CN202695438U - Ultra-fast recovery rectified diode module for large current - Google Patents
Ultra-fast recovery rectified diode module for large current Download PDFInfo
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- CN202695438U CN202695438U CN 201220393313 CN201220393313U CN202695438U CN 202695438 U CN202695438 U CN 202695438U CN 201220393313 CN201220393313 CN 201220393313 CN 201220393313 U CN201220393313 U CN 201220393313U CN 202695438 U CN202695438 U CN 202695438U
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Abstract
This utility model relates to an ultra-fast recovery rectified diode module for a large current. The rectified diode module comprises a base plate, an outer shell, two main electrodes disposed on the outer shell, two copper electrode plates connected with the two main electrodes and disposed in the outer shell and two groups of ultra-fast recovery diode chip sets, wherein the outer shell is fixedly arranged on the base plate; the two main electrodes are disposed on the upper end surfaces of the outer shell; one ends of the two main electrodes pass through the upper end surfaces of the outer shell and are formed in the outer shell; the two copper electrode plates are connected with the ends formed in the outer shell of the two main electrodes respectively; and the two groups of ultra-fast recovery diode chip sets are disposed at the bottom of the outer shell and are fixedly connected with the other ends of the two copper electrode plates respectively. By additionally arranging the ultra-fast recovery diode chips, rectified current of the ultra-fast recovery rectifier diode is increased greatly; and the ultra-fast recovery rectifier diode module has the characteristics of reasonable wire arrangement, small size, low cost, good compatibility of recovery time, stability of reverse leakage current, low power consumption, high power, etc.
Description
Technical field
The utility model relates to semiconductor device in a kind of power electronic equipment, relates in particular to the large current commutates diode (led) module of a kind of Ultrafast recovery.
Background technology
Generally adopt on the market at present single fast recovery diode when the equipment requirement current capacity is larger, the current capacity of single fast recovery diode is difficult to meet the demands, for improving current capacity, only have and adopt a plurality of fast recovery diodes in parallel, because wiring complexity and circuit are longer, make compatibility recovery time of this fast recovery diode relatively poor, reverse leakage current is unstable, switching speed is slow, thereby has large electric current, low-voltage changes to use in the high-frequency switch rectifying power supply that strict demand is arranged being subject to many limitations to the diode recovery time.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, a kind of compact conformation is provided, recovery time is fast, capacitance is large and is applicable to the large current commutates diode (led) module of Ultrafast recovery in the high-frequency switch rectifying power supply.
For achieving the above object, the utility model adopts the large current commutates diode (led) module of a kind of Ultrafast recovery, comprise base plate, shell, be arranged on two main electrodes on the shell, be connected with two main electrodes and in the enclosure two copper electrode sheets are set, two groups of ultrafast recovery diode chip groups, described shell is fixedly installed on the base plate, two main electrodes are arranged on the shell upper surface, one end of two main electrodes penetrates the shell upper surface and forms in the enclosure, two copper electrode sheets are connected with the end formation that two main electrodes form in the enclosure respectively, two groups of ultrafast recovery diode chip groups are arranged on the bottom of shell and are fixedly connected with the other end of two copper electrode sheets respectively, the silver-colored tin welding of the anode of described ultrafast recovery diode chip group and main electrode, the silver-colored tin welding of negative electrode and base plate.
The large current commutates diode (led) module of Ultrafast recovery, utilize the characteristics of fast recovery diode energy automatic current equalizing, with the use in parallel of a plurality of little electric current ultrafast recovery diode chips, the rectified current and the wiring that have greatly improved Ultrafast recovery diode are reasonable, and volume is little, and cost is low, recovery time, compatibility was good, reverse leakage current is stable, low-power consumption, the advantages such as high efficiency.
The utility model further arranges again, and each ultrafast recovery diode chip group comprises 3 fast recovery diode chips, and 3 fast recovery diode chips are combined in parallel.
The raising that this setup reaches the rectified current of Ultrafast recovery diode so that the wiring of product is more reasonable, recovery time is compatible better, reverse leakage current is more stable.
The utility model further arranges again, is provided with insulating ceramic film between copper electrode sheet and the base plate, and the inwall of shell is provided with insulating protective layer.
Be provided with the multi-insulation protection, reach the effect of protection chip, so that the insulation property of product are more outstanding, performance is more stable.
The utility model further arranges again, and shell adopts the making of ABS engineering plastics, base plate to adopt copper product making, insulating protective layer to adopt epoxy resin to make.
Shell adopts engineering plastics to make, and makes housing more firmly with reliable; The making of base plate employing copper product is conducted electricity excellent and thermal diffusivity good; Insulating protective layer adopts epoxy resin to make, and has improved greatly sealing property and the insulation property of product.
In sum, the beneficial effects of the utility model are: in traditional rectifier diode module, set up ultrafast recovery diode chip, greatly improved the rectified current of Ultrafast recovery diode and have wiring rationally, volume little, with low cost, recovery time compatible good, the characteristics such as reverse leakage current stable, low-power consumption and high power.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
As shown in Figure 1; specific embodiment of the utility model is the large current commutates diode (led) module of Ultrafast recovery; comprise the base plate 1 of being made by copper material; the shell 5 that the ABS engineering plastics are made; be arranged on two main electrodes 6 on the shell 5; two copper electrode sheets 3 that are connected with a end in two main electrodes 6 stretch into shell 5; the ultrafast recovery diode chip group that two other ends with copper electrode sheet 3 link to each other and are formed in parallel by 3 ultrafast recovery diode chips 2; between copper electrode sheet 3 and base plate 1 with insulating ceramic film 4 isolation of insulating; the anode of described Ultrafast recovery rectifier diode chip 2 is connected with the silver-colored soldering of main electrode 6 usefulness; negative electrode is connected with the silver-colored soldering of base plate 1 usefulness; and at shell 5 interior encapsulated epoxy resins formation insulating protective layers 7; can reach the effect of protection chip; by above-mentioned setting; this practicality has been set up ultrafast recovery diode chip 2 in traditional rectifier diode module, greatly improved the rectified current of Ultrafast recovery diode and had wiring rationally; volume is little; with low cost; recovery time, compatibility was good; reverse leakage current is stable; the characteristics such as low-power consumption and high power.
Claims (4)
1. large current commutates diode (led) module of Ultrafast recovery, it is characterized in that: comprise base plate, shell, be arranged on two main electrodes on the shell, be connected with two main electrodes and in the enclosure two copper electrode sheets are set, two groups of ultrafast recovery diode chip groups, described shell is fixedly installed on the base plate, two main electrodes are arranged on the shell upper surface, one end of two main electrodes penetrates the shell upper surface and forms in the enclosure, two copper electrode sheets are connected with the end formation that two main electrodes form in the enclosure respectively, two groups of ultrafast recovery diode chip groups are arranged on the bottom of shell and are fixedly connected with the other end of two copper electrode sheets respectively, the silver-colored tin welding of the anode of described ultrafast recovery diode chip group and main electrode, the silver-colored tin welding of negative electrode and base plate.
2. the large current commutates diode (led) module of Ultrafast recovery according to claim 1, it is characterized in that: each ultrafast recovery diode chip group comprises 3 fast recovery diode chips, 3 fast recovery diode chips are combined in parallel.
3. the large current commutates diode (led) module of Ultrafast recovery according to claim 1 and 2 is characterized in that; Be provided with insulating ceramic film between described copper electrode sheet and the base plate, the inwall of shell is provided with insulating protective layer.
4. the large current commutates diode (led) module of Ultrafast recovery according to claim 3 is characterized in that: the making of described shell employing ABS engineering plastics, the making of base plate employing copper product, the making of insulating protective layer employing epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393313 CN202695438U (en) | 2012-08-08 | 2012-08-08 | Ultra-fast recovery rectified diode module for large current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393313 CN202695438U (en) | 2012-08-08 | 2012-08-08 | Ultra-fast recovery rectified diode module for large current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695438U true CN202695438U (en) | 2013-01-23 |
Family
ID=47551015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393313 Expired - Fee Related CN202695438U (en) | 2012-08-08 | 2012-08-08 | Ultra-fast recovery rectified diode module for large current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282677A (en) * | 2014-11-05 | 2015-01-14 | 成都晶川电力技术有限公司 | Fast recovery diode module |
| CN107947605A (en) * | 2017-12-25 | 2018-04-20 | 黄山硅鼎电子有限公司 | Based on the bridge rectifier that GPP rectification chips are parallel |
-
2012
- 2012-08-08 CN CN 201220393313 patent/CN202695438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282677A (en) * | 2014-11-05 | 2015-01-14 | 成都晶川电力技术有限公司 | Fast recovery diode module |
| CN104282677B (en) * | 2014-11-05 | 2017-02-15 | 成都晶川电力技术有限公司 | Fast recovery diode module |
| CN107947605A (en) * | 2017-12-25 | 2018-04-20 | 黄山硅鼎电子有限公司 | Based on the bridge rectifier that GPP rectification chips are parallel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150808 |
|
| EXPY | Termination of patent right or utility model |