解析缓冲吸收电容器在电力电子设备中的关键作用

2023-12-21 Knowles楼氏电容公众号
缓冲吸收电容器,电容器,SNUBBER CAPACITORS,Knowles 缓冲吸收电容器,电容器,SNUBBER CAPACITORS,Knowles 缓冲吸收电容器,电容器,SNUBBER CAPACITORS,Knowles 缓冲吸收电容器,电容器,SNUBBER CAPACITORS,Knowles

高压脉冲在电源电路中很常见,尤其是在开关过程中——开、关是设备功能的核心动作。因此,电压抑制是保护电路的基本系统要求。

缓冲吸收电容器是一种连接到大电流开关节点的电容器,旨在保护电子设备免受开关过程中可能出现的电压尖峰和瞬态影响。


开关动作(即打开或闭合)在设备上产生高电压是很常见的。这些电压尖峰如果超过元件的额定值,就会导致故障。缓冲吸收电容器为吸收和耗散多余能量提供了另一条途径,最终减少了电压尖峰和振铃效应。采用缓冲吸收电容器可提高效率、减少电磁干扰并保护元件。

图 1. 四种最常见的缓冲电路配置示意图:

(a) C型缓冲吸收电路,(b) RC型缓冲吸收电路,(c) 放电RCD型缓冲吸收电路,(d) 非放电RCD型缓冲吸收电路。

资料来源: https://fscdn.rohm.com/en/products/databook/applinote/discrete/sic/mosfet/sic-mos_snubber_circuit_design_an-e.pdf


缓冲吸收电路的设计有很多,电阻器-电容器 (RC) 和电阻器-电容器-二极管(RCD)是两种最常见的类型。RC缓冲吸收电路可抑制峰值电压并最大限度地减少振铃;RCD缓冲吸收电路相比具有减少电路损耗的优势,但电阻器上的二极管会在电容器充电时将电阻降至零,这是非常值得注意的一点。


缓冲吸收电容器有助于提高电路可靠性及工作效率——既能充分发挥快速半导体开关的优势,又可规避由电压尖峰造成的潜在不利影响。

授权代理商:世强先进(深圳)科技股份有限公司
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本文由犀牛先生转载自Knowles楼氏电容公众号,原文标题为:楼氏洞察|了解缓冲吸收电容器在电力电子设备中的关键作用,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。

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选型指南  -  WIMA  - Edition 2023/2024  - 04.23 PDF 英文 下载

MKP-Y2(CGY2) Series Metallized film capacitor Fixed capacitors for use in electronic equipment

型号- CGY2223KC221B6513PG,CGY2183KC221B6501PG,224027521253G,CGY2,223027521212G,153027521206G,CGY2224KC222DA453PG,CGY2104KC222DA675PG,MKP-Y2 SERIES,CGY2153KC221B6507PG,104027521282G,103027521222G,CGY2223JC221B4101PG,CGY2 SERIES,103027521226G,CGY2103KC221B6516PG,CGY2153KC221B3806PG,MKP-Y2,103027521216G,333027521210G,CGY2223KC221B4112PG,CGY2333KC221B6510PG,223027521213G,473027521220G,333027521208G,153027521207G,104027521275G,CGY2103KC221B4122PG,CGY2103KC221B3826PG,CGY2473KC221B6520PG,183027521201G,CGY2333KC221BA408PG,CGY2104KC221B6582PG,103027521219G,CGY2103KC221B4119PN

数据手册  -  CG-ELEC  - Ver.2023/08/16  - 2023/08/16 PDF 英文 下载

Nippon Chemi-Con(黑金刚)电子电路用薄膜电容器选型指南(中文)

目录- 电子电路用薄膜电容器产品指南    电子电路用薄膜电容器产品标准   

型号- FHACB102V684J2LEZ0,HACB3C682J,FTACD801V474JELHZ0,FTACD3B1V156JTLJZ0,HACB3G822J,HACB3A394J,HACD3E104J,FHACD252V223JRLQZ0,TACB2G154J,TACD3A224J,TACD3A684J,TACD3A333J,FTACB801V473JDLCZ0,FTACD401V225JELHZ0,FTACD501V225JELHZ0,TACD2G824J,FHACD1C2V183J0LGZ0,FHACD202V332JKLDZ0,HACD3D123J,TACD 系列,TACD2G185J,HACB3C223J,FTACD801V275JTLJZ0,FTACB401V224JDLCZ0,FTACB801V105JFLEZ0,FTACD102V564JFLEZ0,HACD3A823J,FTACB401V185JFLEZ0,TACB2G155J,TACD3A334J,FHACB3B2V682JLLQZ0,HACB3G183J,FTACD102V683JDLCZ0,FTACB801V104JHLGZ0,HACD3D473J,FHACB102V473J0LGZ0,FTACB801V394JELHZ0,HACB3A154J,FHACB202V183J1LHZ0,HACD3C274J,FHACE631N684J1A1S0,TACD2J104J,TACD2J564J,HACB2J824J,TACC2K275J,TACB2F394J,HACD3B184J,HACD3D472J,FHACD631V563J0LGZ0,HACB3C334J,FHACD631V124J0LGZ0,FHACD402V153JRLQZ0,HACB3C683J,FHACB631V124J0LGZ0,FTACD401V274JDLCZ0,FHACD1C2V394J2LEZ0,HACD3C273J,FHACB162V273J1LHZ0,FHACB102V274J2LEZ0,TACD2J105J,TACD2J565J,TACD3A683J,TACB2F395J,HACD3B824J,FTACD801V155JFLEZ0,TACC2J825J,HACB3C333J,HACB3C224J,FTACB3B1V395JFLEZ0,FHACD3B2V393JRLQZ0,FHACB162V394J4LJZ0,FHACD252V823JRLQZ0,FTACC801V685JULWZ0,FHACB1C2V183J0LGZ0,HACB3F822J,FTACD102V274JELHZ0,FHACD162V334J2LEZ0,HACD3B823J,FTACC451V106JRLFZ0,FTACD801V184JHLGZ0,HACB2J184J,HACB3F183J,FTACD401V224JDLCZ0,FTACD251V125JDLCZ0,FHACD202V823J2LEZ0,HACB3B223J,HACB2J823J,HACB3G272J,FHACD102V473J0LGZ0,FTACD102V125JFLEZ0,FTACD102V124JHLGZ0,FHACD202V274JTLJZ0,HACD3B183J,FTACD102V823JDLCZ0,FTACD801V105JFLEZ0,FTACD801V185JFLEZ0,FTACC451V126JTLJZ0,FHACB162V683J1LHZ0,TACB2F155J,HACB3B684J,FHACB1C2V154J2LEZ0,HACB3B333J,HACB3B224J,HACB3B683J,FHACD162V224J2LEZ0,FHACB1C2V823J1LHZ0,HACD3D274J,FHACD102V333J0LGZ0,HACD3C184J,FTACD3B1V275JELHZ0,FTACB631V185JFLEZ0,FHACD102V394J1LHZ0,HACB3B334J,FHACD3B2V473JRLQZ0,HACD3D273J,FTACC801V395JRLFZ0,HACD3C183J,TACB2K823J,HACB2J474J,FHACD102V824J2LEZ0,FTACD3B1V186JTLJZ0,HACD3C823J,FTACB3B1V565JFLEZ0,FHACD252V683JRLQZ0,TACD2E225J,FTACB631V105JFLEZ0,FHACB3B2V103JLLQZ0,FTACB3B1V274JDLCZ0,FTACE102N684JHAHS0,TACD2E685J,FTACD801V335JTLJZ0,TACB2G224J,TACB2K824J,FHACD202V683J2LEZ0,FHACB202V222JKLDZ0,HACB2J124J,HACD3C822J,TACB2G684J,FTACD401V334JDLCZ0,TACB2K184J,TACD2E335J,FHACB102V824J4LJZ0,HACD2J154J,FHACD162V683J1LHZ0,FHACD402V123JRLQZ0,HACB3A223J,HACB3A683J,FHACD1C2V474J2LEZ0,FHACD402V183JRLQZ0,FTACD801V394JELHZ0,TACB2G334J,TACB2G225J,FHACB631V184J1LHZ0,FHACB202V822JKLDZ0,FTACC631V565JRLFZ0,FTACB631V563JDLCZ0,FHACD102V823J0LGZ0,TACC3A155J,FHACB1C2V564J4LJZ0,HACD2J155J,FHACB631V474J2LEZ0,FHACB631V563J0LGZ0,HACB3A333J,HACB3A224J,HACB3A684J,FTACD102V334JELHZ0,FHACD102V154J1LHZ0,FTACC631V685JTLJZ0,FHACB202V224J4LJZ0,FTACB401V155JFLEZ0,TACB2G335J,HACB2J473J,FHACB102V154J1LHZ0,TACB2E106J,HACD3G392J,FTACD631V475JTLJZ0,FTACB251V156JTLJZ0,HACD3D184J,TACC2W685J,TACD3A154J,HACB3A334J,HACD3D823J,TACD2F225J,FTACD3B1V684JDLCZ0,FTACD102V224JELHZ0,FHACB402V472JLLQZ0,FHACB202V392JKLDZ0,FTACB631V474JELHZ0,TACB2E105J,TACD2F334J,TACD2F685J,HACD3G153J,FHACD162V333JKLDZ0,TACB2E565J,HACD3D183J,FTACD251V685JFLEZ0,TACB2J823J,FHACB3B2V273JLLQZ0,FHACD1C2V104J1LHZ0,FHACD252V473JRLQZ0,TACD2F226J,TACD2F335J,FTACD801V125JFLEZ0,HACD3D822J,FTACD631V155JFLEZ0,FTACD801V823JDLCZ0,TACB2E564J,FHACB202V332JKLDZ0,FHACB202V683J2LEZ0,FHACB162V333J1LHZ0,TACB2F224J,TACB2F684J,FTACD401V565JFLEZ0,TACB2J824J,HACB3G123J,FTACD501V564JHLGZ0,FHACD102V105J2LEZ0,FHACD162V273JKLDZ0,HACB2J274J,FHACD202V682JKLDZ0,HACB3D183J,FTACC631V395JRLFZ0,HACB3D823J,HACB3F273J,TACB2F225J,FHACB3B2V822JLLQZ0,FHACD162V223JKLDZ0,FTACB801V334JELHZ0,FHACD1C2V823J1LHZ0,FHACB162V224J2LEZ0,TACB2F334J,TACB2F685J,TACB2J184J,HACB3D182J,HACB3D822J,FTACB631V274JHLGZ0,TACB2E126J,TACD2F684J,FHACD402V682JRLQZ0,FHACD202V183JKLDZ0,HACD3F393J,HACD2J394J,FTACD401V395JFLEZ0,TACB2F335J,FTACB801V824JFLEZ0,HACB3G472J,FTACD3B1V824JDLCZ0,FHACD202V103JKLDZ0,FTACD3B1V125JHLGZ0,FTACE631N105JDADS0,FHACB402V272JLLQZ0,FTACD801V824JELHZ0,HACD3G472J,FTACB801V224JELHZ0,FHACB1C2V104J1LHZ0,FTACB251V685JFLEZ0,FHACD162V124J2LEZ0,FHACD202V392JKLDZ0,TACD2G335J,FTACD102V474JELHZ0,TACD2E156J,TACC2J335J,FHACB402V682JLLQZ0,HACD3F273J,HACB3G562J,TACB2J394J,FHACB3B2V153JLLQZ0,FTACD3B1V335JELHZ0,FTACB801V125JFLEZ0,FTACB401V475JTLJZ0,FTACD631V395JTLJZ0,FTACD3B1V225JELHZ0,TACD3A823J,HACB3D184J,HACB3F123J,FTACD401V105JHLGZ0,HACD3A104J,HACD3A564J,FHACB1C2V184J2LEZ0,HACD3A563J,TACC2J685J,FTACB251V275JELHZ0,HACD2J683J,FTACB801V823JDLCZ0,TACD2G225J,HACB3G103J,TACD2G334J,TACD3A184J,TACD2G685J,FTACE401N685JEAES0,TACB2J395J,FHACB102V683J0LGZ0,FTACD3B1V564JDLCZ0,HACD3B105J,HACD3G123J,FHACD102V683J0LGZ0,HACB3C183J,HACB3D272J,FTACC631V335JRLFZ0,HACD3A125J,TACB2K154J,HACD2J224J,HACD2J684J,FHACB102V104J1LHZ0,FHACB202V274J4LJZ0,FHACD252V393JRLQZ0,HACB3C823J,TACD2G224J,TACD2G684J,FTACC451V186JULWZ0,HACD3B564J,FTACE631N225JEAES0,FTACD631V275JFLEZ0,FHACD202V334JTLJZ0,FTACE631N335JEAES0,FTACB401V394JHLGZ0,FHACD1C2V125JTLJZ0,FTACC451V565JRLFZ0,FTACB801V563JDLCZ0,HACB3F472J,TACC3A225J,FTACB3B1V185JELHZ0,HACD2J334J,TACC2W156J,TACD2K394J,HACB3C822J,FTACD3B1V126JFLEZ0,FTACC102V225JULWZ0,FTACD102V154JHLGZ0,TACD2E155J,HACD3

选型指南  -  NIPPON CHEMI-CON  - 23.04 PDF 中文 下载

KNSCHA铝电解电容器提供高电容值,具有出色耐久性,为电子设备提供稳定、环保的电力支持

KNSCHA铝电解电容器以其高品质和可靠性而著称,为您的电子设备提供稳定的电力支持。选择KNSCHA品牌铝电解电容器,就是选择品质和信赖。KNSCHA致力于为您提供最佳的电力解决方案,让您的设备性能更卓越!

产品    发布时间 : 2024-04-25

MKP-X2(CG7X) Series Metallized film capacitor Fixed capacitors for use in electronic equipment

型号- CG7X683J2C21B4105PG,CG7X244J2C21B4102PG,CG7X104J2C21BB080PG,683027521206G,MKP-X2 SERIES,CG7X683J2C21BA606PG,224027521258G,104027521283G,244027521202G,CG7X205JC222M4101PG,104027521280G,CG7X SERIES,CG7X224J2C22D4158PG,CG7X334J2C22D4147PG,683027521205G,334027521247G,CG7X334J2C21B4149PG,CG7X,CG7X104J2C21B4183PG,MKP-X2,334027521249G

数据手册  -  CG-ELEC  - Ver.2023/08/16  - 2023/08/16 PDF 英文 下载

ISKRA(阿珂法)电力电子电容器 选型指南

描述- ● DC LINK CAPACITORS & SNUBBER CAPACITORS - RELEVANT FOR WIND PLANTS, SOLAR POWER PLANTS, MEDICAL AND INDUSTRIAL EQUIPMENT, CAR ELECTRONICS ● AC/DC GENERAL PURPOSE CAPACITORS - RELEVANT FOR POWER ELECTRONIC APPLICATIONS WITH HIGH CURRENT AND HARMONICS DISTORTION WITH LONG LIFE EXPECTANCY

型号- KNB1910,KNG4914,KNG1914,KNG4910,KNG1910,KNG2047,KNG3048,KNG3047,KNO1914,KNG2048,KNB1914,KNO1910,KNI5048,KNO19AX,KNO19BX

选型指南  -  ISKRA  - Version 4.0  - September 2017 PDF 英文 下载

ISKRA(阿珂法)电容器选型指南

描述- ​●Iskra capacitor plant is located in Semič, Slovenia. ●With a history going back almost 75 years, ISKRA develops cutting edge products and system solutions. We have a proven global track record in designing, engineering, and manufacturing a wide range of capacitors compliant with the strictest regulations and safety standards.

型号- KNB155X,KNB1530,KPL,KNB191X,KNB753X,KNM32XX,KPR,KNB252X,KNI5048,KLT,KEA1XXX,KLS,KLV,KNO19BX,KNB1540,KPL30XX,KNB253X,KNB156X,KPB70XX,KNI1910,KNO191X,KEA,KID,KNG304X,KPB7325,KNA96D6,KNO19AX,KNB1550,KEU,KNB,KNR153X,KPB7077,KNG,KNI,KNL,KNK,KNM12XX,KNU1910,KNG204X,KNM,KNP,KEU1012,KNO,KNB153X,KNR,KNU,KNB7425,KPL35XX,KNB1560,KNG191X,KNB154X,KNB158X,KPB73XX,KNM22XX,KLI1910,KEU1910,KPB,KPA,KNG491X,KNL35XX

选型指南  -  ISKRA  - 2023/12/7 PDF 英文 下载

TACB Series ELECTRONIC EQUIPMENT FILM CAPACITOR

型号- FTACB251V334JDLCZ0,FTACB631V684JELHZ0,TACB2F825J,TACB2E125J,TACB2G154J,TACB2G275J,FTACB801V224JELHZ0,FTACB251V685JFLEZ0,FTACB801V473JDLCZ0,FTACB3B1V224JDLCZ0,FTACB251V105JDLCZ0,FTACB401V224JDLCZ0,TACB2J394J,FTACB801V105JFLEZ0,FTACB801V125JFLEZ0,FTACB401V154JDLCZ0,FTACB401V475JTLJZ0,FTACB401V185JFLEZ0,FTACB631V155JFLEZ0,TACB2E475J,TACB2G155J,FTACB801V104JHLGZ0,FTACB251V275JELHZ0,FTACB801V823JDLCZ0,FTACB801V124JHLGZ0,TACB2J185J,TACB2J395J,FTACB3B1V394JDLCZ0,FTACB3B1V564JDLCZ0,TACB2J274J,TACB2E474J,FTACB801V394JELHZ0,FTACB401V105JELHZ0,TACB2K274J,TACB2K154J,TACB2F394J,FTACB631V124JDLCZ0,FTACB251V155JHLGZ0,FTACB401V394JHLGZ0,FTACB801V563JDLCZ0,FTACB3B1V185JELHZ0,FTACB251V226JTLJZ0,TACB2F395J,FTACB251V394JDLCZ0,TACB2F274J,FTACB401V335JFLEZ0,TACB SERIES,TACB2J155J,FTACB3B1V395JFLEZ0,FTACB3B1V335JFLEZ0,TACB2K124J,FTACB251V825JFLEZ0,TACB2F275J,FTACB631V824JELHZ0,TACB2J154J,TACB2J275J,TACB2G474J,FTACB801V564JFLEZ0,FTACB631V395JTLJZ0,TACB2E156J,FTACB801V683JDLCZ0,FTACB3B1V824JHLGZ0,TACB2K125J,FTACB251V474JDLCZ0,TACB2F155J,TACB2E155J,FTACB3B1V475JFLEZ0,FTACB401V564JELHZ0,TACB2G124J,TACB2G475J,TACB2K473J,FTACB251V106JFLEZ0,FTACB401V125JELHZ0,FTACB251V125JHLGZ0,TACB2E275J,TACB2G125J,FTACB401V104JDLCZ0,FTACB3B1V125JELHZ0,FTACB401V184JDLCZ0,FTACB631V185JFLEZ0,TACB2K474J,FTACB401V334JHLGZ0,TACB2E395J,FTACB401V684JELHZ0,FTACB801V274JELHZ0,TACB2K823J,FTACB3B1V684JDLCZ0,FTACB3B1V565JFLEZ0,FTACB631V105JFLEZ0,TACB2K564J,TACB2K334J,FTACB631V184JHLGZ0,TACB2K104J,FTACB3B1V274JDLCZ0,FTACB631V823JDLCZ0,TACB2E394J,FTACB401V474JHLGZ0,TACB2G224J,TACB2K824J,FTACB3B1V155JELHZ0,TACB2G684J,TACB2K184J,TACB2F474J,TACB2K105J,FTACB631V394JELHZ0,FTACB631V334JELHZ0,TACB2G334J,TACB2G104J,TACB2G225J,TACB2J125J,FTACB631V563JDLCZ0,FTACB251V565JFLEZ0,TACB2G184J,FTACB801V184JELHZ0,TACB2G564J,TACB2F475J,TACB2K683J,FTACB251V824JDLCZ0,FTACB251V185JHLGZ0,FTACB251V126JFLEZ0,FTACB801V333JDLCZ0,FTACB401V155JFLEZ0,TACB2G105J,TACB2G335J,TACB2G565J,TACB2E186J,FTACB401V124JDLCZ0,TACB2J124J,FTACB251V225JELHZ0,FTACB401V395JTLJZ0,FTACB401V225JFLEZ0,TACB2G185J,TACB2G824J,FTACB631V125JFLEZ0,TACB2E106J,FTACB251V684JDLCZ0,FTACB401V274JDLCZ0,FTACB251V156JTLJZ0,TACB2F125J,TACB2E825J,TACB2K333J,TACB2K563J,TACB2K684J,TACB2K224J,FTACB251V335JELHZ0,TACB2J474J,TACB2E185J,FTACB3B1V474JDLCZ0,FTACB3B1V105JHLGZ0,FTACB401V824JELHZ0,TACB2J224J,FTACB631V474JELHZ0,TACB2E226J,TACB2E105J,FTACB251V564JDLCZ0,TACB2K393J,TACB2E335J,TACB2E565J,FTACB631V683JDLCZ0,TACB2E824J,TACB2J823J,TACB2J334J,TACB2J564J,FTACB801V474JELHZ0,FTACB631V225JFLEZ0,TACB,FTACB3B1V225JELHZ0,TACB2E334J,TACB2E564J,TACB2E225J,TACB2E685J,FTACB631V335JTLJZ0,TACB2K394J,TACB2F224J,TACB2F684J,TACB2J824J,FTACB251V475JELHZ0,FTACB251V186JTLJZ0,FTACB401V275JFLEZ0,TACB2J335J,FTACB3B1V825JFLEZ0,FTACB3B1V685JFLEZ0,TACB2J105J,TACB2G394J,TACB2E684J,FTACB631V564JELHZ0,TACB2F225J,FTACB631V104JDLCZ0,FTACB631V224JHLGZ0,FTACB801V334JELHZ0,TACB2J683J,FTACB3B1V334JDLCZ0,FTACB401V565JTLJZ0,TACB2F334J,TACB2F685J,TACB2J184J,TACB2F564J,FTACB801V393JDLCZ0,FTACB631V154JDLCZ0,TACB2J104J,TACB2J225J,FTACB801V684JFLEZ0,TACB2G274J,FTACB3B1V275JELHZ0,FTACB631V275JTLJZ0,TACB2G395J,FTACB631V274JHLGZ0,TACB2E126J,TACB2F105J,FTACB251V395JELHZ0,TACB2F824J,TACB2F185J,FTACB801V154JHLGZ0,TACB2F335J,TACB2J563J,TACB2J684J,FTACB801V824JFLEZ0,TACB2F565J

数据手册  -  NIPPON CHEMI-CON  - 2024/4/3 PDF 英文 下载 查看更多版本

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品牌:Nippon Chemi-Con

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价格:¥0.7560

现货:180,000

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ESD防护解决方案

整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。

提交需求>

医疗电线定制

可定制电线特性阻抗50-80Ω,静电容量54-110pF/m,减衰量0.5-0.7db/m以下,芯对数和截面积、尺寸长度;支持B超电线、内窥镜电线、血液分析仪电线、医疗USB电线、病床设备电线定制。

最小起订量: 1000m 提交需求>

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授权代理品牌:加工与定制

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