【产品】沃尔德推出轻载效率大幅提升的吸收二极管，可改善电源中30M-60M的辐射问题

时间： 2022-07-03 来源：沃尔德

技术问答

沃尔德推出的吸收二极管由于其比较平缓的反向恢复特性，和比较长的恢复时间，让dv/dt变的非常小，从而改善了30M-60M的辐射问题。

吸收二极管能够控制恢复电流，使其平缓，所以温度不高，而普通二极管的恢复电流不受控制，所以存在温度较高的问题；而反向恢复时间够长的话，就有足够的时间把变压器的漏感吸收掉，回收漏感能量所以效率提高，解决EMI困扰。

吸收二极管特点

1、改善空载功耗

2、轻载效率大幅提升

3、改善中频段的EMI特性

电路原理图

波纹对比图

EMC效果实测对比

现有型号

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本文由可莉转载自沃尔德，原文标题为:改善电源中30M-60M的辐射问题——吸收二极管值得信赖！，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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沃尔德（World）分立半导体器件产品选型表

描述- 沃尔德实业是专注于分立半导体器件及研发的国家高新技术企业，公司总部位于深圳。致力于更高能效转换的半导体产品研发与设计，提供更加专业的半导体元器件。主要产品有低VF肖特基、肖特基桥式整流器、高压肖特基、类碳化硅肖特基、吸收二极管、软恢复桥、低VF桥等；目前在研究的产品包括氮化镓、MOS驱动桥、高压碳化硅等。我们提供高可靠度、高效率、低温升、超薄贴片型的产品。广泛应用于电源系统、通信设备、LED照明设备、各种家用电器，消费电子设备等。

型号- TSR16L45CT,SMCJ36CA,LSB806E50,SMDJ12A,SMDJ43CA,SMBJ51A,SMBF33CA,MUR3060CTF,SMF10CA,WRMSB30M,SMDJ13A,MMBT4401,MMBT4403,SMDJ78CA,S3M-C,S3M-B,SMDJ11A,SMF26A,ES8KSP,SMF45CA,MBR60150PT,SMCJ14CA,SMCJ78A,MUR4020CT,MURE860ACT,SMBFJ90CA,SMDJ10A,MBR10200CT,ABD-10FL,SMBF11CA,MURE860ACF,SMAFJ100CA,SMCJ100CA,TSP5S150AF,TSP3L60FL,TSP15L80SP,SMF120CA,MURE1620CTF,BZT52C8V2,SMAF13CA,SMDJ170A,SMAJ70A,SMBF68CA,SMF24A,SMDJ58A,TSP10S150D-S,TSA5L300,TSR40L200CTF,SMCJ30A,GBU310,SMAFJ6.5CA,SMBFJ15CA,TSP2L40FL,SMF58CA,SMCJ75A,SMAJ100A,SMF22A,TSR20S100CTF,D3K310,PDF1V05CB,SMDJ30CA,LSB80M,DXB8003E50,SMDJ54A,SMDJ160CA,SMF36CA,SMA8.2A,MBR40100CTF,PSD3L24C,SMAFJ30CA,MBR40100CTB,MBR10100CTB,MUR860ACT,MBR10100CTF,GBU606E50,SMCJ220CA,SMF20A,MUR1620CTR,MUR860ACF,SMBF24CA,SMBFJ28CA,MUR1620CTF,MUR1620CTB,TSP3L60AF,SMAF22CA,BAV20WS,BZX84C9V1,SMF14CA,SMBF8.2CA,MBR20100CT,ES3G-SMC,ES3G-SMB,MURE4060CTFR,WRMSB30MG,TSP10V60SP,SMB6.8A,SMBF180CA,TSR20A60CT,SMDJ51A,MURE4020CT,KBJ406,SMCJ18CA,TSR20L200CT,DXB6006E50,TSP5V100AF,TSR60L100PT,MBR30200CTB,TSP10L100BF,WRGBP210,MURE1640CTF,SMDJ120CA,TSR10L200CTF,SMAFJ17CA,SMAF200CA,TSP20A150P6,PDF1U05C,SMAFJ70CA,SMBJ90A,SMF64A,TSP15L100SP,GBU1506L,PDF2L05C,TSR10V150CT,SMBF15CA,SS26-SMB,MUR1640CT,SMCJ70A,MBR6045PTS,US1M,SMBJ5.0A,SR1045,SMB27A,TSA10V120,SMCJ100A,SMAF7.5CA,GBJ2503E50,SS24-SMB,SS24-SMA,RBU810,SMAFJ220CA,MBR30150CTF,TSA8L60,ES2J-SMB,ES2J-SMA,SMBFJ8.0CA,TSR40L60CT,LSB40M,SMDJ5.0A,SR1060,WRKBJ1510,KMB110F,TSP1L40S,SMBJ170A,SMB 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型号- MSB40JL,GBJ2506E50,D3K803E50,KBJ1506L,TSR10L350CTF,WRGBP310,TSP2L40FL,RBU1506L,ABD-10A,GBJ1506L,D3K806E50,WRMSB30M,GBU803E50,GBU1003E50,TSP3L40FL,GBJ2506L,GBU1506E50,WRABS20M,GBU2503E50,GBU2506E50,WRKBJ610,TSA10L300,GBU806E50,WRGBU1010,TSR6T600ACT,WRKBJ410,TSR8T600ACT,D3K606E50,WRGBP210,WRGBU1510,TSR16T350ACT,WRABS15M,WRMSB40M,TSA16L300,TSP1L40S,TSR10L300CT,TSR10T600ACT,TSP05V40D,WRGBP410,TSR20L350CTF,ABD-10FL,RBU406L,RBU806L,D3K603E50,GBP406L,TSP3P40FL,WRGBU610,KBJ806L,WRGBU410,GBU606E50,GBU806L,TSR6T650ACT,TSR8T650ACT,GBU1506L,WRGBU810,WRABS10M,LSB40JL,WRMSB25M,TSR16L300CT,TSR10L300CTF,GBU1503E50,TSA5L300,TSA15P80,GBU603E50,TSR16L300CTF,GBU1006E50

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