electromagnetic interference suppresser |
| US20130207762A1 (en) * | 2010-09-07 | 2013-08-15 | Gerhard Karl | Current-compensated inductor with increased leakage inductance |
| CN202034159U (en) * | 2011-01-24 | 2011-11-09 | 东莞市铭普实业有限公司 | A common mode and differential mode inductor |
| CN202905385U (en) * | 2011-12-26 | 2013-04-24 | 欧司朗股份有限公司 | Magnetic core assembly and inductor and filter |
| CN103646764A (en) * | 2013-11-28 | 2014-03-19 | 宝电电子(张家港)有限公司 | Differential-mode and common-mode integrated electronic transformer |
| CN204230013U (en) * | 2014-12-05 | 2015-03-25 | 海宁市欣意电子有限公司 | High pressure resistant common mode filtering inductor |
| CN208014517U (en) * | 2018-02-27 | 2018-10-26 | 东莞市立宇电子有限公司 | A kind of difference common mode inductance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421738A (en) * | 2021-05-27 | 2021-09-21 | 内蒙古鄂尔多斯电子有限责任公司 | Small-size paster common mode inductor |
| CN113421738B (en) * | 2021-05-27 | 2024-02-09 | 内蒙古鄂尔多斯电子有限责任公司 | Small-volume patch common-mode inductor |
| CN114823049A (en) * | 2022-05-14 | 2022-07-29 | 天长市富安电子有限公司 | Miniaturized and low-cost common-differential-mode integrated inductor structure and preparation process thereof |
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