【产品】符合AEC-Q200标准的低电阻金属电阻器,具有0.005Ω的超低电阻值

2018-06-30 TT Electronics
低电阻金属电阻器,LRMA,TT Electronics 低电阻金属电阻器,LRMA,TT Electronics 低电阻金属电阻器,LRMA,TT Electronics 低电阻金属电阻器,LRMA,TT Electronics

TT Electronics集团推出了一系列低电阻金属电阻器——LRMA系列,具有仅为0.005Ω的超低电阻值,具有低热电动势版本和高功率版本,可以在170°C高温下保持工作,还适用于电力电子电流感测应用。LRMA系列低电阻金属电阻器还符合RoHS标准与AEC-Q200标准,可应用在开关电源、线性电源、电力电子电流感测、汽车电流检测电路和电子仪器等领域中。


TT Electronics推出的LRMA系列低电阻金属电阻器采用了涂层(UL94-V0)、镍镀锡屏障铜电极以及低TCR电阻合金板,适用于波峰和红外回流焊接,这种结构特征确保了器件的寿命稳定性以及良好的耐高温能力与耐溶剂性。

图1. LRMA系列低电阻金属电阻器的模型图

图2. LRMA系列低电阻金属电阻器的结构图

 

TT Electronics LRMA系列低电阻金属电阻器具有四个版本和七种封装尺寸搭配,分别是标准T版、高功率P版、低热电动势M版、逆N版和0612、0805、0815、1206、1225、2010、2512 。它们的额定功率(70℃)在0.5W~3W之间,过载额定值(5s)最高达额定功率的五倍 ,且额定功率从70℃开始降额,于170℃降至零点。LRMA系列低电阻金属电阻器容差为±1%和±5%,工作温度范围为-55℃~170℃,其他电气数据具体参考图3:


图3. LRMA系列低电阻金属电阻器的电气数据

 

图4. LRMA系列低电阻金属电阻器的功率降额曲线&温度上升曲线

 

LRMA系列低电阻金属电阻器关于负载寿命、短时间超载、防潮性、温度循环、耐焊热、可焊性、干热、低温储存、基板弯曲以及绝缘电阻的性能测试数据参考图5:

 

图5. LRMA系列低电阻金属电阻器的性能数据

 

LRMA系列低电阻金属电阻器的特性与优势:

• 超低电阻值仅为0.005Ω

• 最高功率高至3w

• 最低容差为±1%

• 符合ROHS标准

• 符合AEC-Q200标准

• 最高工作温度为170°C

• 具有低热电动势版本和高功率版本

• 寿命稳定性高

 

LRMA系列低电阻金属电阻器的市场及应用:

• 开关电源

• 线性电源

• 汽车电流检测电路

• 电子仪器

• 电力电子电流感测

 

LRMA系列低电阻金属电阻器的存储与焊装建议:

• 5°C至35°C和40%至75%RH(相对湿度)

• 保质期:生产2年

• 适无铅SAC305合金(Sn 96.5%,Ag 3%,Cu 0.5%)焊接的推荐回流曲线如下:

        预热:在150°C至180°C时60s至120s

        焊接:≥230°C时20s至40s

        峰值:250°C至255°C时5秒

图6. LRMA系列低电阻金属电阻器的物理数据&包装数据


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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概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
集成电路,电子元件,电子材料,电气自动化,电机,仪器全品类供应:世强硬创平台www.sekorm.com
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本文由Topaz翻译自TT Electronics,版权归世强硬创平台所有,非经授权,任何媒体、网站或个人不得转载,授权转载时须注明“来源:世强硬创平台”。

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全部评论(14

  • 燕子飞 Lv5. 技术专家 2019-11-20
    学习
  • pnl Lv7. 资深专家 2019-09-05
    学习了
  • 用户14344505 Lv7. 资深专家 2019-09-04
    学习
  • Yuki Lv8. 研究员 2019-09-03
    学习
  • Timm Lv9. 科学家 2019-08-30
    学习了解下
  • Jerrfy Lv9. 科学家 2019-08-22
    低阻值可以带动电流检测 的高精度
  • 康波周期 Lv7. 资深专家 2019-08-22
    世强是TT官方授权一级分销商,代理TT旗下电阻,以及BI和Optek的传感器
  • 沧桑岁月 Lv8. 研究员 2019-08-22
    学习
  • zdr69909057 Lv8. 研究员 2019-08-22
    了解下
  • FENT Lv8. 研究员 2019-08-21
    学习
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目录- Company profile    Circuit Protection Technologies    Overcurrent/Overvoltage Protection device    ESD Suppression Solutions    Overcurrent Protection/Overvoltage Protection Applications    Common Circuit Threatsand Protection Solutions    Fuses    Fuse Holders    PPTC Devices    Varistors    Gas Discharge Tubes    ESD Suppressors    TVS Diode Arrays    Protection Ics    TVS Diodes    PLED Bypass Protectors    SIDACtor® Protection Thyristors    Circuit Breakers   

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品类
Size
Value(mΩ、Ω)
Tolerance(%)
HR0603F-100MJI
High Value Surface Mounted Resistors
0603
100MΩ
±5%

选型表  -  TT Electronics 立即选型

【方案】PCR仪精准高效温控系统优选元器件方案

描述- PCR仪一般温度循环为25-90-50-72℃、循环25次以上,早期的PCR仪采用水浴、风扇或压缩机制冷,控温精度较低且调温时间长,导致其无法满足市场上对PCR仪精准、高效的要求。本方案采用II-VI MARLOW公司的高可靠性半导体制冷片、Laird公司的高导热率导热垫片等相关器件,利用半导体制冷片快速温度响应的特点,不仅实现了PCR仪精准、高效的温度控制,而且具有小体积、高可靠性的特点。

型号- AAP6011A,LCC12-10,SGM8270,USW2299,TCG043WQLBAANN-GN50,6806,EFM8SB10FXXX,T FLEX HD700,LRMA,RX-8130CE,SGM2036,MGV,P31LA4EL,EFM8BB3

II-VI MARLOW,EPSON,SHINDENGEN,LITTELFUSE,KYOCERA,LAIRD,SILICON LABS,SGMICRO,TT ELECTRONICS  - 优选器件方案  - V1.0

LRMAH2512 Low Resistance Metal Alloy High Power Resistors

型号- LRMAH2512B-L50FT5,LRMAH2512Z-0L0□T5,LRMAH2512,LRMAH2512Z-0L0T5

12.23  - TT ELECTRONICS  - 数据手册 代理服务 技术支持 批量订货

CERTIFICATE OF COMPLIANCE- EU RoHS Declaration LRMA/LRMAP3920

型号- LRMAP2512,LRMAP3920,LRMA/LRMAP3920,LRMAT2010,LRMAN0612,LRMAN1225,LRMAM2512,LRMAM1206,LRMAN0815,LRMAT2512,LRMAM0805

6th May 2017  - TT ELECTRONICS  - 测试报告 代理服务 技术支持 批量订货

【选型】TT Electronics(TT) 汽车级电阻选型指南

目录- AEC-Q200 认证的电阻   

型号- LRMAP2512,LRMAP3920,PCF0402,WSMHP25,PCF0603,LR,OARS1,WSMHP20,WCR1210…A,CHP,LHVC,WCR2512¡�A,PCF1210,WCR…A,WPRT40,LRZ,CHP2,CHP1,CHP1/2,ULR,LR(F)2512,CHP1/8,PCF1206,LRZ2010,LHVC2010,LR1206,LR2010,PCF-H,WCR0402…A,LRZ1206,PCF1210H,PCF2010,WCR0805…A,LRMAM1206,BCN,WHPC,PCF,PCF1206H,WCR1210¡�A,WPRT50,BCN164AB,OARS,LRMA,WPRT10,WPRT15,WCR0603…A,OARSXP,WCR2512…A,WCR0805¡�A,WSMHP,WCR2010¡�A,LRMAT2512,ULR25,HVC2512,ULR2,LRF3W,PCF2010H,ULR1,LR(F)2010,PCF0805H,LR(F)1206,WPRT20,PCF0603H,LRMAN0815,ULR3,WCR1206…A,LR2512,SC3,WSMHP35,LRZ2512,PCF2512,WHPC2010,WPRT,HVC,OARS3,PCF0805,WCR1206¡�A,WCR0603¡�A,WHPC1206,WCR0402¡�A,WPRT30,WCR2010…A

2017年12月26日  - TT ELECTRONICS  - 选型指南 代理服务 技术支持 批量订货

TT Electronics to Showcase Extensive Lineup of Smart Sensors, Passive Components, and Power Management Solutions at APEC 2024

TT Electronics will be exhibiting at APEC, the leading conference for practicing power electronics professionals, in Long Beach, Calif., February 26-28. TT will showcase its extensive portfolio of passive components and power electronics at Booth 719. Among the products to be displayed, TT’s resistor products provide EV battery management and charging capabilities, reflecting the company’s stated strategic focus on sustainability and technology solutions that enable a cleaner, smarter and healthier future.

2024-02-22 -  原厂动态 代理服务 技术支持 批量订货

CURRENT SENSE RESISTORS - Application Note

型号- OAR,4LPW,WMHP20,OAR-5,2504,LRF3W,OAR5,LR(F),PLO,OARS-XP,CSL-5,OAR1,LRCS,OAR3,ULR,EBW,OAR-1,CSL,OAR-3,LOB,LR2512,WSMHP35,PWRL,LR1206,LR2010,W31,LRMA,OARS-1

2017/01/17  - TT ELECTRONICS  - 应用笔记或设计指南 代理服务 技术支持 批量订货

【方案】4KW便携式高频逆变电焊机优选元器件方案

描述- 本方案采用Littlefuse SIC功率器件、Silicon labs电容隔离驱动、Renesas高压MOSFET和Shindengen片状整流桥等器件组成的高频逆变电路,可将机器工作频率提升到100KHz以上,效率提高到80%左右,同时机器体积可缩小近15%左右。解决了产品效率低、体积大、操作时电焊机移动不方便等问题。

型号- 2SK2225-80-E,LRMAP3920,D50XB80,TFLEX HD300,TPCM780,SMDTF03100QA00MQ00,R5F562TAADFP,LRMAP5930,1.5KE150CA,EKMW401VSN821MA40S,SI8273,SI827X,SGM6130,LSIC1M0120E0080,SI8620,D50JCB80,LSIC2SD120E20CC,250R145,2SK2225,LSIC1MO120E0080

NIPPON CHEMI-CON,RENESAS,SHINDENGEN,LITTELFUSE,LAIRD,SILICON LABS,SGMICRO,WIMA,TT ELECTRONICS  - 优选器件方案  - V1.1

TT Electronics Launches LRMAH2512 High-Power Shunt Resistors, Offering Values Down to 200µΩ at 1% Tolerance

TT Electronics has unveiled its latest innovation – the LRMAH2512 surface-mount technology (SMT) shunt resistors. This compact resistor boasts a robust 6W rating, making it the perfect solution for precision current measurements in motor control, power supply, and battery management applications.

2024-02-20 -  产品 代理服务 技术支持 批量订货
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网络分析仪/频谱仪/信号分析仪/无线综测仪/信号发生器维修

朗能泛亚提供是德(Keysight),罗德(R&S)等品牌的测试测量仪器维修服务,包括网络分析仪、无线通讯综测仪、信号发生器、频谱分析仪、信号分析仪、电源等仪器维修,支持一台仪器即可维修。

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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。

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