CN209029369U - A kind of novel SOT23-5L lead frame structure - Google Patents
A kind of novel SOT23-5L lead frame structure Download PDFInfo
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- CN209029369U CN209029369U CN201822114318.9U CN201822114318U CN209029369U CN 209029369 U CN209029369 U CN 209029369U CN 201822114318 U CN201822114318 U CN 201822114318U CN 209029369 U CN209029369 U CN 209029369U
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Abstract
The utility model relates to transistor encapsulation technology fields, in particular to a kind of novel SOT23-5L lead frame structure, including substrate and novel SOT23-5L lead frame unit, novel SOT23-5L lead frame unit has 672,672 novel SOT23-5L lead frame units are distributed on substrate in matrix form, and novel SOT23-5L lead frame unit includes the first pin, second pin, third pin, the 4th pin, the 5th pin and Ji Dao.Compared with prior art, a kind of novel SOT23-5L lead frame structure of the utility model, it is designed in such a way that width arranges big matrix, cell density greatly improves, it is obvious to the improving productivity of the processes such as injection molding, rib cutting, heat dissipation region area is increased, heat dissipation effect is more preferable, and reliability is higher.
Description
[technical field]
The utility model relates to transistor encapsulation technology field, in particular to a kind of novel SOT23-5L lead frame knot
Structure.
[background technique]
Chip package is a kind of technology for being packaged the plastics of integrated circuit insulation or ceramic material, not only acts as peace
It puts, fix, sealing, protecting the effect of chip and increased thermal conductivity energy, but also being to link up the chip interior world and external circuit
Bridge.It is a kind of currently used minitype paster that small outline transistor, which encapsulates (SOT, Small Outline Transistor),
Formula encapsulation.Metal-oxide-semiconductor is a kind of discrete device very common at present, for opposite IC, since its unique switching characteristic has
Irreplaceable advantage is widely used in consumer, portable electronic product.For now, the application of single tube MOS chip
Range is wider more more flexible than Multi-core.Single die MOSFET has tri- electrodes of Gate, Source, Drain, and encapsulation is extremely
Three terminals are needed less, and common packing forms have SOT-23, SOT23-6, SOP8 etc..SOT-23 encapsulation volume is small, internal resistance
Also small, but thermal diffusivity is relatively weaker；SOP8 package cooling is more preferable, but encapsulation volume is big, and internal resistance is larger, for encapsulating single tube
MOS then has 5 terminals to slattern；SOT23-6 thermal diffusivity, internal resistance and volume are all more moderate, but are used to encapsulate single tube MOS core
Piece then has 3 terminals to be wasted, and is more suitable for encapsulating two-tube MOS chip.It is identical therefore, it is necessary to select to have with SOT23-6
The SOT23-5L encapsulation of encapsulation volume is redesigned, to meet the package requirements of single-chip metal-oxide-semiconductor.
Referring to Fig. 1, routine SOT23-5L lead frame unit includes the first pin of conventional SOT23-5L lead frame unit
1, the second pin 2 of routine SOT23-5L lead frame unit, the third pin 3 of routine SOT23-5L lead frame unit, routine
The 5th pin 5 and routine SOT23-5L of 4th pin 4 of SOT23-5L lead frame unit, routine SOT23-5L lead frame unit
First pin 1 on the base island 6 of lead frame unit, the routine SOT23-5L lead frame unit is arranged in conventional SOT23-5L lead
The second pin 2 on the upper left side on the base island 6 of frame unit, the routine SOT23-5L lead frame unit is arranged in conventional SOT23-5L
The third pin 3 of the middle top on the base island 6 of lead frame unit, the routine SOT23-5L lead frame unit is arranged in routine
4th pin 4 setting in the upper right side on the base island 6 of SOT23-5L lead frame unit, the routine SOT23-5L lead frame unit exists
5th pin 5 of the lower right on the base island 6 of conventional SOT23-5L lead frame unit, the routine SOT23-5L lead frame unit is set
The lower left on the base island 6 of conventional SOT23-5L lead frame unit is set, the second of the routine SOT23-5L lead frame unit is drawn
Foot 2 is connected with the base island 6 of routine SOT23-5L lead frame unit, the first pin 1 of the routine SOT23-5L lead frame unit,
The second pin 2 of conventional SOT23-5L lead frame unit, the third pin 3 of routine SOT23-5L lead frame unit, routine
The 4th pin 4, the width of the 5th pin 5 of routine SOT23-5L lead frame unit of SOT23-5L lead frame unit are all equal,
Between first pin 1 of the routine SOT23-5L lead frame unit and the second pin 2 of routine SOT23-5L lead frame unit
Distance be equal to routine SOT23-5L lead frame unit second pin 2 and routine SOT23-5L lead frame unit third pin
The distance between 3, the of the first pin 1 of the routine SOT23-5L lead frame unit and routine SOT23-5L lead frame unit
The distance between three pins 3 are equal to the 4th pin 4 and routine SOT23-5L lead frame list of routine SOT23-5L lead frame unit
The distance between the 5th pin 5 of member, the first pin 1 and routine SOT23-5L of the routine SOT23-5L lead frame unit draw
The distance between the 4th pin 4 of wire frame unit is equal to the third pin 3 and routine of routine SOT23-5L lead frame unit
The distance between the 5th pin 5 of SOT23-5L lead frame unit, the first pin 1 of the routine SOT23-5L lead frame unit
The distance between the 5th pin 5 of conventional SOT23-5L lead frame unit is equal to the third of routine SOT23-5L lead frame unit
The distance between the 4th pin 4 of pin 3 and routine SOT23-5L lead frame unit, the routine SOT23-5L lead frame unit
Second pin 2 and routine SOT23-5L lead frame unit the distance between the 4th pin 4 equal to routine SOT23-5L lead
The second pin 2 of frame unit and the distance between the 5th pin 5 of routine SOT23-5L lead frame unit.
This routine SOT23-5L lead frame unit, the first pin 1 of conventional SOT23-5L lead frame unit, routine
The third pin 3 of SOT23-5L lead frame unit, the 4th pin 4 of routine SOT23-5L lead frame unit, routine SOT23-5L
5th pin 5 of lead frame unit is all independent, the only second pin 2 of routine SOT23-5L lead frame unit and conventional
The base island 6 of SOT23-5L lead frame unit is connected, therefore there are five effectively draw this routine SOT23-5L lead frame unit tool
Foot can slattern two pins when encapsulating single-chip metal-oxide-semiconductor.
[utility model content]
In order to overcome the above problem, the utility model proposes a kind of novel SOT23-5L lead frame structure.
The utility model solves a kind of technical solution that above-mentioned technical problem uses: providing a kind of novel SOT23-5L and draws
Wire frame structure, including substrate and novel SOT23-5L lead frame unit, the novel SOT23-5L lead frame unit have 600
72,672 novel SOT23-5L lead frame units are disposed on the substrate in matrix form distribution；
The novel SOT23-5L lead frame unit includes the first pin, novel of novel SOT23-5L lead frame unit
The second pin of SOT23-5L lead frame unit, the third pin of novel SOT23-5L lead frame unit, novel SOT23-5L draw
4th pin of wire frame unit, the 5th pin of novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
Ji Dao, the first pin of the novel SOT23-5L lead frame unit are arranged in the Ji Dao's of novel SOT23-5L lead frame unit
The Ji Dao of novel SOT23-5L lead frame unit is arranged in the second pin on upper left side, the novel SOT23-5L lead frame unit
Middle top, the base of novel SOT23-5L lead frame unit is arranged in the third pin of the novel SOT23-5L lead frame unit
The base of type SOT23-5L lead frame unit is arranged in 4th pin in the upper right side on island, the novel SOT23-5L lead frame unit
Novel SOT23-5L lead frame unit is arranged in 5th pin of the lower right on island, the novel SOT23-5L lead frame unit
The lower left of Ji Dao, the of the first pin of the novel SOT23-5L lead frame unit, novel SOT23-5L lead frame unit
Two pins, novel SOT23-5L lead frame unit third pin be connected with the Ji Dao of novel SOT23-5L lead frame unit, institute
State the first pin of the novel SOT23-5L lead frame unit, second pin of novel SOT23-5L lead frame unit, novel
The third pin of SOT23-5L lead frame unit, novel SOT23-5L lead frame unit the 4th pin, novel SOT23-5L draw
The width of 5th pin of wire frame unit is all equal, and width is equal to the width of any pin of routine SOT23-5L lead frame unit
Degree.
Preferably, the length of the substrate is 240mm, width 70mm.
Preferably, the upper left quarter of the Ji Dao of the novel SOT23-5L lead frame unit is close to novel SOT23-5L lead frame
The place of first pin of unit is equipped with left coined area, and the left side of the left coined area is equipped with left mode locking slot, described novel
The upper right quarter of the Ji Dao of SOT23-5L lead frame unit is set by the place of the third pin of novel SOT23-5L lead frame unit
There is right coined area, the right of the right coined area is equipped with right mode locking slot.
Preferably, the left mode locking slot is tooth-like recesses shape, and the right mode locking slot is tooth-like recesses shape, the left essence
Intermediate pressure section and the shape size of right coined area are just as the left mode locking slot is identical with the shape size of right mode locking slot.
Preferably, the first pin of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
Second pin of the distance between the second pin equal to novel SOT23-5L lead frame unit and novel SOT23-5L lead frame list
The distance between the third pin of member.
Preferably, the first pin of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
The distance between third pin is equal to the 4th pin and novel SOT23-5L lead frame list of novel SOT23-5L lead frame unit
The distance between the 5th pin of member.
Preferably, the first pin of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
The distance between 4th pin is equal to the third pin and novel SOT23-5L lead frame list of novel SOT23-5L lead frame unit
The distance between the 5th pin of member.
Preferably, the first pin of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
The distance between 5th pin is equal to the third pin and novel SOT23-5L lead frame list of novel SOT23-5L lead frame unit
The distance between the 4th pin of member.
Preferably, the second pin of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
Second pin of the distance between 4th pin equal to novel SOT23-5L lead frame unit and novel SOT23-5L lead frame list
The distance between the 5th pin of member.
Compared with prior art, a kind of novel SOT23-5L lead frame structure of the utility model, it is more in order to arrange
Novel SOT23-5L lead frame unit, be designed in such a way that width arranges big matrix, in the substrate of one piece of 240mm × 70mm
On, the quantity of novel SOT23-5L lead frame unit reaches 672, and cell density is 0.04/mm2, with common 8 row, 12 rows
Design compare, cell density greatly improves, fairly obvious to the improving productivity effect of the processes such as injection molding, rib cutting.And
The second pin, novel of first pin of this novel SOT23-5L lead frame unit, novel SOT23-5L lead frame unit
The third pin of SOT23-5L lead frame unit is connected with the Ji Dao of novel SOT23-5L lead frame unit, increases heat dissipation region
Area, heat dissipation effect is more preferable, and novel SOT23-5L lead frame unit, which is equivalent to, to be gathered around there are three effective pin, can be used to encapsulate list
Chip metal-oxide-semiconductor, while novel SOT23-5L lead frame unit increases left mode locking slot and right mode locking slot, Zuo Suomo slot and right mode locking
Slot can enhance the binding force of lead frame and plastic packaging material, and reliability is higher, and novel SOT23-5L lead frame unit also adds a left side
Coined area and right coined area, if being grounded, ground wire can directly be beaten in left coined area or right pressure-sizing
On region, the length of ground wire is shortened, reduces routing difficulty, also more safe and reliable, novel SOT23-5L lead frame unit
Each pin width and spacing and routine SOT23-5L lead frame unit each pin width and spacing be consistent,
A full set of production equipment can be shared, without increasing other investments.So a kind of novel SOT23-5L of the utility model draws
Wire frame novel in structural design uniqueness, advantages of simple, under the premise of not increasing excessive internal resistance, product thermal diffusivity and reliability are big
Big to improve, production efficiency also greatly improves, and for reducing the packaging cost of product, the competitiveness for promoting product has obviously
Effect.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of internal structure of routine SOT23-5L lead frame unit；
Fig. 2 is a kind of novel SOT23-5L lead frame unit of novel SOT23-5L lead frame structure of the utility model
Schematic diagram of internal structure；
Fig. 3 is a kind of overall structure diagram of novel SOT23-5L lead frame structure of the utility model；
Diagram: the of the first pin of 1- routine SOT23-5L lead frame unit, 2- routine SOT23-5L lead frame unit
Two pins, the third pin of 3- routine SOT23-5L lead frame unit, 4- routine SOT23-5L lead frame unit the 4th pin,
Ji Dao, 10- substrate, the 20- of 5th pin of 5- routine SOT23-5L lead frame unit, 6- routine SOT23-5L lead frame unit
Novel SOT23-5L lead frame unit, the novel SOT23-5L lead frame unit of 21- the novel SOT23-5L of the first pin, 22- draw
The novel SOT23-5L lead frame of third pin, 24- of the novel SOT23-5L lead frame unit of the second pin of wire frame unit, 23-
The novel SOT23-5L lead frame unit of the 5th pin, 26- of the novel SOT23-5L lead frame unit of the 4th pin, 25- of unit
The left coined area of Ji Dao, 261-, the right coined area of 262-, the left mode locking slot of 263-, the right mode locking slot of 264-.
[specific embodiment]
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used for explaining
The utility model is not used to limit the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only limitted to the relative position in given view, rather than absolute position.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Please refer to Fig. 2 and Fig. 3, a kind of novel SOT23-5L lead frame structure of the utility model, including 10 He of substrate
Novel SOT23-5L lead frame unit 20, the length of the substrate 10 are 240mm, width 70mm, the novel SOT23-5L
Lead frame unit 20 has 672, and 672 novel SOT23-5L lead frame units 20 are set in matrix form distribution
It sets on the substrate 10.
It is first pin 21 of the novel SOT23-5L lead frame unit 20 including novel SOT23-5L lead frame unit, new
The third pin 23, novel of the second pin 22 of type SOT23-5L lead frame unit, novel SOT23-5L lead frame unit
The 5th pin 25 and novel SOT23- of 4th pin 24 of SOT23-5L lead frame unit, novel SOT23-5L lead frame unit
First pin 21 on the base island 26 of 5L lead frame unit, the novel SOT23-5L lead frame unit is arranged in novel SOT23-5L
The second pin 22 on the upper left side on the base island 26 of lead frame unit, the novel SOT23-5L lead frame unit is arranged novel
The third pin 23 of the middle top on the base island 26 of SOT23-5L lead frame unit, the novel SOT23-5L lead frame unit is arranged
In the upper right side on the base island 26 of novel SOT23-5L lead frame unit, the 4th pin of the novel SOT23-5L lead frame unit
24 are arranged in the lower right on the base island 26 of type SOT23-5L lead frame unit, and the 5th of the novel SOT23-5L lead frame unit the
The lower left on the base island 26 of novel SOT23-5L lead frame unit, the novel SOT23-5L lead frame unit is arranged in pin 25
The first pin 21, novel SOT23-5L lead frame unit second pin 22, the third of novel SOT23-5L lead frame unit
Pin 23 is connected with the base island 26 of novel SOT23-5L lead frame unit, and the first of the novel SOT23-5L lead frame unit is drawn
Foot 21, the second pin 22 of novel SOT23-5L lead frame unit, novel SOT23-5L lead frame unit third pin 23, new
Width all phases of 4th pin 24 of type SOT23-5L lead frame unit, the 5th pin 25 of novel SOT23-5L lead frame unit
Deng, and width is equal to the width of any pin of routine SOT23-5L lead frame unit.
The second of first pin 21 of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit
Second pin 22 of the distance between the pin 22 equal to novel SOT23-5L lead frame unit and novel SOT23-5L lead frame list
The distance between the third pin 23 of member, the first pin 21 and novel SOT23-5L of the novel SOT23-5L lead frame unit
The distance between third pin 23 of lead frame unit is equal to the 4th pin 24 of novel SOT23-5L lead frame unit and novel
The distance between the 5th pin 25 of SOT23-5L lead frame unit, the first pin of the novel SOT23-5L lead frame unit
The distance between 21 and the 4th pin 24 of novel SOT23-5L lead frame unit are equal to novel SOT23-5L lead frame unit
The distance between third pin 23 and the 5th pin 25 of novel SOT23-5L lead frame unit, the novel SOT23-5L lead
The distance between first pin 21 and the 5th pin 25 of novel SOT23-5L lead frame unit of frame unit are equal to novel
The distance between the third pin 23 of SOT23-5L lead frame unit and the 4th pin 24 of novel SOT23-5L lead frame unit,
4th pin 24 of the second pin 22 of the novel SOT23-5L lead frame unit and novel SOT23-5L lead frame unit it
Between distance be equal to novel SOT23-5L lead frame unit second pin 22 and novel SOT23-5L lead frame unit the 5th
The distance between pin 25.
The upper left quarter on the base island 26 of the novel SOT23-5L lead frame unit is close to novel SOT23-5L lead frame unit
The place of the first pin 21 be equipped with left coined area 261, the left side of the left coined area 261 is equipped with left mode locking slot 263, institute
Stating left mode locking slot 263 is tooth-like recesses shape, and the upper right quarter on the base island 26 of the novel SOT23-5L lead frame unit is by new
The place of the third pin 23 of type SOT23-5L lead frame unit is equipped with right coined area 262, the right side of the right coined area 262
Side is equipped with right mode locking slot 264, and the right mode locking slot 264 is tooth-like recesses shape, the left coined area 261 and right coined area
262 shape size is just as the left mode locking slot 263 is identical with the shape size of right mode locking slot 264.
Compared with prior art, a kind of novel SOT23-5L lead frame structure of the utility model, it is more in order to arrange
Novel SOT23-5L lead frame unit 20, be designed in such a way that width arranges big matrix, in the base of one piece of 240mm × 70mm
On plate 10, the quantity of novel SOT23-5L lead frame unit 20 reaches 672, and cell density is 0.04/mm2, with common 8
The design of row, 12 rows are compared, and cell density greatly improves, clearly demarcated to the improving productivity effect ten of the processes such as injection molding, rib cutting
It is aobvious.And the first pin 21 of this novel SOT23-5L lead frame unit, the second of novel SOT23-5L lead frame unit are drawn
Foot 22, novel SOT23-5L lead frame unit third pin 23 be connected with the base island 26 of novel SOT23-5L lead frame unit,
Heat dissipation region area is increased, heat dissipation effect is more preferable, and novel SOT23-5L lead frame unit, which is equivalent to, to be gathered around there are three effective pin,
It can be used to encapsulate single-chip metal-oxide-semiconductor, while novel SOT23-5L lead frame unit increases left mode locking slot 263 and right mode locking slot
264, Zuo Suomo slots 263 and right mode locking slot 264 can enhance the binding force of lead frame and plastic packaging material, and reliability is higher, novel
SOT23-5L lead frame unit also adds left coined area 261 and right coined area 262, if being grounded, ground
Line can directly be beaten in left coined area 261 or right coined area 262, and the length of ground wire is shortened, and reduce routing hardly possible
Degree, also more safe and reliable, the width and spacing and routine SOT23-5L of each pin of novel SOT23-5L lead frame unit
The width and spacing of each pin of lead frame unit are consistent, and a full set of production equipment can be shared, without increasing it
It puts into.So a kind of novel SOT23-5L lead frame structure unique, advantages of simple novel in design of the utility model, not
Under the premise of increasing excessive internal resistance, product thermal diffusivity and reliability are greatly improved, and production efficiency also greatly improves, and are produced for reducing
The packaging cost of product, the competitiveness for promoting product have obviously effect.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
All any modifications made within the design of the utility model, equivalent replacement and improvement etc. should be included in the utility model
Scope of patent protection in.
Claims (9)
1. a kind of novel SOT23-5L lead frame structure, which is characterized in that including substrate and novel SOT23-5L lead frame list
Member, the novel SOT23-5L lead frame unit have 672,672 novel SOT23-5L lead frame lists
Member is disposed on the substrate in matrix form distribution；
The novel SOT23-5L lead frame unit includes the first pin of novel SOT23-5L lead frame unit, novel SOT23-
The second pin of 5L lead frame unit, the third pin of novel SOT23-5L lead frame unit, novel SOT23-5L lead frame list
The 4th pin, the 5th pin of novel SOT23-5L lead frame unit and the Ji Dao of novel SOT23-5L lead frame unit of member,
The upper left of the Ji Dao of novel SOT23-5L lead frame unit is arranged in first pin of the novel SOT23-5L lead frame unit
Side, the second pin of the novel SOT23-5L lead frame unit are arranged in the Ji Dao of novel SOT23-5L lead frame unit
Top, the third pin of the novel SOT23-5L lead frame unit are arranged in the Ji Dao's of novel SOT23-5L lead frame unit
Upper right side, the 4th pin of the novel SOT23-5L lead frame unit are arranged in the Ji Dao's of type SOT23-5L lead frame unit
The Ji Dao of novel SOT23-5L lead frame unit is arranged in 5th pin of lower right, the novel SOT23-5L lead frame unit
Lower left, the first pin of the novel SOT23-5L lead frame unit, the second of novel SOT23-5L lead frame unit are drawn
Foot, novel SOT23-5L lead frame unit third pin be connected with the Ji Dao of novel SOT23-5L lead frame unit, it is described new
First pin of type SOT23-5L lead frame unit, the second pin of novel SOT23-5L lead frame unit, novel SOT23-5L
The third pin of lead frame unit, the 4th pin of novel SOT23-5L lead frame unit, novel SOT23-5L lead frame unit
The 5th pin width it is all equal, and width be equal to routine SOT23-5L lead frame unit any pin width.
2. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the length of the substrate
For 240mm, width 70mm.
3. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The upper left quarter of the Ji Dao of 5L lead frame unit is equipped with left essence by the place of the first pin of novel SOT23-5L lead frame unit
The left side of intermediate pressure section, the left coined area is equipped with left mode locking slot, the right side of the Ji Dao of the novel SOT23-5L lead frame unit
Top is equipped with right coined area by the place of the third pin of novel SOT23-5L lead frame unit, the right coined area
The right is equipped with right mode locking slot.
4. a kind of novel SOT23-5L lead frame structure as claimed in claim 3, which is characterized in that the left mode locking slot is
Tooth-like recesses shape, the right mode locking slot are tooth-like recesses shape, the shape size of the left coined area and right coined area
Just as the left mode locking slot is identical with the shape size of right mode locking slot.
5. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The distance between second pin of first pin of 5L lead frame unit and novel SOT23-5L lead frame unit is equal to novel
The distance between the second pin of SOT23-5L lead frame unit and the third pin of novel SOT23-5L lead frame unit.
6. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The distance between third pin of first pin of 5L lead frame unit and novel SOT23-5L lead frame unit is equal to novel
The distance between the 4th pin and the 5th pin of novel SOT23-5L lead frame unit of SOT23-5L lead frame unit.
7. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The distance between the 4th pin of first pin of 5L lead frame unit and novel SOT23-5L lead frame unit is equal to novel
The distance between the third pin of SOT23-5L lead frame unit and the 5th pin of novel SOT23-5L lead frame unit.
8. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The distance between the 5th pin of first pin of 5L lead frame unit and novel SOT23-5L lead frame unit is equal to novel
The distance between the third pin of SOT23-5L lead frame unit and the 4th pin of novel SOT23-5L lead frame unit.
9. a kind of novel SOT23-5L lead frame structure as described in claim 1, which is characterized in that the novel SOT23-
The distance between the 4th pin of the second pin of 5L lead frame unit and novel SOT23-5L lead frame unit is equal to novel
The distance between the second pin of SOT23-5L lead frame unit and the 5th pin of novel SOT23-5L lead frame unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114318.9U CN209029369U (en) | 2018-12-14 | 2018-12-14 | A kind of novel SOT23-5L lead frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114318.9U CN209029369U (en) | 2018-12-14 | 2018-12-14 | A kind of novel SOT23-5L lead frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029369U true CN209029369U (en) | 2019-06-25 |
Family
ID=66911034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822114318.9U Active CN209029369U (en) | 2018-12-14 | 2018-12-14 | A kind of novel SOT23-5L lead frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029369U (en) |
-
2018
- 2018-12-14 CN CN201822114318.9U patent/CN209029369U/en active Active
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Address after: 518000 The whole building on the first floor of the factory building of Xinhao Second Industrial Zone, Xintian Community, Fuhai Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinzhantong Electronics Co., Ltd. Address before: 518000 the whole building on the first floor of building B1 in Xinhao second industrial zone, Qiaotou community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN XINZHANTONG ELECTRONICS CO.,LTD. |