【应用】0451002.MRL贴片式保险丝成功应用于自动化后级驱动电源保护

2019-08-20 世强
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本文应用于自动化行业,在给步进电机驱动板供电过程中,为了防止误操作电源反接导致火灾,以及防止后级电路短路损坏核心芯片等,需要在步进电机驱动板电源供电侧添加fuse进行保护。要求fuse具有高可靠性,具有快的熔断速度,阻抗低等特点,同时本设计应用在PCB板上,要求fuse同时具有小封装,能够支持表面贴装等特点。


Littlefuse推出的451系列Nano2®SMF保险丝是一种非常小的WIA方形表面安装保险丝,专为PCB贴装应用设计,封装尺寸小,能够快速熔断,最大额定电压125V,工作温度范围–55℃ to 125℃,并且可焊性符合MIL-STD-202, Method 208,同时该系列fuse具有宽范围的可用额定电流(0.062A-20A),根据项目需求,本设计选择额定电流为2A的0451002.MRL


0451002.MRL处原理图

图1 0451002.MRL处原理图


如上图所示,本文仅显示0451002.MRL处原理图,本文步进电机驱动板采用24V供电,通过连接器J9给后级驱动板供电,前级24V输出采用SSR控制,D10绿色LED用来指示输出状态,F2为2A的0451002.MRL, 为后级步进电机板提供过流保护。


0451002.MRL焊接至PCB板上:

图2  0451002.MRL焊接至PCB板上


如上图所示,0451002.MRL封装小,在PCB板上占用空间小,两端带金帽,方便焊接,同时也能够减少fuse的导通阻抗。0451002.MRL具有白色外壳,熔断后发黑,能够很方便的定位异常原因;通过实际应用,能够很好的保护后级驱动电路,并且方便异常问题的定位和处理,满足本项目设计需求。


0451002.MRL fuse世强平台现货供应,工程师可根据自己项目的需求选型使用,样品申请方便快捷。


授权代理商:世强先进(深圳)科技股份有限公司
技术资料,数据手册,3D模型库,原理图,PCB封装文件,选型指南来源平台:世强硬创平台www.sekorm.com
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【产品】超小型特快熔断保险丝,为直放站电源系统保驾护航

尺寸仅6.1x2.7x2.7mm,–55°C~125°C的宽工作温度范围, 0.062A -20A 的宽工作电流。

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0451002.MRL REACH(SVHC)声明

型号- 0451002.MRL

August 3, 2021  - LITTELFUSE  - 测试报告 代理服务 技术支持 批量订货 查看更多版本

特快熔断超小型表面贴装保险丝451/453系列,两者有何区别?

451/453系列皆为特快熔断超小型表面贴装保险丝,区别为镀盖的材料不同,451系列的材料是金,453系列的材料是银。

2017-10-10 -  技术问答 代理服务 技术支持 批量订货

RoHS实验室分析报告和认证

描述- 本报告为Littelfuse公司提供的RoHS实验室分析报告和认证,确认其产品符合欧盟RoHS指令2011/65/EU关于限制在电气和电子设备中使用某些有害物质的要求。报告详细列出了产品材料成分及其适用的RoHS豁免,并提供下载第三方RoHS验证报告的步骤。

型号- 0451.062MRL,0451.125MRL,0451001.NRL,0451001.MRL,0451005.NRL,0451005.MRL,0451.100MRL,0451.750MRL,0451002.MRL,0451015.NRL,0451002.NRL,0451015.MRL,0451.160MRL,0451.500MRL,0451010.MRL,0451008.MRL,0451008.NRL,045101.5MRL,0451003.MRL,0451020.MRL,0451007.MRL,04513.15MRL,0451004.MRL,0451012.MRL,04511.25MRL,045106.3MRL

2017/08/03  - LITTELFUSE  - 测试报告 代理服务 技术支持 批量订货

0451002.MRL有害物质限制(RoHS)合规证书

描述- 本证书证明Littelfuse公司产品系列/零件编号0451002.MRL符合RoHS 2指令2011/65/EU的要求,不含有铅、汞、镉、六价铬、多溴联苯(PBB)或多溴联苯醚(PBDE)等有害物质,且不含有邻苯二甲酸二(2-乙基己基)酯(DEHP)、丁基苯基邻苯二甲酸酯(BBP)、二丁基邻苯二甲酸酯(DBP)和二异丁基邻苯二甲酸酯(DIBP)等有害物质。此认证不改变任何合同或购买协议的条款。证书由Littelfuse公司全球EH&S总监Jennilyn Dinglasan-Santos于2019年4月8日签发。

型号- 0451002.MRL

April 8, 2019  - LITTELFUSE  - 测试报告 代理服务 技术支持 批量订货

Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series

描述- 该资料介绍了NANO2®系列快速熔断表面贴片保险丝(451/453系列),适用于电路过载保护。这些保险丝具有非常快的响应时间、低温度范围和小型尺寸,符合RoHS标准。资料提供了详细的电气规格、工作温度范围、应用领域和包装信息。

型号- 0451.062MRL,453 SERIES,045101.6MRL,0451.125MRL,0451.400MRL,0451001.MRL,0451005.MRL,0451.100MRL,0451.750MRL,0451002.MRL,045102.5MRL,0451015.MRL,0451.160MRL,0451.630MRL,0451.500MRL,0451010.MRL,0451.315MRL,0451001.MR,0451.200MRL,0451008.MRL,045101.5MRL,0451003.MRL,0451.800MRL,0451.080MRL,0451.250MRL,0453001.MR,0451020.MRL,0451007.MRL,04513.15MRL,0451.375MRL,045103.5MRL,451 SERIES,0451012.MRL,0451004.MRL,04511.25MRL,045106.3MRL

12/14/17  - LITTELFUSE  - 数据手册  - Revised: 12/14/17 代理服务 技术支持 批量订货

【应用】Littelfuse(力特) 电路保护器件在BMS的应用

描述- 适用于BMS的Littelfuse(力特)保护方案

型号- 0HEV030.,0440008.,SPHV-C,SP3030-01,L50QS,0440001.WR,L70QS100.V,0451002.MRL,0251003.,0251015.,L70QS150.,TPSMB27CA,0437002.WRA,0437008.WR,L70QS040.V,L70QS300.,0505025.MXEP,0437005.,TPSMB15A,SM24CANA,TPSMB27A,0453.630MRA,0505025.,0251.062NRT1L,0451004.,L70QS080.,TPSMB30CA,L70QS600.V,0504030.,L70QS040.,TPSMB24A,0505025.MX52LEP,SP4021-01,0505010.,0505015.MXEP,04401.75,0HEV030.ZXISO,0440.750WR,TPSMB30,251,0437.500,L70QS,L70QS100.,SD05C-01FTG,0504025.MXEP,L50QS500.X,L70QS400.V,L50QS500.,TPSMB13A,0505030.MXEP,0451003.MRL,0453001.MR,0HEV030.ZXPCBL,0251.062,0251015.MRT1L,SP3030,L70QS200.V,L70QS450.,L70QS450.V,L50QS200.,0437008.,L70QS600.,04531.25MR,0437002.,04401.75WR,TPSMA6L,0505020.,TPSMB22A,0451001.MRL,0453001.MRL,0451001.,SPHV36-01KTG-C,04531.25,0HEV030.ZXBD,0453.630,437,L70QS080.V,TPSMB18A,0251003.MXL,LC HEV,0451008.,0451008.MRL,L70QS035.V,0440003.,L70QS700.V,0437.750,0440002.WR,0437.750WRA,440,SP4021-01FTG-C,SP4021,TPSMB13CA,0505020.MX52LEP,L70QS400.,L50QS400.,L70QS500.V,TPSMB16A,TPSMB20A,0505030.,0451003.,L70QS150.V,0440003.WR,0440002.,SM24CANA-02,451,453,L70QS350.V,0440.750,L70QS350.,0504025.,TPSMB20CA,TPSMB62CA,L70QS700.,L70QS035.,0504030.MXEP,L70QS500.,0451003.MR,SD-C,TPSMA6L5.0A,0437003.,0505010.MXEP,0505015.,0HEV030.SXBD,TPSMB,0451002.,0440008.WR,L50QS400.V,0453001.,0440001.,SPHV12-01ETG-C,L70QS300.V,SP3030-01ETG,L50QS200.V,SPHV12-01C,0437.500WR,504,SD05C-01,0451004.MRL,505,L70QS200.,SM24CANA-02HTG

2016年05月18日  - LITTELFUSE  - 应用及方案 代理服务 技术支持 批量订货

Littelfuse(力特)Surface Mount Fuses NANO2® > Very Fast-Acting Fuse > 451/453 Series 451/453 Series Fuse 数据手册

描述- 该资料介绍了NANO2®系列快速响应表面贴装保险丝(451/453系列),适用于电路过流保护。这些保险丝具有非常小的尺寸,采用无铅焊接技术,符合RoHS标准。资料提供了详细的电气规格、工作温度范围、应用领域和产品特性。

型号- 045101.5MRSN,045101.6MRL,0451.500MRSN,0451005.NRL,0451.100MRL,0451010.NRSN,0451002.MRL,0451003.MRSN,0453001.NRSN,0453015.NRSN,0451.160MRSN,0451010.MRL,0453020.NRSN,04533.15MRSN,0453.500NRSN,0453.062MRSN,0451.250NRSN,0451.250MRL,0453003.NRSN,04511.25NRSN,0451020.MRSN,0453.100MRSN,045301.5NRSN,045101.6NRSN,0451001.MRSN,045101.6NRL,0451005.NRSN,0451005.MRL,0451007.MRSN,0451.100NRL,045102.5NRL,045303.5MRSN,0451002.NRL,0451.400MRSN,0451.125MRSN,0453008.MRSN,045101.5MRL,0451.800NRL,0451012.NRSN,04511.25MRSN,0451.080NRL,0451.250NRL,0451010.MRSN,04513.15NRL,0453010.NRSN,0451.160NRSN,045302.5MRSN,0451.062MRL,0453.400NRSN,0451.630NRSN,0453.125NRSN,0451.250MRSN,0451.750NRL,0453003.MRSN,0453008.NRSN,045102.5MRL,0451.160NRL,0451.500NRL,0453007.NRSN,0451.800NRSN,045101.6MRSN,0451020.NRL,0451008.MRL,0451.100MRSN,04513.15MRL,0451003.NRSN,0451.375NRL,0453.800MRSN,045103.5MRL,0451004.NRL,0453004.MRSN,0451015.MRSN,0451.062NRL,045302.5NRSN,0451015.MRL,0451.160MRL,0451.500MRL,0453012.NRSN,0451010.NRL,0451008.NRL,0451.630MRSN,0451004.NRSN,0451005.MRSN,0451.375MRL,045303.5NRSN,0453.062NRSN,045103.5NRL,0451004.MRL,0451.062NRSN,0453002.NRSN,0453.250MRSN,0451008.NRSN,04513.15NRSN,0451004.MRSN,0451.100NRSN,0451.200MRSN,0451.375MRSN,0453.080MRSN,0453.315MRSN,0451015.NRL,045301.6MRSN,0453.800NRSN,0453.630NRSN,0451.630MRL,0451.315MRL,0451.200MRL,0451003.NRL,0453.750NRSN,0453.125MRSN,0453.400MRSN,0451007.MRL,04511.25NRL,0451012.MRL,0453.200NRSN,0453012.MRSN,0453007.MRSN,045106.3NRL,0451.800MRSN,0451.125MRL,0451.400MRL,0453.750MRSN,045102.5NRSN,045301.6NRSN,0451.750MRL,0451.630NRL,045306.3NRSN,0451.200NRL,0453004.NRSN,0451.315NRL,045106.3MRSN,0451015.NRSN,0453005.MRSN,0453002.MRSN,0451003.MRL,04513.15MRSN,0453.080NRSN,0451020.MRL,0451007.NRL,0453.315NRSN,0453.375NRSN,0453.630MRSN,045103.5NRSN,045106.3MRL,04533.15NRSN,0453.500MRSN,0451012.MRSN,0451.125NRL,0451.400NRL,0451001.MRL,0451002.NRSN,0451.080MRSN,0453.160MRSN,04531.25NRSN,0453.375MRSN,0453.100NRSN,0451.315MRSN,045101.5NRL,045301.5MRSN,0453.200MRSN,0451.500NRSN,0451.800MRL,0451.080MRL,045101.5NRSN,0451.200NRSN,0451.750MRSN,0453001.MRSN,0453020.MRSN,0453015.MRSN,0453005.NRSN,045106.3NRSN,0451001.NRL,451,453,0451.750NRSN,0453010.MRSN,045103.5MRSN,0453.250NRSN,0451001.NRSN,0451.062MRSN,0451008.MRSN,045102.5MRSN,0451020.NRSN,0451.375NRSN,0451007.NRSN,0453.160NRSN,0451002.MRSN,04531.25MRSN,0451.080NRSN,045306.3MRSN,0451.315NRSN,0451.400NRSN,0451012.NRL,04511.25MRL,0451.125NRSN

2017/07/30  - LITTELFUSE  - 数据手册  - Revised: 06/15/17 代理服务 技术支持 批量订货
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弹簧针(pogo pin)连接器定制

可定制连接器的间距范围1.25mm~4.5mm、单列/双列列数、焊尾/表面贴装/浮动式等安装方式、镀层、针数等参数,插拔寿命达100万次以上。

最小起订量: 1 提交需求>

五金件定制加工/CNC精密加工

制造铜、铝、铁、不锈钢、合成树脂及各种材质的长短轴类零件,加工五金件尺寸范围:外径:2~100mm ,长度2~100mm ;精度:±0.005um;表面光洁度:可达0.02Ra。拥有50台全进口的五轴设备,通过50项专利认证。

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