CN209571291U - Coil component - Google Patents
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- CN209571291U CN209571291U CN201920139940.7U CN201920139940U CN209571291U CN 209571291 U CN209571291 U CN 209571291U CN 201920139940 U CN201920139940 U CN 201920139940U CN 209571291 U CN209571291 U CN 209571291U
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Abstract
The utility model provides the coil component to fall off that can inhibit metal terminal.Flange part (31) includes protrusion face (32b), opposite with installation base plate side in the tip side to installation base plate side protrusion outstanding (32a)；With interarea (31a), along the direction extension intersected with the protrusion face (32b) and with towards above-mentioned a pair of flanges portion (31) and set direction.Metal terminal (51) includes the mounting portion opposed with protrusion face (32b) (52) and the end face portion opposed with interarea (31a) (53).The range that mounting portion (52) and end face portion (53) angulation θ are 90 degree of 85 degree≤θ <.Mounting portion (52) and end face portion (53) angulation θ are less than protrusion face (32b) and interarea (31a) angulation θ 1.
Description
Technical field
The utility model relates to a kind of coil components.
Background technique
In the past, as coil component, a pair of of wire rod is wound with there is known the core in drum core, and by the terminal of wire rod
The common mode choke being electrically connected respectively with the metal terminal of the flange part setting in drum core (referring for example to patent document 1).Specially
The metal terminal of sharp document 1 is engaged in opposed with installation base plate convex in the installation base plate protrusion outstanding relative to flange part
The end face of portion face (mounting surface in patent document 1) and flange part.
Patent document 1: Japanese Unexamined Patent Publication 2015-35473 bulletin
However, in coil component as described above, due to miniaturization, moreover, because existing due to temperature change
And in the environment of generating expansion and shrinking, the case where use in the environment of high-temperature, so seeking the raising of endurance quality.Especially
It is expected that the exploitation for the coil component for inhibiting metal terminal to fall off from flange part.
Utility model content
The utility model is to complete in order to solve the above problem, and its purpose is to provide can inhibit metal terminal
The coil component to fall off.
The coil component for solving the above subject includes core, is arranged with core and at the both ends of the core
A pair of flanges portion；Metal terminal is respectively arranged at above-mentioned a pair of flanges portion；And wire rod, it is wound in above-mentioned core simultaneously
And end is electrically connected with above-mentioned metal terminal, above-mentioned flange part includes protrusion face, to installation base plate side protrusion outstanding
Tip side is opposite with above-mentioned installation base plate side；And end face, extend along the direction intersected with the protrusion face, and in above-mentioned a pair
Flange part and opposite with above-mentioned core side opposite side on set direction, above-mentioned metal terminal has and above-mentioned flange part
Angle formed by the opposed mounting portion of substrate opposed faces and the end face portion opposed with above-mentioned end face, above-mentioned mounting portion and above-mentioned end face portion
It spends θ and is less than raised part face and above-mentioned end face angulation θ 1.
According to this structure, it is configured to, the mounting portion and end face portion angulation θ of metal terminal are less than the protrusion of flange part
Face and end face angulation θ 1.For example, if the mounting portion of metal terminal is greater than the convex of flange part with end face portion angulation θ
Portion face and end face angulation θ 1 (obtuse angle) then exist because of the end face portion of metal terminal and the end face local detachment of flange part,
And make to be unable to fully the anxiety engaged between the end face portion of metal terminal and the end face face of flange part.Therefore, by being configured to metal end
The mounting portion and end face portion angulation θ of son are less than protrusion face and the end face angulation θ 1 of flange part, to can inhibit
It is unable to fully the case where engaging between the end face portion of metal terminal and the end face face of flange part, and then is able to suppress metal terminal from core
Portion's (flange part) falls off.
In above-mentioned coil component, the case where making raised part face and above-mentioned end face angulation θ 1 becomes 90 degree
Under, above-mentioned mounting portion is the range of 90 degree of 85 degree≤θ < with above-mentioned end face portion angulation θ.
According to this structure, in the case where making protrusion face and above-mentioned end face angulation θ 1 become 90 degree, mounting portion and
End face portion angulation θ becomes the range of 90 degree of 85 degree≤θ <.Such as metal terminal above-mentioned angle, θ be than 90 degree greatly
Obtuse angle in the case where, become than protrusion face and angulation θ 1 in end face big obtuse angle, thus the end face portion of metal terminal with
The end face local detachment of flange part, therefore have and be unable to fully engage it between the end face portion of metal terminal and the end face face of flange part
Anxiety.Therefore, by becoming the range of 90 degree of 85 degree≤θ < as described above, the end face portion and flange part of metal terminal be can inhibit
End face face between be unable to fully engage, be able to suppress metal terminal and fall off from core (flange part).
In above-mentioned coil component, the preferably above-mentioned metal terminal only end joined with above-mentioned flange part.
According to this structure, only with the end joined of flange part, i.e. the protrusion face of flange part is not formed to be passed through metal terminal
The engagement of bonding etc..Herein, if protrusion face and metal terminal engages by bonding etc., for example, it is easy due to temperature change and
The influence for making installation base plate be expanded and be shunk.In this regard, by make as described above metal terminal only with flange part
End joined so as to inhibit the influence for making installation base plate be expanded and be shunk due to temperature change, and then can press down
Metal terminal processed falls off from core.
In above-mentioned coil component, preferably above-mentioned metal terminal is engaged with the end face of above-mentioned flange part and protrusion face both sides,
Bonding area at raised part face is less than the bonding area of above-mentioned endface.
According to this structure, the bonding area at the face of protrusion be less than endface bonding area, therefore installation base plate due to
Temperature change and produce expansion and shrink in the case where, the metal terminal for being also easy to appear protrusion surface side leaves protrusion face, because
This can ensure the engagement state in end surface side.
In above-mentioned coil component, preferably above-mentioned metal terminal is by constituting a sheet metal bending containing copper
, the opposed surface side opposed with installation base plate is covered by the metal film of the metal film of nickel and tin.
According to this structure, the corrosion of metal terminal can be inhibited by the metal film of nickel, and inhibits metal terminal (copper)
Due to tin metal film and spread.Moreover, by the metal film of tin, it can when installing metal terminal and installation base plate welding
Improve the wetability of solder.
In above-mentioned coil component, preferably comprise the plate of above-mentioned metal terminal with a thickness of 50 μm or more and 150 μm with
Under.
According to this structure, become 50 μm or more by making to constitute the thickness of the plate of metal terminal, it can be ensured that intensity is led to
Crossing becomes 150 μm hereinafter, can aid in processability raising.
In above-mentioned coil component, preferably comprise the plate of above-mentioned metal terminal Young's modulus be 100GPa or more and
200GPa or less.
According to this structure, become 100GPa by making to constitute the Young's modulus (vertical coefficient of elasticity) of the plate of metal terminal
More than, it can be ensured that intensity, by becoming 200GPa hereinafter, metal terminal can have appropriate elastic force.
Coil component according to the present utility model can inhibit falling off for metal terminal.
Detailed description of the invention
Fig. 1 is the perspective view of the coil component of an embodiment.
Fig. 2 is the perspective view of the core of the embodiment.
Fig. 3 is the side view of the metal terminal of the embodiment.
Fig. 4 is the perspective view of the coil component of variation.
Description of symbols
10 ... coil components；11 ... drum cores (core)；21 ... cores；31 ... flange parts；31a ... interarea (end face)；
The protrusion 32a ...；The protrusion 32b ... face；41 ... first wire rods (wire rod)；42 ... second wire rods (wire rod)；51 ... metal terminals；52…
Mounting portion；The lower surface 52b ... (opposed faces)；53 ... end face portions；θ, θ 1 ... angle.
Specific embodiment
Hereinafter, being illustrated to an embodiment.In addition, attached drawing shows constituent element amplification sometimes for being readily appreciated that
Out.The dimensional ratios of constituent element are sometimes different from the constituent element in actual conditions or other accompanying drawings.
As shown in Figure 1, coil component 10 is, for example, common mode choke.Coil component 10 includes drum core 11, is wound in drum
The first wire rod 41 and the second wire rod 42 of shape core 11 and the metal terminal 51 for being installed on drum core 11.
As shown in Fig. 2, drum core 11 has the one of the core 21 of rectangular-shape and the both ends for being set to core 21
To flange part 31.Above-mentioned core 21 and a pair of flanges portion 31 are integrally formed.
Herein, in the present specification, as depicted in figs. 1 and 2, the direction (and set direction) a pair of flanges portion 31 arranged is fixed
Justice is " length direction Ld ", and the up and down direction of Fig. 1 and Fig. 2 in the direction orthogonal with " length direction Ld " are defined as " height
Direction (thickness direction) Td ", direction definition that will be orthogonal with " length direction Ld " and " short transverse Td " is " width direction
Wd”。
The drum core 11 of this example is constituted such as the magnetic material by NiCuZn ferrite.It can also be by NiCuZn ferrite
Magnetic material in addition is constituted.
As depicted in figs. 1 and 2, the first wire rod 41 and the second wire rod 42 are wound with around core 21.
The rectangular-shape that core 21 extends for example formed as Ld along its length.The central axis of core 21 is substantially flat
Row extends in length direction Ld.Core 21 is with opposite a pair of of interarea 21a on short transverse Td and in width side
Opposite a pair of of side 21b on Wd.
In addition, in the present specification, " rectangular-shape " is included in cube, the In in corner, ridgeline chamfering (45 ° of chamferings)
Corner, ridgeline suitably become arc surface and the cube being rounded, the cube for making corner, ridgeline recess.In addition, can also
To be partially or completely formed with bumps etc. in interarea and side.
As depicted in figs. 1 and 2, each flange part 31 in a pair is formed as cuboid relatively short on length direction Ld
Shape.Each flange part 31 is formed as, prominent towards short transverse Td and width direction Wd to 21 surrounding of core.Specifically, from
The flat shape of each flange part 31 when length direction Ld is observed is formed as, relative to core 21 in short transverse Td and
It is prominent on width direction Wd.
Each flange part 31 includes a pair of of interarea 31a, 31b opposite on length direction Ld；The phase on width direction Wd
Opposed pairs side 31c, 31d；And opposite a pair of of side 31e, 31f on short transverse Td.Each flange part 31
Interarea 31a is opposite with 21 opposite side of core (outside of drum core 11 on length direction Ld) on length direction Ld.It changes
Sentence is talked about, and the interarea 31a of each flange part is equivalent to the end face of flange part 31 (drum core 11).The interarea 31b of each flange part 31 exists
It is opposite with 21 side of core (inside of drum core 11 on length direction Ld) on length direction Ld.In other words, each flange part 31
Interarea 31b be equivalent to mutually opposed opposed faces each other.
Each flange part 31 is respectively provided in the side side 31f installed to installation base plate (not shown): separate and to
Installation base plate side two protrusion 32a outstanding, by central depression 33 two protrusion 32a divided one from another and with it is upper
State 33 opposite side of central depression outside recessed portion 34a, the 34b adjacent with protrusion 32a.Protrusion 32a is configured in height side
It is more prominent than central depression 33 and outside recessed portion 34a, 34b on Td, in the state of being installed on installation base plate, protrusion 32a
Tip side protrusion face 32b it is opposite with above-mentioned installation base plate side.In addition, in this example, from the protrusion face 32b of protrusion 32a to
This section of distance of interarea 21a of core 21 is set as about 0.1mm~0.5mm.
The length dimension L1 of the alongst Ld of the drum core 11 constituted as described above is set as about 1.2mm~about
The range of 4.5mm.In addition, drum core 11 along short transverse Td height dimension (flange part 31 along short transverse Td
Height dimension) T1 is set as about 0.5mm~about 2.1mm range.The width dimensions along width direction Wd of drum core 11
(width dimensions along width direction Wd of flange part 31) W1 is set as the range of 1.0mm~3.2mm.
First wire rod 41 and the second wire rod 42 are coated electric wires, core 21 is wound in coiling direction same to each other and
Constitute coil-conductor.First wire rod 41 and the second wire rod 42 can use such as about 15 μm~about 80 μm of diameter of range respectively
Wire rod uses the coated electric wire of about 15 μm of diameter respectively.First wire rod 41 and the second wire rod 42 become the number of turns same to each other
And it is wound in core 21.First wire rod 41 and the second wire rod 42 can be used such as CuNi alloy wire containing the wire rod of Cu.
In addition, the first wire rod 41 and the coating of the second wire rod 42 can be using resin materials such as imide-modified polyurethane.In addition, first
Each configuration one respectively near total 4 outsides recessed portion 34a, 34b of the both ends of wire rod 41 and the second wire rod 42, becomes
Interconnecting piece 41a, the 42a being electrically connected with aftermentioned metal terminal 51.Interconnecting piece 41a, 42a are welded by the both ends of wire rod 41,42
It is connected to metal terminal 51 and constitutes soldered ball together with the part of metal terminal 51.In addition, the first wire rod 41 and the second wire rod 42 with
The connection method that metal terminal 51 connects is not limited to weld, and is also possible to the thermo-compression bonding based on heating sheet.
A pair of of metal terminal 51 is respectively arranged in each protrusion 32a of a flange part 31.Moreover, in another flange part
31 each protrusion 32a is similarly respectively arranged with a pair of of metal terminal 51.In other words, drum core 11 is provided with total 4
Metal terminal 51.A pair of of metal terminal 51 is configured to the line relative to the width direction Wd passed through at the center of core 21, phase
Mutually become symmetric shape.The end of First Line material 41 and the second wire rod 42 is electrically connected on each metal terminal 51.
Each metal terminal 51 has the mounting portion 52 and end face portion 53 for respectively becoming plate.Each metal terminal 51 is to pass through benefit
Sheet metal (copper sheet material) cutting and bending of one plate are constituted with punching.Metal terminal 51 and composition metal terminal
The Young's modulus of 51 metal plate is set as the range of 100GPa or more and 200GPa.In addition, metal terminal 51 and composition metal
The thickness of the metal plate of terminal 51 is preferably 50 μm or more and 150 μm or less.
The mounting portion 52 of each metal terminal 51 is set as, upper surface 52a it is opposed with the protrusion face 32b of flange part 31 and with
The part of protrusion face 32b abuts.As shown in figure 3, the lower surface 52b of the mounting portion 52 of metal terminal 51 and installation base (not shown)
Plate connection.Alternatively, it is also possible to implement for example to plate Ni (nickel) and plating Sn (tin) in lower surface 52b.Ni layers can reduce metal terminal
It is dissolved out relative to solder when being installed in installation base plate.Sn layers can be improved solder wettability, and improve wire rod 41,42 to
The connectivity that metal terminal 51 connects.Mounting portion 52 is abutted with protrusion face 32b, but is not the engagement using formation such as adhesives.
It in other words, is not centainly to need to maintain the connection status between mounting portion 52 and protrusion face 32b.
In addition, end face portion 53 is continuous from the end of mounting portion 52 and is integrally provided.More specifically, be configured to, from
In the case that width direction Wd observes metal terminal 51, become generally L-shaped.End face portion 53 by adhesive be bonded to it is convex
The interarea 31a as end face of edge 31 opposed opposed faces 53a (referring to Fig. 3)." engagement " used in this example, which is used as, to be passed through
The other components such as adhesive use to keep the state of the connection status of two components.It is excellent for example as adhesive in this example
Choosing has viscosity and thixotropy (チ Network ソ).Adhesive be can inhibit as a result, to flows outside.Herein, such as end face portion 53
Opposed faces 53a is not implemented in Ni as the lower surface 52b of mounting portion 52 layers, Si layers of covering.Therefore, flange part 31 can be made
Interarea 31a and metal terminal 51 end face portion 53 (opposed faces 53a) between the engagement formed by adhesive it is better.
As shown in figure 3, it is 85 degree or more and not that metal terminal 51, which is set as mounting portion 52 and 53 angulation θ of end face portion,
90 degree of foot.In other words, compared to the interarea 31a of flange part 31 and protrusion face 32b angulation θ 1 (=substantially 90 degree), installation
Portion 52 becomes smaller with range of the 53 angulation θ of end face portion within 5 degree.This is because metal terminal 51 angle, θ due to
Manufacture deviation etc. and it is different in the case where, can also make the end face portion 53 of metal terminal 51 and the face interarea 31a of flange part 31
Between be sufficiently engaged with, thus improve and flange part 31 between the zygosity formed by adhesive.
Herein, calculate as described below makes the metal terminal 51 of coil component 10 from 11 (flange of drum core due to impact
Portion 31) expulsion rate that falls off.Installation coil component 10 is welded to installation base plate, and is fixed on the cabinet that entire surface is covered by plate
In, the face for carrying out making to be equipped with coil component 10 becomes lower section and installation base plate is made to fall examination from what the substantially height of 2m was fallen
It tests.In addition, using metal terminal 51 angle, θ be 95 degree, 93 degree, 90 degree, 87 degree, 85 degree, 83 degree, 80 degree of this 7 seed types,
Expulsion rate when measurement falls 10 times in all types of (each angles).
Table 1
| Angle, θ | Expulsion rate |
| 95 degree | 70% |
| 93 degree | 30% |
| 90 degree | 0% |
| 87 degree | 0% |
| 85 degree | 0% |
| 83 degree | 20% |
| 80 degree | 50% |
As shown in table 1, for 90 degree, 87 degree, 85 degree, expulsion rate 0%, for 95 degree, 93 degree, 83 degree, 80 degree
For, it is 20% or more expulsion rate.
It is fallen off according to this experimental example it is found that being able to suppress if being 90 degree~85 degree of range if the angle, θ of metal terminal 51
Rate.In addition, metal terminal 51 also minimizes naturally, in foregoing manufacture along with the miniaturization of coil component 10
Deviation it is small in the case where bonding part be also easy to produce problem.It is therefore preferable that becoming 87 degree in the angle, θ for making metal terminal 51
Manufacture nearby.
Next, being illustrated to the effect of above-mentioned coil component 10.
For the coil component 10 of present embodiment, if having differential mode in the first wire rod 41 and the input of the second wire rod 42
The signal of the reverse phases such as signal is then offset by the magnetic flux that the first wire rod 41 and the second wire rod 42 generate, does not generate impedance, differential letter
Number it can pass through.On the other hand, if inputting the signal for thering is common-mode signal to be equal to phase in the first wire rod 41 and the second wire rod 42, by
The magnetic flux quantitative change that first wire rod 41 and the second wire rod 42 generate is strong and generates high impedance, interferes passing through for common-mode signal.
As described above, according to the present embodiment, effect below is played.
(1) it is configured to, the mounting portion 52 and 53 angulation θ of end face portion of metal terminal 51 are less than the protrusion of flange part 31
Face 32b and interarea 31a angulation θ 1.For example, in the mounting portion 52 and 53 angulation θ of end face portion of metal terminal 51
In the case where protrusion face 32b and interarea 31a angulation θ 1 (for obtuse angle) greater than flange part 31, exist because of metal terminal 51
End face portion 53 and flange part 31 interarea 31a local detachment, and the interarea of the end face portion 53 of metal terminal 51 and flange part 31
The anxiety of engagement is unable to fully between the face 31a.Therefore, by being configured to formed by mounting portion 52 and the end face portion 53 of metal terminal 51
Angle, θ is less than the protrusion face 32b and interarea 31a angulation θ 1 of flange part 31, to can inhibit the end face of metal terminal 51
It is unable to fully engage between portion 53 and the face interarea 31a of flange part 31, is able to suppress metal terminal 51 from core 11 (flange part 31)
It falls off.
(2) in the case where making protrusion face 32b and interarea 31a angulation θ 1 become 90 degree, make mounting portion 52 and end
53 angulation θ of face are the range of 90 degree of 85 degree≤θ <, to can inhibit the end face portion 53 and flange part of metal terminal 51
It is unable to fully engage between 31 face interarea 31a, is able to suppress metal terminal 51 and falls off from core 11 (flange part 31).
(3) metal terminal 51 flange part 31 interarea 31a (end face) engagement i.e. flange part 31 protrusion face 32b not
Bonding etc..Herein, in the environment to assign vibration to coil component 10, above-mentioned vibration is transmitted from installation base plate.In other words,
Due to flange part 31 protrusion face 32b not with metal terminal 51 bonding etc., directly transmit vibration so can inhibit from protrusion face 32b
It is dynamic.Since metal terminal 51 and flange part 31 being engaged in the interarea 31a separated with protrusion face 32b, vibration decaying, thus
Metal terminal 51 is able to suppress to fall off from drum core 11.
(4) corrosion of metal terminal 51 can be inhibited by nickel plating, and is able to suppress metal terminal 51 (copper) due to tin
And spread such case.Moreover, by tin plating solder can be improved when installing metal terminal 51 and installation base plate welding
Wetability.
(5) become 50 μm or more by making to constitute the thickness of the plate of metal terminal 51, it can be ensured that intensity, by becoming
150 μm hereinafter, can aid in processability raising.
(6) become 100GPa or more by making to constitute the Young's modulus of the plate of metal terminal 51, it can be ensured that intensity is led to
It crosses as 200GPa hereinafter, metal terminal 51 can have appropriate elastic force.
In addition, above embodiment can also be implemented by mode below.
In the above-described embodiment, it is configured to, will be connect as the interarea 31a of end face with end face portion 53 by adhesive
It closes, is not engaged protrusion face 32b with mounting portion 52 by bonding etc., but not limited to this, can also use will by bonding etc.
The structure that protrusion face 32b is engaged with mounting portion 52.In such a situation it is preferred to which the bonding area at the 32b of protrusion face is made to be less than master
Bonding area at face 31a (end face).By becoming such structure, expansion is produced because of temperature change in installation base plate
In the case where contraction, the metal terminal 51 (upper surface 52a) of the protrusion face side 32b is easy to separate from protrusion face 32b, therefore can
Ensure the engagement state in the side interarea 31a.In addition, as illustrated by above embodiment, the side interarea 31a and protrusion face
32b separation can press down so as to expect to inhibit installation base plate by the expansion generated by temperature change and the influence of contraction
Metal terminal 51 processed falls off from drum core 11.
As shown in figure 4, can also use with flowering structure, i.e., with the side 31e of protrusion face 32b opposite side across a pair
Flange part 31 and plate core 61 is set.In this case, the thickness of plate core 61 is preferably 0.15mm~0.6mm's
Range.By becoming 0.15mm or more, it can be ensured that inductance value, by becoming 0.6mm hereinafter, can be realized shortization.Pass through
Plate core 61 is constituted by such as magnetic material, can be improved magnetic density.
In the respective embodiments described above, common mode choke is used as coil component 10, but can also be for example
Above-mentioned each structure is applied in other coils of winding type.
Above embodiment and each variation can also be appropriately combined.
Claims (7)
1. a kind of coil component comprising:
Core, with core and a pair of flanges portion being arranged at the both ends of the core；Metal terminal is respectively arranged at
The pair of flange part；And wire rod, it is wound in the core and end is electrically connected with the metal terminal,
The flange part includes protrusion face, to installation base plate side protrusion outstanding tip side and the installation base plate side
Relatively；And end face, extend along the direction intersected with the protrusion face, and the pair of flange part and on set direction and same
Core side opposite side is opposite,
The metal terminal has and the opposed mounting portion in protrusion face and the end face portion opposed with the end face, the installation
Portion and the end face portion angulation θ are less than the protrusion face and the end face angulation θ 1.
2. coil component according to claim 1, which is characterized in that
In the case where making the protrusion face and the end face angulation θ 1 becomes 90 degree, the mounting portion and the end face
Portion angulation θ is the range of 90 degree of 85 degree≤θ <.
3. coil component according to claim 1 or 2, which is characterized in that
The metal terminal only end joined with the flange part.
4. coil component according to claim 1 or 2, which is characterized in that
The metal terminal is engaged with the end face of the flange part and protrusion face both sides,
Bonding area at the protrusion face is less than the bonding area of the endface.
5. coil component according to claim 1 or 2, which is characterized in that
The metal terminal is the opposed surface side opposed with installation base plate by constituting a sheet metal bending containing copper
It is covered by the metal film of the metal film of nickel and tin.
6. coil component according to claim 1 or 2, which is characterized in that
Constitute the plate of the metal terminal with a thickness of 50 μm or more and 150 μm or less.
7. coil component according to claim 1 or 2, which is characterized in that
The Young's modulus for constituting the plate of the metal terminal is 100GPa or more and 200GPa or less.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018018569 | 2018-02-05 | ||
| JP2018-018569 | 2018-02-05 | ||
| JP2018-197276 | 2018-10-19 | ||
| JP2018197276A JP6863357B2 (en) | 2018-02-05 | 2018-10-19 | Coil parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571291U true CN209571291U (en) | 2019-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920139940.7U Active CN209571291U (en) | 2018-02-05 | 2019-01-25 | Coil component |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6863357B2 (en) |
| CN (1) | CN209571291U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7381257B2 (en) * | 2019-08-30 | 2023-11-15 | 太陽誘電株式会社 | Coil parts, electronic equipment, and manufacturing method of coil parts |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213226A (en) * | 1986-03-14 | 1987-09-19 | 松下電器産業株式会社 | Chip electronic parts |
| JPS6376317A (en) * | 1986-09-17 | 1988-04-06 | 松下電器産業株式会社 | Manufacture of chip-type electronic component |
| JPH0210815A (en) * | 1988-06-29 | 1990-01-16 | Matsushita Electric Ind Co Ltd | Chip type electronic part |
| JPH07201580A (en) * | 1993-12-28 | 1995-08-04 | Matsushita Electric Ind Co Ltd | Chip type inductor array |
| JP2005093564A (en) * | 2003-09-12 | 2005-04-07 | Fdk Corp | Chip coil |
| JP2009076610A (en) * | 2007-09-20 | 2009-04-09 | Sumida Corporation | Magnetic component |
| JP5084459B2 (en) * | 2007-11-15 | 2012-11-28 | 太陽誘電株式会社 | Inductor and manufacturing method thereof |
| JP5099430B2 (en) * | 2007-12-27 | 2012-12-19 | Ｔｄｋ株式会社 | Coil parts |
| JP5156076B2 (en) * | 2010-10-22 | 2013-03-06 | Ｔｄｋ株式会社 | Coil parts |
| JP2012174815A (en) * | 2011-02-21 | 2012-09-10 | Nec Tokin Corp | Coil component |
| JP6259222B2 (en) * | 2013-08-08 | 2018-01-10 | Tdk株式会社 | Coil parts |
| JP2016225380A (en) * | 2015-05-28 | 2016-12-28 | 株式会社村田製作所 | Ceramic electronic component |
| JP6680037B2 (en) * | 2016-03-30 | 2020-04-15 | Tdk株式会社 | Common mode filter |
| JP6465068B2 (en) * | 2016-04-28 | 2019-02-06 | 株式会社村田製作所 | Coil parts |
-
2018
- 2018-10-19 JP JP2018197276A patent/JP6863357B2/en active Active
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- 2019-01-25 CN CN201920139940.7U patent/CN209571291U/en active Active
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| Publication number | Publication date |
|---|---|
| JP6863357B2 (en) | 2021-04-21 |
| JP2019135764A (en) | 2019-08-15 |
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