CN204029795U - Transient voltage suppressor device - Google Patents
Transient voltage suppressor device Download PDFInfo
- Publication number
- CN204029795U CN204029795U CN201420461400.8U CN201420461400U CN204029795U CN 204029795 U CN204029795 U CN 204029795U CN 201420461400 U CN201420461400 U CN 201420461400U CN 204029795 U CN204029795 U CN 204029795U
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- CN
- China
- Prior art keywords
- transient voltage
- voltage suppressor
- paster
- dao
- lead
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
Abstract
The utility model relates to a kind of transient voltage suppressor device, comprises two two-way transient voltage suppressor, two lead-in wires and plastic-sealed body; Two lead-in wires have separately the paster Ji Dao with its one each other respectively, and two two-way transient voltage suppressor are contained on corresponding paster Ji Dao respectively; First and second two-way transient voltage suppressor, first and second paster Ji Dao are all encapsulated in plastic-sealed body; Described first paster Ji Dao is also equipped with the first switching diode, and the positive pole of the first switching diode is electrically connected with the second two-way transient voltage suppressor by bonding wire; Described second paster Ji Dao is also equipped with second switch diode, and the positive pole of second switch diode is electrically connected with the first two-way transient voltage suppressor by bonding wire; Described first switching diode and second switch diode are all encapsulated in plastic-sealed body.The utility model has and effectively can reduce junction capacitance, improves response speed, disturbs the advantages such as little.
Description
Technical field
The utility model is specifically related to a kind of transient voltage suppressor device, belongs to semiconductor microelectronics device arts.
Background technology
When the two poles of the earth of two-way transient voltage suppressor described in the utility model are subject to reverse transient state high energy impact events; it can with the speed of 10-12 second-time; the high impedance of its two interpolar is become Low ESR; absorb the surge power up to thousands of watts; make the voltage clamp of two interpolars in a predetermined value; effectively protect the precision components in electronic circuit, from the damage of various surge pulse.Because it has that the response time is fast, transient power is large, leakage current is low, puncture voltage deviation is little, clamping voltage is more easy to control, without the advantage such as damage limit, volume be little, has been widely used in the every field such as computer system, communication apparatus, power supply, household electrical appliance at present.
Existing two-way transient voltage suppressor carries out differential concatenation by two transient voltage suppressor (TVS) to form, and capacitances in series can be utilized like this to diminish characteristic to decrease TVS junction capacitance object.But the junction capacitance of the two-way transient voltage suppressor of prior art is still very large, and therefore affects its response speed, disturbs also large.
Summary of the invention
The purpose of this utility model is: provide one effectively can reduce junction capacitance, improves response speed, disturbs little transient voltage suppressor device, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model: a kind of transient voltage suppressor device, comprises the first two-way transient voltage suppressor, the second two-way transient voltage suppressor, the first lead-in wire, the second lead-in wire and plastic-sealed body; Described first lead-in wire and the second lead-in wire have separately and its first paster Ji Dao integrally and the second paster Ji Dao each other respectively, described first two-way transient voltage suppressor is contained on the first paster Ji Dao, and the second two-way transient voltage suppressor is contained on the second paster Ji Dao; Described first two-way transient voltage suppressor, the second two-way transient voltage suppressor, the first paster Ji Dao and the second paster Ji Dao are all encapsulated in plastic-sealed body; Its innovative point is:
Described first paster Ji Dao is also equipped with the first switching diode, and the positive pole of the first switching diode is electrically connected with the second two-way transient voltage suppressor by bonding wire;
Described second paster Ji Dao is also equipped with second switch diode, and the positive pole of second switch diode is electrically connected with the first two-way transient voltage suppressor by bonding wire;
Described first switching diode and second switch diode are all encapsulated in plastic-sealed body.
In technique scheme, described first lead-in wire and the second lead-in wire have separately and its first bending section integrally and the second bending section each other respectively, and the first bending section and the second bending section are respectively near plastic-sealed body place.
In technique scheme, described first lead-in wire stretch out direction and the second lead-in wire to stretch out direction contrary.
In technique scheme, described first switching diode is contained on the first paster Ji Dao by eutectic or conducting resinl or soldering paste or weld tabs; Second switch diode is contained on the second paster Ji Dao by eutectic or conducting resinl or soldering paste or weld tabs.
In technique scheme, described first two-way transient voltage suppressor is contained on the first paster Ji Dao by leading eutectic or electric glue or soldering paste or weld tabs; Second two-way transient voltage suppressor is contained on the second paster Ji Dao by eutectic or conducting resinl or soldering paste or weld tabs.
The good effect that the utility model has is: after adopting above-mentioned transient voltage suppressor device; two the two-way transient voltage suppressor be encapsulated in plastic-sealed body are connected with a switching diode respectively; the junction capacitance of the two-way transient voltage suppressor after such series connection can reduce again; like this; response speed of the present utility model is faster; disturb less, better can protect ultra-high frequency circuit realiration, achieve the purpose of this utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the right view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited thereto.
As shown in Figure 1, 2, 3, a kind of transient voltage suppressor device, comprises the first two-way transient voltage suppressor 1, second two-way transient voltage suppressor 2, first lead-in wire 3, second lead-in wire 4 and plastic-sealed body 5; Described first lead-in wire 3 and the second lead-in wire 4 have separately and its first paster base island 3-1 of one and the second paster base island 4-1 each other respectively, described first two-way transient voltage suppressor 1 is contained on the first paster base island 3-1, and the second two-way transient voltage suppressor 2 is contained on the second paster base island 4-1; Described first two-way transient voltage suppressor 1, second two-way transient voltage suppressor 2, first paster base island 3-1 and the second paster base island 4-1 is all encapsulated in plastic-sealed body 5; And its:
Described first paster base island 3-1 is also equipped with the first switching diode 6, and the positive pole of the first switching diode 6 is electrically connected with the second two-way transient voltage suppressor 2 by bonding wire;
Described second paster base island 4-1 is also equipped with second switch diode 7, and the positive pole of second switch diode 7 is electrically connected with the first two-way transient voltage suppressor 1 by bonding wire;
Described first switching diode 6 and second switch diode 7 are all encapsulated in plastic-sealed body 5.
As shown in Figure 1, 2, 3, described first lead-in wire 3 and the second lead-in wire 4 have separately and its first bending section 3-2 of one and the second bending section 4-2 each other respectively, and the first bending section 3-2 and the second bending section 4-2 is respectively near plastic-sealed body 5 place.
As shown in Figure 1, 2, 3, in order to make the utility model rational in infrastructure, compact, described first lead-in wire 3 stretch out direction and the second lead-in wire 4 to stretch out direction contrary.
First switching diode 6 described in the utility model is contained on the first paster base island 3-1 by eutectic or conducting resinl or soldering paste or weld tabs; Second switch diode 7 is contained on the second paster base island 4-1 by eutectic or conducting resinl or soldering paste or weld tabs.
First two-way transient voltage suppressor 1 described in the utility model is contained on the first paster base island 3-1 by eutectic or conducting resinl or soldering paste or weld tabs; Second two-way transient voltage suppressor 2 is contained on the second paster base island 4-1 by eutectic or conducting resinl or soldering paste or weld tabs.
Two the two-way transient voltage suppressor be encapsulated in plastic-sealed body are connected with a switching diode by the utility model respectively; the junction capacitance of the two-way transient voltage suppressor after such series connection can reduce again; like this; response speed of the present utility model is faster; disturb less; better can protect ultra-high frequency circuit realiration
The utility model lab scale effect shows, and its effect is well-content.
Claims (5)
1. a transient voltage suppressor device, comprises the first two-way transient voltage suppressor (1), the second two-way transient voltage suppressor (2), the first lead-in wire (3), the second lead-in wire (4) and plastic-sealed body (5); Described first lead-in wire (3) and the second lead-in wire (4) have separately and its first paster Ji Dao (3-1) integrally and the second paster Ji Dao (4-1) each other respectively, described first two-way transient voltage suppressor (1) is contained on the first paster Ji Dao (3-1), and the second two-way transient voltage suppressor (2) is contained on the second paster Ji Dao (4-1); Described first two-way transient voltage suppressor (1), the second two-way transient voltage suppressor (2), the first paster Ji Dao (3-1) and the second paster Ji Dao (4-1) are all encapsulated in plastic-sealed body (5); It is characterized in that:
Described first paster Ji Dao (3-1) is also equipped with the first switching diode (6), and the positive pole of the first switching diode (6) is electrically connected with the second two-way transient voltage suppressor (2) by bonding wire;
Described second paster Ji Dao (4-1) is also equipped with second switch diode (7), and the positive pole of second switch diode (7) is electrically connected with the first two-way transient voltage suppressor (1) by bonding wire;
Described first switching diode (6) and second switch diode (7) are all encapsulated in plastic-sealed body (5).
2. transient voltage suppressor device according to claim 1, it is characterized in that: described first lead-in wire (3) and the second lead-in wire (4) have separately and its first bending section (3-2) integrally and the second bending section (4-2) each other respectively, and the first bending section (3-2) and the second bending section (4-2) are respectively near plastic-sealed body (5) place.
3. transient voltage suppressor device according to claim 1, is characterized in that: described first lead-in wire (3) stretch out direction and the second lead-in wire (4) to stretch out direction contrary.
4. transient voltage suppressor device according to claim 1, is characterized in that: described first switching diode (6) is contained on the first paster Ji Dao (3-1) by eutectic or conducting resinl or soldering paste or weld tabs; Second switch diode (7) is contained on the second paster Ji Dao (4-1) by eutectic or conducting resinl or soldering paste or weld tabs.
5. transient voltage suppressor device according to claim 1, is characterized in that: described first two-way transient voltage suppressor (1) is contained on the first paster Ji Dao (3-1) by eutectic or conducting resinl or soldering paste or weld tabs; Second two-way transient voltage suppressor (2) is contained on the second paster Ji Dao (4-1) by eutectic or conducting resinl or soldering paste or weld tabs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420461400.8U CN204029795U (en) | 2014-08-15 | 2014-08-15 | Transient voltage suppressor device |
Applications Claiming Priority (1)
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CN201420461400.8U CN204029795U (en) | 2014-08-15 | 2014-08-15 | Transient voltage suppressor device |
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CN204029795U true CN204029795U (en) | 2014-12-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230215864A1 (en) * | 2022-01-03 | 2023-07-06 | Amazing Microelectronic Corp. | Bidirectional electrostatic discharge (esd) protection device |
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2014
- 2014-08-15 CN CN201420461400.8U patent/CN204029795U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230215864A1 (en) * | 2022-01-03 | 2023-07-06 | Amazing Microelectronic Corp. | Bidirectional electrostatic discharge (esd) protection device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 213022 Changzhou, North New District, Jiangsu Yangtze River Road, No. 19 Patentee after: Changzhou Galaxy century microelectronics Limited by Share Ltd Address before: 213022 Changzhou, North New District, Jiangsu Yangtze River Road, No. 19 Patentee before: Changzhou Galaxy Century Micro-Electronics Co., Ltd. |